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Planets are the largest objects in the Solar System, excluding the Sun. The definition of the term “planet” has been a subject of debate among astronomers for a considerable period of time. However, in 2006, the International Astronomical Union finally formulated a precise definition, which only applies to bodies within our solar system. According to…

It is commonly believed that the Earth’s core lies at a depth ranging from 6,000 to 6,400 kilometers beneath the Earth’s crust. The core, which constitutes the innermost part of the Earth, is composed of iron, nickel, and sulfur. The Earth’s crust, on the other hand, forms the outer layer of the planet and primarily…

Mercury is the smallest planet in the solar system and it is also the closest planet to the Sun. Its diameter is much smaller than the diameter of the Earth. Mercury was named after the ancient Greek god of commerce, who was well-known for his incredible speed. The planet also orbits around the Sun at…

Today our topic of discussion revolves around the velocity of an asteroid, precisely its traversal through the immense expanse of our cosmos. As commonly known, these compact heavenly entities navigate around the Sun within a designated orbit, much akin to the planets. However, each possesses its own distinct movement pattern. What is speed? Essentially, speed…

Scientists find the diameter of the Earth to be a practical matter of importance. It is determined by knowing the circumference of the planet along the equator. The primary characteristics of the Earth Planet Earth is estimated to be at least 4.5 billion years old. It belongs to the terrestrial group of planets, along with…

Inquiring about a woman’s age is like asking for trouble! Women often subtract a year or two to appear younger in the eyes of others! Stars are no different! Let’s discover which celebrities have a passport age that doesn’t match their actual date of birth! Nadezhda Granovskaya can be paraphrased as Nadia Granovskaya . Former…

The sky provides a delightful spectacle not only for hopeless romantics and meticulous scientists. From time to time, every individual enjoys gazing at one of the most breathtaking phenomena of our vast universe – the dazzling stars. Therefore, it is of great interest to discover which celestial bodies possess the highest luminosity. Sirius Undoubtedly, Sirius…

Receive a daily newsletter featuring the most popular article. Connect with us on Facebook and VKontakte. If we consider the names of astronauts, we can observe that they all have a masculine or neutral sound, and definitely do not include anyone with an inappropriate name that could potentially cause laughter among narrow-minded individuals. After all,…

When viewed from our planet, the measured rotation rate of the Sun is 24.47 days, but if you subtract the Earth’s rotation around the Sun, it becomes 25.38 Earth days. Astronomers refer to this as the sideric rotation period, which differs from the synodic period in the duration it takes for the sunspots to complete…

Space is a vast and fascinating place! Not every grown-up fully comprehends the enormity of this idea, let alone children. Let’s attempt to explain space to children in a clear and captivating way. If we succeed, there is a chance that the child will not only be temporarily interested in astronomy, but will develop a…

Only 1% of the surrounding outer space has been explored, and this small fraction has already led scientists to the discovery of new galaxies and planets near our solar system. However, these findings represent just a minuscule portion of the vast expanse of space. Now, let us delve into the realm of the most colossal…

There is limited knowledge among the general population about the effects of different levels of G-force, such as 1G, 2G, 5G, 8G, and 10G, unless they are involved in civil or military aviation. It is commonly understood that passengers on a commercial aircraft experience inertial forces equivalent to approximately 1.5 G during takeoff. As the…

Voyager 1 is renowned for its remarkable achievements in space exploration, including its impressive record-breaking distance of 21337 billion kilometers from Earth and its remarkable operational lifespan of 45 years. However, it has recently encountered an intriguing and paradoxical issue. The Orientation and Articulation Control Subsystem (AACS) has been transmitting data to ground stations, but…

A multitude of phenomena that we have grown accustomed to since our early years are influenced by cosmic processes. The transition from day to night, the changing seasons, and the length of time the Sun remains above the horizon are all intertwined with the Earth’s rotation and its unique trajectory through space. A fictional boundary…

The galaxy we live in is known as the Milky Way. It is home to our planet Earth, as well as the other planets in our solar system. In addition to these planets, the Milky Way also contains an incredible number of stars and exoplanets, estimated to be between 100 and 400 billion. Among these…

The question of how many galaxies there are in the universe is a complex one. Historically, astronomers have made attempts to determine the total number of galaxies in existence. However, counting them has proven to be a daunting task. As the numbers reach into the billions, the process becomes time-consuming. Additionally, the limited capabilities of…

The Sun, located at an average distance of 1 astronomical unit from Earth (about 150 million kilometers), is the nearest star to our planet. It takes around 8 minutes for the sunlight to reach Earth. What sets the Sun apart is that it can be seen by an observer on Earth even during daylight hours,…

The Earth, which is the fifth largest planet in our solar system, was formed approximately 4.54 billion years ago from a mixture of dust and gas. It has a slightly irregular shape and rotates around the Sun in an elliptical orbit, with an average speed of about 108,000 kilometers per hour. Additionally, the Earth also…

Arguably, there is no constellation in the night sky of the northern hemisphere that is more renowned than the Little Bear. It is the one that children inquire about the most and even attempt to spot in the vast expanse of stars above. What makes the Little Dipper stand out and grab attention, despite its…

Is it possible to decelerate the speed of light – White dwarfs, neutron stars, and the general theory of relativity – What exactly is a singularity – “A star will infinitely shrink!” – “Black holes” or “frozen stars”. The 19th century signifies the era of scientific triumph. Scientists no longer relied on mere speculation as…