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In Table 1, you can find the concentration of dry gases along with water vapor, aerosols, radioactive substances, and ions, which are essential components of the lower layers of the atmosphere. These layers play a crucial role in sustaining human life. Table 1. Breakdown of dry air near the Earth’s surface, % The composition of…
Sunspots are dark regions on the surface of the Sun that have a lower temperature compared to the surrounding areas of the photosphere, with a difference of about 1500 K. These spots can be observed on the Sun’s disk using optical instruments, and sometimes even with the naked eye, especially when they are large. They…
The concept of an astronomical unit allows individuals to easily understand the distances between various celestial bodies within our solar system. Overview An astronomical unit serves as a means for individuals to comprehend the vast distances between celestial objects and our home planet. Resources on the subject The reason behind this is quite simple. As…
For over a century, the Tunguska meteorite’s fall in Siberia has remained one of the most enigmatic occurrences. This incident continues to spark a great deal of debate, with numerous theories surrounding the phenomenon. Some hypotheses border on the fantastical. The event remains shrouded in mystery and puzzles that have yet to be solved by…
VI. Structure and Evolution of the Universe § 25. Our Galaxy Additional materials for the lesson 1. The Milky Way and the Galaxy Our Galaxy consists of practically all objects visible in the sky with the naked eye from the middle latitudes of the Northern Hemisphere of the Earth, mainly stars. The only exception is…
Jupiter astounds us with its immense size, as it is the largest celestial body in the solar system. Positioned in the fifth orbital position, it is the fifth planet farthest from the Sun and is classified as a gas giant. Typically, we do not consider this type of celestial object for potential colonization due to…
When exploring for potentially habitable planets outside of our own solar system, it is the diminutive and frigid stars that hold the most potential. Known as M-class red dwarfs, these stars are significantly smaller and cooler than our Sun, yet they outnumber Sun-like stars by more than 10 times. Exoplanet GJ 1214b, situated in a…
We find ourselves in a youthful Universe that is abundant with youthful stars. Each of these stars will undergo various phases of stellar evolution, either by fusing hydrogen in their cores and undergoing an explosion or gradually losing heat. As the world ages by a thousandfold, the once brilliant stars will be succeeded by enigmatic…
The constellation Orion contains a notable asterism known as Orion’s Belt. An asterism refers to a distinctive group of stars with a recognized name. Orion’s Belt consists of three blue-white stars that encircle the figure of the hunter, symbolizing the constellation. These stars are historically named Alnitak, Alnilam, and Mintaka. The translation of the constellation’s…
The cosmos The universe is beyond human comprehension. Some scientists describe it as the entirety of the material world that surrounds us. The true magnitude of the universe is simply too vast for our minds to grasp. Whether the universe is finite or not remains unknown, but what is scientifically established is its constant expansion….
The Kuiper Belt and the Oort Cloud – regions in the solar system: their location, description, and characteristics along with images, intriguing information, scientific research, discovery, and celestial bodies. The Kuiper Belt – A vast collection of icy objects situated at the outermost region of our solar system. The Oort Cloud – A spherical structure…
The Milky Way is a spiral galaxy that encompasses our solar system and planet Earth. It is characterized by a prominent band of bright stars extending from its center and traversing the galaxy. Its name, Milky Way, is derived from the Latin term via lacteal, meaning “milky way,” which is itself a translation of the…
Throughout history, humans have associated time with the recurring events that took place around them. These events included the rotation of day and night, as well as the changing of seasons. In present times, this method of measuring time may not always meet our precise needs. However, it is a system that humanity has grown…
Equipment:-Sky-Watcher Dob 14 (350/1600) Retractable SynScan GOTO telescope-Barlow NPZ PAG 3-5x lensblock-atmospheric dispersion corrector ZWO ADC-ZWO IR-cut light filter-astronomical camera ZWO ASI 183MC.Location: Caucasus Mountain Observatory, Moscow State University, Karachay-Cherkess Republic. Here is a section from the initial video: The Jellyfish Nebula captured using three narrow-band filters Comet C/2023 P1 (Nishimura) – A Fresh Discovery…
In Russia, there is a considerable number of believers in the so-called “moon landing hoax” theory, which claims that American astronauts never actually landed on the Moon, and that all the footage captured on the Earth’s satellite is simply a staged production orchestrated by Hollywood forces, with the involvement of renowned director Stanley Kubrick. However,…
The Moon is the biggest celestial body in the night sky. The ancient Greeks were able to estimate the rough size of the Moon. The Moon is the fifth largest natural satellite in our Solar System, coming after the three satellites of Jupiter and one satellite of Saturn in terms of size. The Moon is…
The solar system is a captivating ensemble, comprised of a central star, the Sun, as well as eight orbiting planets, their satellites, numerous celestial bodies, and the interplanetary medium. This extraordinary arrangement took approximately 4.6 billion years to fully evolve. Throughout history, various scientists, including German philosopher Kant, French physicist Laplace, and English astronomer Fred…
The Big Dog constellation is a small yet highly luminous group of stars situated in the southern region of the night sky and partially intersecting with the Milky Way. A diminutive “Big Dog” and a diminutive “Puppy”. One notable characteristic of the Big Dog constellation is that it contains the brightest star, Sirius, which appears…
You have likely witnessed the phenomenon of Estrella Fugaz and have performed the customary act of making a wish. Shooting stars can be observed on a cloudless night, amidst a celestial backdrop, particularly during specific periods throughout the year. However, what exactly is a shooting star? Is it potentially dangerous? And what is its source…
What is the name for celestial bodies that do not emit their own light? What is the term for celestial bodies that do not emit their own light? Which celestial bodies emit light: stars, planets, satellites, or do all celestial bodies emit light? Do stars, planets, and satellites emit light, or do all celestial bodies…