How long does it take astronauts to reach the moon?

Following the successful launch of the Artemis I mission in late 2022, NASA has been preparing for the upcoming Artemis II, III, and IV missions. While the first mission was unmanned, the second mission aimed to orbit the moon with a crew, and the third and fourth missions are planned to land humans on the moon’s surface after a 50-year break. However, the question remains: how much time does it take for astronauts to reach our planet’s satellite?

What is the distance to the Moon?

The Moon’s distance from Earth is not constant. Our natural satellite comes closer to and moves away from the planet in a regular cycle. At its nearest point (perigee), the Moon is 363,104 km away from Earth, while at its farthest point (apogee), it is 405,696 km away. Based on these calculations, the average distance between the Earth and the Moon is approximately 384,400 km.

NASA Orion spacecraft

When planning missions, scientists have to take into account various factors, one of which is the elliptical nature of the Moon’s orbit in relation to Earth.

How much time does it take to reach the Moon?

Providing an exact answer to the question of how long it takes to reach the Moon is challenging. On average, however, the journey lasts slightly more than three days. Numerous factors need to be considered, such as the fluctuating distance between the Moon and us, the trajectory of the launch, whether the spacecraft is manned or unmanned, the type of propulsion system used, and whether the objective is to land, enter orbit, or perform a flyby.

One of the fastest missions during NASA’s Apollo program was Apollo 8, which completed its journey to near-lunar orbit in 69 hours and 8 minutes. On the other hand, the final lunar landing mission, Apollo 17, took 86 hours and 14 minutes to reach the moon.

Orion spacecraft

The Artemis I unmanned vehicle arrived in the moon’s orbit after a five-day journey in 2022. The duration of trips to Earth’s satellite has increased over time due to a shift away from a direct flight path in order to conserve fuel.

What was the duration of the journey to the moon in 1969?

In 1969, it took astronauts Neil Armstrong, Buzz Aldrin, and Michael Collins 75 hours and 49 minutes to reach and land on the moon during the Apollo 11 mission. This equates to slightly over three days. It is important to note that this duration refers specifically to the time it took to land on the moon, not the time spent in its orbit.

When considering the overall average duration of a complete Apollo mission, which includes reaching the moon’s orbit, landing on the moon, and returning to Earth, it typically takes around 8 days. The table below provides a comprehensive list of Apollo missions to the moon along with their respective durations:

  • Apollo 8: 69 hours 8 minutes (1968)
  • Apollo 10: 75 hours 55 minutes (1969)
  • Apollo 11: 75 hours 49 minutes (1969)
  • Apollo 12: 83 hours 25 minutes (1969)
  • Apollo 13: 76 hours (1970)
  • Apollo 15: 78 hours 31 minutes (1971)
  • Apollo 16: 74 hours 28 minutes (1972)
  • Apollo 17: 86 hours 14 minutes (1972)

What is the duration of a probe’s journey to the Moon?

It is fascinating to note that an interplanetary probe can complete the journey to the Moon in approximately 8.5 hours. For instance, the New Horizons probe took 8 hours and 35 minutes to reach the Moon. However, it is important to mention that its objective was not our natural satellite but rather to navigate its path and eventually reach Pluto nine years later, in 2015.

Illustration of the New Horizons spacecraft

However, it may take significantly longer for other spacecraft to reach the Moon. The duration of the journey depends on a variety of factors, with one of the main factors being the type of fuel used. For instance, the European Space Agency’s Smart-1 probe took approximately one year and six weeks to reach the Moon in 2003. The reason for this relatively slow speed was the utilization of an electro-ion engine, which consumed only 82 kilograms of xenon fuel.

Previously, we provided information about the fascinating sights on the Moon.

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Ever since I was a child, I have been captivated by the wonders of outer space. What began as a mere hobby eventually evolved into a full-fledged profession. Over the years, I have had the privilege of curating scientific content for renowned websites such as Bigmir)net, Segodnya.ua, and Podrobnosti.ua. Currently, I am proudly associated with The Universe. Space. Tech, where I have the opportunity to collaborate with fellow enthusiasts and engage with an audience eager to expand their knowledge about the mysteries of the Universe. The ability to convey complex information in a manner that is accessible to all is something that brings me immense joy in the realm of popular science.

Matthias Hangst / Getty Images

The launch of the new Luna-25 automatic interplanetary station is scheduled for Friday, August 11th at the Vostochny Cosmodrome. This landmark event marks Russia’s first foray into exploring Earth’s natural satellite in modern history.

RBC Life recently interviewed experts to uncover the unique aspects of this launch, the lack of interest in lunar exploration for a significant period of time, and why individuals would prefer to visit the Moon on business trips rather than establish permanent residence there.

Unique Characteristics of the Project

Pavel Gaiduk, the deputy head of the Department of Scientific Popularization at the Museum of Cosmonautics in Moscow, has highlighted the unprecedented nature of this project. It marks the first-ever landing at the southern pole of the Moon.

"Roscosmos showcases stunning Earth photos. Take a moment to appreciate our magnificent planet

The spacecraft will spend approximately ten days in transit. Once it is inserted into Earth’s orbit, “Luna-25” will be maneuvered onto a trajectory that will take it to the Moon. This phase of the journey will last between 4.5 and 5.5 days. Initially, the spacecraft will enter a circumpolar orbit before transitioning to a pre-lunar orbit of 18×100 km. Finally, it will perform a gentle landing. The entire process will span 10-12 days.

Space Museum press service

"That’s just how orbital mechanics work. We have to seize the opportunity for the spacecraft to land precisely at the designated location," clarified Pavel Gaiduk.

Why the Moon mission is happening now

"Back in 1976, the Soviet Union sent its last mission to the Moon – ‘Luna-24’. It retrieved the third batch of lunar soil for examination by Soviet scientists. After that, both the United States and we paused our lunar exploration efforts for a while. At that stage of scientific knowledge, researchers simply didn’t find anything particularly intriguing in the lunar soil," explains Igor Marinin, an Academician of the K.E. Tsiolkovsky Russian Academy of Cosmonautics, a member of the Public Council of the Roscosmos State Corporation, and the Scientific Editor of Roscosmos Media.

Rich Polk / Getty Images

Observe the stunning view of the Altai Mountains at sunset, as seen from space

A decade ago, a groundbreaking invention created at the Russian Academy of Sciences’ Space Research Institute, and subsequently installed on the American lunar station, officially confirmed the existence of substantial amounts of water ice. Subsequent discoveries have revealed traces of water in various other regions, with the possibility of particularly abundant reserves near the lunar poles. This remarkable finding implies that it is unnecessary to transport water from Earth to sustain astronauts and meet technical requirements at lunar bases.

Astronautical Museum Press Service

Igor Marinin suggested that it is also possible to separate water into its components of hydrogen and oxygen. “This implies that there is no need to bring along oxygen for astronauts to breathe. Furthermore, hydrogen can be utilized as fuel for rocket engines or for producing electricity in generators,” clarified the academician.

What is the cost of a space flight and the cuisine offered. Important information for tourists

Moreover, the expenses for a trip to the Moon have significantly reduced, and establishing a lunar base is now more feasible compared to the earlier decades of the 1960s and 1970s.

Reasons to Travel to the Moon

It has been discovered that the production of helium-3 makes flying to the Moon not cost-effective. Lunar dust contains a significant amount of iron, but so does Earth. However, Earth lacks abundant reserves of rare earth metals and platinum group metals, which are crucial elements for the electronics industry. According to Igor Marinin, the study of our planet’s natural satellite remains intriguing due to these reasons.

Astronautical Museum Press Service

Business trips, not long-term residency

Igor Marinin believes that humans will never permanently live on the Moon, and he argues that we do not need to.

“It is important to establish a lunar base for the purpose of supporting and maintaining robots that will operate there and extract rare-earth metals. There will be expeditions to the Moon, similar to those to Antarctica and the International Space Station,” the scientist states.

Living permanently on the Moon presents numerous challenges, with one of the most significant being the issue of lunar dust. According to Igor Marinin, this dust can be likened to shards of glass that have the ability to cut through skin upon contact. Its penetrating power and sharp edges make it capable of permeating clothing, even tight-fitting spacesuits, and rubber seals on various devices. Moreover, it poses a threat to respiratory health.

Koichi Kamoshida / Getty Images

A drop on a gray background. Witness the extraordinary images of Earth captured from Mars

Furthermore, the Moon is exposed to intense cosmic radiation. According to Igor Marinin, there is no feasible way to shield against it from Earth. Therefore, the lunar bases will be constructed underground. “Living in caves for an extended period of time is not an appealing prospect,” the expert emphasized.

If you are interested in learning more about the Moon and its exploration history, make sure to visit the Museum of Cosmonautics. They have prepared a special program for the launch of the “Luna-25” station, featuring a quiz on August 10, live broadcast of the launch on August 11, lectures on August 18 and 23, as well as meetings with scientists, excursions, and movie screenings throughout the month.

An extraordinary event, a supermoon, was recently observed on Earth. To see the awe-inspiring photographs, check out RBC Life’s collection.

Space travel will be possible

As a child, you probably pondered occasionally about the duration needed to reach the moon. Despite being unattainable for numerous years, humanity ultimately succeeded in landing on this celestial body that revolves around our Earth. It was an astonishing achievement! However, what truly boggles the mind is that this expedition is now accessible to the general public, provided they are willing to cover the expenses.

Due to this fact, the issue of the duration required for traveling to the Moon is adopting a fresh and more appealing perspective. It is typical to consider the time it takes to journey to destinations like Japan, New York, or Barcelona, but now we might also be intrigued to ascertain the duration required for reaching the Moon, as it has the potential to transform into a novel tourist destination in the near future. In the following piece, we will provide an answer to that query and additionally explore the distance between this satellite and Earth.

What is the distance from Earth to the Moon in light years?

The time it takes to reach the moon depends on several factors.

Before discussing the duration required to reach the moon, it is initially intriguing to comprehend the distance between this satellite and our planet. In essence, it is worth mentioning that the unit of distance utilized in the cosmos is termed as “light years”. It is noteworthy to highlight that a light-year is not a time measurement, but rather a distance measurement. The term “year” is used due to its association with the distance light travels in one year, yet it does not relate to the duration of an earthly year.

Even though astronomy often uses the unit of light-years, we tend to overestimate the distance between Earth and the Moon. In reality, it is not even close to being a light-year away. The Moon is actually the nearest celestial body to us, with a distance of about 384,400 0.000042 kilometers. If we were to convert this measurement into light-years, we would simply divide it by the distance that light travels in one year, resulting in approximately XNUMX light-years.

What is the duration of a journey to the moon?

Flights to the moon have taken 3 to 4 days.

It usually takes around 3 to 4 days to travel to the moon.

Although journeying to the moon continues to pose significant challenges, we are making progress towards making it a more common occurrence. Billionaire Elon Musk’s company SpaceX is already selling tickets to orbit the moon within a week (although not for landing on it). While we still have to wait a few more years for these trips to become a reality, it’s never too early to start learning about them. And who knows, perhaps in the future we will even be able to establish a permanent presence on the moon.

Many people wonder how long it takes to reach the moon. As you may have already figured out, the duration mainly relies on the type of spacecraft used and the moon’s location during launch. Previously, NASA’s Apollo missions, which transported astronauts to the moon, took approximately three days to complete. These missions employed Saturn 4 rockets and the Apollo spacecraft to ferry astronauts and necessary equipment. Presently, unmanned vehicles are primarily utilized for lunar space missions. For instance, China’s Chang’e-4 probe required 2018 days to arrive at the moon after its launch in the year XNUMX.

First man on the moon

What is the price of a ticket to the moon?

Elon Musk’s enterprise is not the sole player in the race to dominate this emerging market. Several other companies are also vying to provide space travel experiences for tourists. These competitors include World View, Virgin Galactic, and Blue Origin. However, it is important to note that these adventures do not come cheap. Currently, the cost of a ticket to space can range anywhere from $200,000 to a staggering $55 million. Consequently, only a select few have had the privilege to embark on such a journey or secure a reservation for the upcoming years.

It is evident that this experience is currently exclusive to the extremely affluent. However, with the rapid advancement of technology, it won’t be long before lunar and interstellar tourism becomes commonplace. Nonetheless, it’s still a good idea to set aside some funds to witness the beauty of our planet from a celestial vantage point. It will undoubtedly be an unforgettable adventure!

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Full article path: postpost “Curiosity” How long does it take to travel to the moon?

Back when space exploration was still in its infancy, people were curious about the duration of a journey from Earth to the Moon. The first robotic spacecraft reached our satellite in 1959, and in 1969, a human set foot on its surface.

The average distance from Earth to the moon and a visual example for comparison

Throughout history, researchers have been on a quest to determine the exact distance between Earth and the Moon. It wasn’t until the invention of the telescope that accurate measurements could be obtained. The credit for this breakthrough goes to inspaceforum.ru/infourok.ru.

Distance between the Earth and the Moon

The Moon, which is a satellite of the Earth, revolves around our planet in an orbit that resembles a flattened ellipse. The distance between the Moon and Earth varies depending on its location.

This distance can range from 356 thousand to 404 thousand kilometers. The point at which the Moon is closest to the Earth is called perigee, while the farthest point is known as apogee. On average, the distance between the Moon and Earth is about 385 thousand kilometers.

To get an idea of this distance, consider that a car traveling at a speed of 100 km/h would take approximately 160 days to reach the Moon. Alternatively, it would take approximately 6.5 to 7.5 years to walk the same distance without stopping.

Finding a solution for reaching the Moon is not a complex task. The sole means of transportation is through a spacecraft. However, it has been over four decades since any manned missions have been conducted.

Trajectory of the Moon around the Earth

The Moon’s orbit is not fixed, as it experiences constant disturbances from larger celestial bodies in the Solar System. Credit: spacegid.com.

What types of vehicles are utilized for lunar missions?

Throughout the course of space exploration, the Moon has been visited numerous times. The initial spacecraft to reach the moon was the Soviet interplanetary station Luna-1. It traveled a distance of 6 thousand kilometers from the moon’s surface.

Successful missions were accomplished by a series of these vehicles:

  • “Pioneer”;
  • “Luna”;
  • “Apollo”;
  • “Ranger”;
  • “Probe”;
  • “Surveyor”;
  • “Explorer”;
  • “Clementine”;
  • Hiten;
  • Lunar Prospector;
  • “Smart”;
  • “Kaguya”;
  • “Chang’e”.

There have been a total of 33 launches of the automated interplanetary stations known as “Luna”, but only 16 of them were successful. As part of the Apollo mission, a total of fifteen spacecraft carrying astronauts were launched.

The EKA SMART-1 ion-powered flight is widely regarded as the most technologically advanced. It was launched in September 2003 and arrived at its destination 410 days later. Remarkably, during this time, only 82 kg of fuel was consumed.

Artistic representation of the SMART-1 mission

The primary objective of the SMART missions is to evaluate and test innovative technologies that can be utilized in larger-scale projects. Credit: commons.m.wikimedia.org.

Minimum Velocity Required

In order for a celestial object to overcome the gravitational pull of Earth and escape its orbit, it must attain a velocity greater than the second cosmic speed, which is 11.2 km / s. If the object is launched at this speed or higher, it will not be pulled back.

Once the apparatus achieves its second parabolic (cosmic) velocity, the engines are deactivated, allowing it to continue flying in the vacuum of space through inertia. However, as it approaches the Moon, the force of gravity causes its speed to increase. At this point, it becomes crucial to initiate the braking process in order to prevent the space object from crashing onto the lunar surface.

The Soviet Luna-1 spacecraft successfully achieved the second parabolic velocity for the first time in history. This speed record is attributed to the Pluto satellite. During its launch, it was accelerated to a speed of 58,000 km/h to overcome the gravitational pull of Earth. This acceleration significantly reduced the duration of the Moon-bound journey.

Photo of the Luna-1 interplanetary station launched by the USSR 60 years ago

The Luna-1 spacecraft, which was launched by the USSR 60 years ago, provided valuable information about the outer radiation belt surrounding our planet and made a significant discovery regarding the Moon’s magnetic field. It found that the Moon does not possess a strong magnetic field. This finding was credited to mirkosmosa.ru.

Technical specifications

The technical characteristics of spacecraft can vary. Automatic unmanned stations are equipped with solar panels to serve as their source of power.

The instrument compartment is designed to maintain a temperature that allows all devices to function properly. The vehicles are outfitted with an onboard astroinertial navigation system, an astrocorrector for gathering and processing astronomical data, and gyrodynes for adjusting engine operation.

The American Apollo vehicles differed from unmanned spacecraft as they were used to transport astronauts into space. The Apollo spacecraft consisted of a command module, a service module, a lunar module, and attachment adapters.

The Saturn-5 launch vehicle, which was designed to land humans on the lunar surface, was a part of the Apollo 11 mission and comprised of three stages, each containing propellant and liquid oxygen as its oxidizer.

After covering a distance of 185 km, the rocket was separated from its second stage. The entire process took 6 minutes, during which the vehicle accelerated to a speed of 6.84 km/s. The spacecraft was then launched into Earth’s orbit and put on a trajectory towards the Moon using a two-stage launch of the third stage.

Photo from the famous Apollo-11 lunar landing mission

Photo from the iconic Apollo-11 lunar landing mission

On July 16, 1969, the Apollo 11 mission took off from Kennedy Space Center propelled by the powerful Saturn 5 rocket. After a journey of three days, the spacecraft successfully arrived at the Moon. Credit: Getty-Contributor/NASA.

How long does an average flight take?

The initial Luna-1 lander accomplished the feat of reaching the space object in just 36 hours. Although it did not land on the lunar surface, it came within 6,000 kilometers of it.

The Chinese satellite Chang’e-1, powered by standard rocket engines, took 5 days to reach the Moon. However, it spent a week in Earth orbit beforehand to ensure the correct sending coordinates.

The Apollo 11 mission’s Saturn 5 rocket, carrying astronauts, managed to reach the Moon’s surface in a mere 3 days. The spacecraft’s lunar module successfully landed in the Sea of Tranquility. This was followed by several Apollo missions that involved landing, conducting research, and collecting lunar rocks for analysis.

The quickest flight to the Moon was accomplished by the Pluto lander, which made the journey in just 8 hours and 35 minutes. It was launched as part of NASA’s New Horizons project.

The Apollo spacecrafts were able to reach the orbit or land on the surface of the Moon within a span of 3-4 days. By accelerating the vehicle to the second parabolic velocity and navigating through the airless expanse of space, it only took approximately 10 hours to travel from Earth to the Moon.

Launch of Luna-25: Russia’s First Lunar Mission from Vostochny Cosmodrome

The competition between the Soviet Union and the United States in the race to the moon was widely covered in the media during the 1960s and 1970s. However, in the 1980s, interest in the subject waned in both countries, resulting in a halt in lunar landings. Currently, China is the only country actively involved in lunar exploration. The launch of “Luna-25” will enable Russian experts to regain their skills in constructing lunar landing probes, while also providing scientists with the opportunity to conduct research in the water-rich South Polar region.

Successor to the Soviet apparatuses

The upcoming mission, called “Luna-25,” will mark the Russian Federation’s first venture to the Moon. However, the inclusion of a number in the name clearly signifies its connection to the Soviet program. It’s important to note that the last Soviet lunar mission, Luna-24, was launched back in 1976 during the era of the Apollo flights and the lunar race. It is worth mentioning that only the successful missions were assigned a number and received public recognition, despite numerous attempts. Additionally, several lunar missions were part of the “Probe” and “Cosmos” series. In total, the Soviet Union successfully landed eight spacecraft on the Moon, while the United States achieved five unmanned and six manned missions.

The Soviet mission to explore the moon was highly successful. From Luna 16 to Luna 24, excluding Luna 18, each spacecraft was tasked with either collecting soil samples or delivering an automated rover. Luna 24, in particular, achieved remarkable success ahead of its time. It brought back soil samples that contained 0.1% water, a finding that was largely overlooked by the scientific community. At that time, the prevailing belief was that the moon was completely dry. Similarly, the Apollo missions also returned water samples, but the Americans attributed it to absorption from Earth’s atmosphere upon arrival. It was not until the 1990s, when data from the satellite “Clementine” emerged, that scientists began to believe in the presence of ice on the moon.

Where is “Luna-25” headed?

The discovery of water on the Earth’s satellite has sparked a renewed interest in the XXI century. The majority of water reserves are concentrated near the poles, and the first Russian lunar probe is set to explore the South Polar Region. Luna-25’s primary landing site is located north of the Boguslavsky crater, while the backup site is southwest of the Manzini crater. Both sites are situated just below the 70th parallel. Previously, the closest probe to the pole was the Chinese Chang’e-4 (45.5°S), and during the lunar race of the XX century, it was the Surveyor-7 (40.86°S). Based on satellite imagery, it appears that both landing areas for Luna-25 are abundant in water ice.

What is the reason to take flight?

The majority of the engineers and scientists who were instrumental in the success of Soviet lunar missions have passed away or are no longer working. The expertise required to coordinate such missions has mostly been lost, which makes the launch of Luna-25 significant in its own right.

“When examining previous research, like the development and utilization of drilling rigs, it is sometimes astonishing to consider how individuals in that era were able to accomplish such feats. They had to start from scratch, possessed limited knowledge of the Moon, and did not have access to advanced computer modeling techniques. Consequently, they had to rely solely on a substantial number of field tests to solve the problems at hand,”

said Maxim Litvak, a professor at IKI RAS and the primary architect behind the scientific instrumentation complex for the probe.

The primary scientific objective of Luna-25 is to investigate the lunar regolith in search of water and other volatile compounds, while also examining the soil and dust. This mission aims to address fundamental scientific inquiries regarding the Earth’s moon, including its formation, evolutionary processes, and current surface conditions. Moreover, the polar regions of the moon act as a vast natural repository, housing extraterrestrial substances that have accumulated over billions of years. Analyzing the contents of this repository will provide valuable insights into the history of the Sun, the Solar System, and the Universe as a whole.

However, in the 21st century, a fresh lunar competition has commenced, with participants tasked with establishing a sustainable outpost on the Moon. Achieving this goal without utilizing local resources is nearly impossible, as transporting every brick and water bottle from Earth would be prohibitively expensive. Therefore, it is imperative to determine the exact location of ice within the lunar soil, as well as its form (whether it exists as fine dust, large grains, or large-scale ice flakes) and how it can be extracted. In addition to ice, astronauts on the Moon will require other resources for constructing shelters and tools. Thus, it is crucial to identify other valuable substances that can be extracted from the regolith on a small-scale industrial level. This information will be invaluable to Russia, should it be feasible to conduct a manned landing in the early 2030s and commence base construction, as well as to our international counterparts.

What is the status of the “Luna-25?”

In terms of appearance, the spacecraft bears a resemblance to its previous version, the “Luna-24.” However, the lower portion, specifically the landing module, stands out with its rounded fuel tanks. The upper portion of the two vehicles displays significant differences – the Soviet probe aimed to send a capsule containing lunar soil back to Earth, whereas the Russian one will perform on-site investigations utilizing a compact automated scientific laboratory.

The surface will be monitored by a collection of eight STS-L cameras, which will capture the attention of scientists. There will be four panoramic cameras, each pointing in a different direction, along with two stereoscopic cameras for controlling the manipulator, and two landing cameras directed downwards. To assist in the exploration, researchers will utilize the LMC manipulator as an arm. This manipulator has the capability to dig into the lunar soil in order to analyze its mechanical properties, and then securely store the samples within research instruments. Attached to the manipulator’s “elbow” is an infrared spectrometer known as the LIS-TV-RPM, which can remotely analyze the soil’s composition during the excavation process.

ADRON-LR, a detector for neutrons and gamma rays, plays a crucial role in the quest for water. It is positioned at the spacecraft’s base and has the ability to detect ice (or hydrogen) up to a depth of 60 centimeters without direct contact. The ARIES-L ion energy-mass analyzer is designed for examining the characteristics of the lunar exosphere (a sparse “atmosphere”), while the PmL detector is utilized for studying the dispersed dust.