Articles

Newton’s law of universal gravitation provides a method for calculating one of the most important physical properties of a celestial object – its mass. This can be done in several ways: a) By measuring the gravitational force on the surface of the planet (gravimetric method), b) Using Kepler’s third law, c) Analyzing the observed perturbations…

When we gaze up at the heavens, we witness an awe-inspiring sight of billions of stars, the magnificent Milky Way, and countless galaxies. However, what lies beyond our visible range or the extent of telescopic exploration? Providing a precise answer to this question is impossible, but we can form various hypotheses based on our existing…

Within the field of photometry, illuminance refers to the overall amount of light that falls on a particular surface, divided by the surface area. It serves as a measurement of the extent to which incident light brightens a surface, taking into account a wavelength-weighted luminosity function that corresponds to an individual’s perception of brightness. In…

– What is the reason why only Saturn possesses rings? – That’s the common belief, and it’s a fairly typical perspective for those who are not well-versed in astronomy. However, the reality is much more complex. In the 1950s, the Soviet scientist Vsekhsvyatsky proposed the idea that there were meteor clouds surrounding all the giant…

Saturn, the sixth planet from the Sun, is part of the group of gas giants in our solar system, along with Uranus, Jupiter, and Neptune. This planet was named after the god of agriculture. The majority of the planet consists of hydrogen, with small amounts of helium and traces of methane, water, ammonia, and heavier…

When you stare deeply into the abyss, the abyss starts to gaze back at you. Friedrich Nietzsche. From December 18 to December 28, 1995, the Hubble Space Telescope conducted observations on a minuscule speck in the expanse of the sky. It resided within the constellation of Ursa Major, also known as the Big Dipper. And…

Throughout history, individuals have always had an abundance of inquiries when it comes to observing the celestial sphere. What exactly are those twinkling dots in the night sky? Why does the sun rise and set, causing the transition from day to night? Could there possibly be other planets in close proximity, and if so, is…

Every August, the Earth passes through the Perseids meteor stream, resulting in a spectacular display of shooting stars. These meteors can be seen as early as mid to late July, but the peak activity occurs in the second week of August. During this time, it is not uncommon to see over a hundred luminous meteorites…

Constellations Pisces – A large constellation in the zodiac, located between Aquarius and Aries. It is commonly divided into the northern Pisces (under Andromeda) and the western Pisces (between Pegasus and Aquarius). Many individuals are unfamiliar with the appearance of the Pisces constellation in the night sky due to its dim stars. It is relatively…

The Earth, which is approximately 4.54 billion years old, has undergone significant changes throughout its history. In fact, the planet we know today is vastly different from what it used to be. Even when compared to the most extraordinary planets found beyond our solar system, the Earth’s past holds a remarkable level of intrigue. To…

The Solar System It is common knowledge that there are nine planets in the solar system, as we were taught in school. However, this belief changed in 2006 when scientists conducted a detailed study of Pluto and classified it as a dwarf planet due to the presence of various celestial bodies in its vicinity. Presently,…

When we gaze up at the night sky, we are treated to a mesmerizing display of celestial wonders. Throughout history, various cultures, from Mesopotamia to Greece and Babylon, have weaved intricate tales and myths around the stars, giving rise to a multitude of constellations. One such constellation is Hydra, which has captivated the imagination of…

The final countdown: a disaster resembling the Tunguska meteorite blast is imminent The 115th anniversary of the colossal explosion that shook the Podkamennaya Tunguska region in the early 1900s is celebrated on June 30. According to an expert, a similar event could occur in the near future, and humanity is unprepared for it. Andrei Zlobin,…

Key happenings From a different perspective According to Interfax-Russia.ru, the explosion in Makhachkala resulted in over 400 buildings being damaged, with the majority of them being residential houses. Currently, gas stations and service stations in Dagestan are undergoing inspections for safety. Interfax-Russia.ru reports that the gas station explosion in Makhachkala claimed the lives of more…

Do you have knowledge about red giants? A red giant is a star that is in the process of dying. It is currently in the final stage of its stellar evolution. Red giants are typically classified as “main sequence stars”. These stars undergo a transformation where hydrogen is converted into helium gas. Once the star…

The months of July and August offer excellent opportunities to observe the Sagittarius constellation. With its distinct shape and abundance of captivating celestial objects, Sagittarius is a popular target for both amateur stargazers and professional astronomers. Often likened to a teapot, the Sagittarius constellation is known for its unique appearance. Its square-shaped body resembles the…

An impressive image, spanning 400 light-years by 900 light-years, has been created by combining various photographs taken by the Chandra telescope. This image showcases a multitude of celestial bodies, including white dwarfs, neutron stars, and black holes, all surrounded by clouds of intensely heated gas that reaches temperatures in the millions of degrees. At the…

Transmitting Signals Between Mars and Earth In order to establish radio communication, it is necessary to have at least two stations located at a specific distance: a transmitting station and a receiving station. The communication between Mars and Earth, as well as all communication between the two planets, occurs through the use of satellites. On…

Hello there, esteemed readers – enthusiasts and devotees of the fables of myths and folklore. Presently, we yearn to immerse ourselves into the expansive realm of Roman mythology and once more exhibit to you that notwithstanding the complete resemblance, the methodology pertaining to the tales of these two civilizations varied markedly. In the present day,…

The concept of relativity principle, which revolutionized the commonly accepted beliefs about the universe at the beginning of the 20th century, continues to captivate the thoughts and emotions of people to this day. Today, let’s explore together what it entails. In 1905, Albert Einstein introduced the special theory of relativity (STO), which provided an explanation…