As you are aware, stars have extremely high internal temperatures. It is this high temperature that initiates thermonuclear reactions. When a molecular cloud undergoes compression due to gravitational forces, it undergoes heating, which increases as the mass of molecules becomes sufficient. This leads to the synthesis of helium from hydrogen, or in simpler terms, the…

The secrets of the stars that are nearest to our planet will continue to intrigue scientists, amateur stargazers, and writers of science fiction for many years, if not centuries, to come. Compilation of the nearest stars to our Sun Stellar SystemStar or Brown DwarfSpectral ClassStellar VelocityDistance, sv. year 0 Solar System Sun 0 G2V −26,72…

It is common knowledge that throughout history, individuals have relied on star coordinates to navigate their lives. Navigators, for instance, used celestial bodies to orient themselves in space, and this knowledge extended beyond them. Agricultural activities were timed in accordance with the position of the stars, and much more. In fact, calendars were developed that…

In fact, new stars are not recently born or emerged stars. This is a common misconception among those who are not familiar with our universe. In the field of astronomy, the term “new star” refers to a star that has experienced a significant increase in luminosity and brightness. In fact, these characteristics can increase more…

Planet Earth is a treasure trove of enigmas, with one of the most intriguing being the mystery of its innermost core. While human-made mines can only delve a few kilometers deep, the secrets residing deep within our planet remain inaccessible. Nevertheless, scientists have managed to piece together a rough sketch of its internal composition.

As youngsters, many individuals harbored dreams of donning the title of “cosmonaut,” particularly during the Soviet era when the exploration of outer space was in its nascent stages. However, the path to becoming an esteemed member of the cosmonaut corps is a highly exclusive one: prospective candidates must satisfy a multitude of stringent criteria, endure…

Earth is a one-of-a-kind planet within our solar system. It may not be the smallest, but it certainly isn’t the largest either – it holds the fifth position in terms of size. Among the planets within the Earth group, it reigns supreme in terms of mass, diameter, and density. This celestial body resides in the…

The Aldebaran star is a prominent celestial object in the Northern Hemisphere that can be easily observed in the nighttime sky. It shines with a brilliance that surpasses that of the Sun by several magnitudes. Aldebaran, with an age of more than 6 billion years, has a rich history. A celestial body with various names…

The future Soviet cosmonaut Yuri Viktorovich Romanenko was born on August 1, 1944 in the village of Koltubanovsky, located in the RSFSR’s Orenburg region. After completing his secondary education in Kaliningrad in 1961, he worked as a concrete worker at a factory in the same city for two months before becoming a mechanic in a…

The Earth is situated at a considerable distance from other celestial bodies in the universe. Scientists who study the cosmos primarily rely on light to investigate its mysteries. Light, the primary medium of information transmission, travels across the vast emptiness of space, carrying both energy and valuable data. However, various telescopes perceive the radiations emitted…

Operating hours: 10:00 AM to 9:00 PM, Closed on Tuesdays "Retro Cafe": available during the Planetarium’s operating hours from 10:00 AM to 8:00 PM. Contact number: +7 (495) 221-76-90 Planetarium JSC © 2017. Located at 5 Sadovaya-Kudrinskaya str., building 1, Moscow. The dwarf planet Pluto is celebrating its 13th birthday Date: 23.08.2019. Pluto lost its…

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…

Imagine a colossal entity with a mass equivalent to one and a half to two suns. Shrink it down to just a few kilometers in diameter, resulting in a cubic centimeter of material weighing hundreds of millions of tons. Introduce the most potent magnetic field known to exist in the cosmos. Surround it with an…

The nearest star to Earth is Proxima Centauri, also known as Alpha Centauri C. It is located in the Centauri constellation. The distance from our Solar System to Proxima Centauri is approximately 4,243 light-years. The name “Proxima” comes from Latin and means “near” or “closer to.” Additionally, Proxima Centauri is only 0.237 light-years away from…

Typically, the ideal time to observe the Milky Way is during the Milky Way season, which spans from February to October. This timeframe is usually between midnight and 5:00 AM, particularly on nights when there is a new moon. However, the specific timing can vary depending on various factors such as the hemisphere, your latitude,…

The celestial sphere is home to 12 constellations known as the Zodiac. Positioned between Leo and Gemini, Cancer is the 4th sign in the Zodiac. Resembling an inverted uppercase Y, this constellation lacks prominent stars and can be challenging to identify. Cancer can be observed in both the northern and southern hemispheres, depending on the…

The Scorpio constellation can be found in the southern part of the sky and is a prominent feature of the zodiacal circle. While it may not be the largest constellation, it holds great significance. Ranking as the 33rd largest constellation by area, Scorpio is situated alongside other well-known constellations such as Libra, Sagittarius, and Wolf….

Ancient astronomers bestowed the names of constellations, which bear no resemblance to actual bears but rather to dippers, in ancient times. They perceived the outlines of two bears within these constellations and devised a captivating myth. Kronos, the father of the mighty deity Zeus, became aware of a prophecy that his own son would overthrow…

Betelgeuse, also known as Alpha Orion, can be found in the constellation of Orion. It is the second brightest star in Orion and the ninth brightest star in the entire sky. This red supergiant is located approximately 643 light years away. Betelgeuse is currently in the final stages of its life and is expected to…

Since I have always had a fascination for astronomy, I have often pondered the possibility of discovering life on other celestial bodies. However, as I delved into the vast realm of astronomy and explored the various planets, I came to a profound realization – our very own planet Earth is an extraordinary phenomenon, standing out…