Giant leap into space exploration
How did the work of the first American expedition on the lunar surface begin? Immediately after the ship landed on the plain of the lunar Sea of ​​Tranquility, the Apollo…

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Star worlds
By the beginning of our century, the borders of the explored Universe had moved so far that they included the Galaxy. Many, if not all, then thought that this huge…

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Lunar mineralogy
How did lunar craters form? This issue has led to a long discussion between supporters of two hypotheses on the origin of lunar craters: volcanic and meteorite. According to the…

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living somewhere

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Why exactly the earth?

In the meantime, about the Earth, perfectly prepared to become our cradle. We were lucky. On earth, several favorable circumstances for life coincided. Not every star becomes a Sun surrounded by planets. Should the nebula rotate more slowly, centrifugal force would not have arisen, fragments would not come off from the central clot, planets would not have arisen. And such a lonely “childless” star would swim in a black abyss, barrenly wasting its heat and light … Not every star that gave birth to planets could create conditions suitable for the birth of life on them. It takes a lot of time, billions of years, for the origin and development of life. All this time the star should burn evenly, calmly, equally. Then the conditions on the planet will be constant – and life will be able to adapt to them. But the stars are far from being not all as calm as our Sun. Young stars sometimes flare up. A wave of incinerating heat hits the surrounding planets, burning, evaporating everything Continue reading

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Lunar eclipses
When, when moving around the Earth, the Moon falls into the cone of the earth’s shadow, which is cast by the globe illuminated by the Sun, a total lunar eclipse…

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Hubble Space Telescope
From the very beginning of astronomy, from the time of Galileo, astronomers have one common goal: to see more, to see further, to see deeper. And the Hubble Space Telescope,…

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The origin of the moon
The history of the evolution of the moon is interesting not only in itself, but also as part of the general problem of the origin of the Earth and other…

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Asteroid shape and rotation
Asteroids are so small that gravity is negligible. She is not able to give them the shape of a ball, which gives the planets and their large companions, crushing and…

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