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A comprehensive guide to the planet Mercury. What is the composition of its surface? Mercury, which is the smallest planet in our solar system and is located closest to the Sun, is part of the terrestrial planets group. It has a mass that is about 20 times smaller than that of Earth and does not…

In this initial lesson, we will explore the methods for locating neighboring constellations such as the Little Dipper (which includes the renowned Polaris), the Dragon, and Cassiopeia. What is the reason behind the name “Big Dipper”? Which individual did Zeus transform into the Big Dipper constellation? Zeus and Arcadus were elevated to the heavens and…

The early morning of February in 2013 turned into a tragic event for the residents of Chelyabinsk and its surrounding areas. The impact of the fallen meteorite affected a record number of people in the history of Earth’s population. The impact wave shattered windows in numerous buildings, uprooted trees, and caused varying degrees of damage…

What is the object around which the Sun orbits? It is widely known that our star is situated in the Milky Way galaxy, which has a diameter of approximately 30,000 parsecs. A parsec is a unit of measurement in astronomy that is equivalent to 3.26 light-years. Within the central region of the Milky Way lies…

Even in this day and age, when people consider themselves to be skeptical and aware that a falling star is simply a meteorite, they still try to seize the moment and make a wish. Because, according to the beliefs of many cultures, catching a glimpse of a falling star carries significance. Many individuals believe it…

Our current understanding of black holes is still limited, but scientists have been able to make predictions and calculations about their appearance, size, and other physical characteristics thanks to various scientific theories, most notably Albert Einstein’s theory of relativity. While there is little doubt about their existence among the scientific community, black holes are technically…

Experience the interactive scale of the Universe online: explore the actual dimensions of the universe, compare space objects, planets, stars, clusters, galaxies. When we talk about dimensions, we often refer to alternate realities or our perception of the world around us. However, there’s much more to dimensions than meets the eye. And perhaps the most…

There are several gas giants in the solar system that astound with their enormous size. These include Jupiter, Saturn, Uranus, and Neptune. In comparison, our Earth appears insignificant. However, which planet in the solar system holds the title for being the biggest? Undoubtedly, it is Jupiter, which was aptly named after the chief god of…

With a high level of precision, the time it takes for the celestial sphere to complete a full revolution can be calculated by measuring the time between two consecutive culminations of a star or a specific point on the celestial sphere, such as the vernal equinox (T). Duration of TimeThe duration of time between two…

A simplified explanation of black holes and the consequences of falling into one. Understanding the Concept of a Black Hole: A Simplified Explanation Explaining the Concept of a Black Hole in Layman’s Terms: Understanding the Enigma of Space’s Abyss A black hole is a phenomenon in the Universe that remains shrouded in mystery. Its existence…

Enceladus is Saturn’s moon, and it is a fascinating celestial body with many interesting features. Let’s explore some key details about this tiny satellite. First of all, Enceladus has a diameter of 505 kilometers, making it relatively small compared to other moons. To put it into perspective, it would fit within the borders of the…

The reason why the planets in our solar system are called “planets” is because they are situated close to the Sun and rotate around this particular star. The planets that are part of our solar system include: Mercury, Venus, Earth, Mars, Jupiter, Saturn, Uranus, Neptune. This is the order in which they are positioned in…

An atmosphere is a layer of gas that surrounds a celestial body, such as Earth, and is held in place by gravity. It serves several crucial functions, including shielding the planet from harmful ultraviolet radiation emitted by the sun, regulating temperature, and acting as a barrier against meteorites. The unique composition and characteristics of Earth’s…

Saturn, the sixth planet in our solar system, is known for its unique internal structure. It is the second largest planet, after Jupiter, in terms of size among all the planets orbiting the Sun. Scientists categorize Saturn as a gas giant, a type of planet composed mainly of hydrogen and helium. The planet was named…

Science The night sky is filled with an abundance of incredibly stunning objects that are visible even without any special equipment. If you don’t have any astronomical tools at your disposal, worry not, as there are still plenty of awe-inspiring sights to behold. You can marvel at magnificent comets, luminous planets, distant nebulae, shimmering stars,…

Recently, I’ve been experiencing a recurring dream with increasing frequency. It feels as though I am already awake, opening the window and soaring into the boundless sky. I ascend into outer space, clad in a delicate nightgown, effortlessly catching meteorites with my bare hands and gliding past the celestial bodies. Upon waking, I am overcome…

The Earth’s atmosphere is made up of a combination of various gases. The majority of the atmosphere is composed of nitrogen, accounting for 77 percent, while oxygen makes up an additional 21 percent. The remaining 2 percent consists of a mixture of trace gases such as argon, carbon dioxide, helium, neon, krypton, xenon, nitrous oxide,…

The heliocentric system of the world (named after Helios, the ancient Greek solar deity) proposes that the Sun is the central celestial body around which the Earth and other planets orbit. The geocentric system (derived from the ancient Greek word “geia” meaning “earth”) suggests that our planet Earth is at the center of the universe….

Io, one of Jupiter’s moons, is named after Zeus’ mistress and is a fascinating and perilous celestial body that could easily be described as a version of hell. Io is part of the Galilean moons, a group of four satellites that are each distinct and offer unique worlds that can captivate even the most imaginative…

In all honesty, there exists a plethora of theories regarding black holes, ranging from mythical and imaginative explanations to scientific perspectives on their very existence. Despite the fact that the true nature of black holes still eludes scientists. Black hole theory and the theory of relativity Initially, the existence of black holes was purely speculative….