Of all the known rocky planets in the solar system, the one with the most similar natural environment to Earth is Mars, and exploration data show that Mars also has an atmosphere, four seasons of the year, and even a rotation period similar to that of Earth.
Category:
Extraterrestrial
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Extraterrestrial
There Are No People On The Moon, So Why Are There Over 180 Tonnes Of Rubbish And Where Did This Rubbish Come From?
The moon has no people and no other living creatures, but scientists have found a lot of garbage on the surface of the moon, which is very strange, since the moon has no people, why would there be so much garbage?
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Recently, a new study suggests that the darkening of Sensual IV may not have been simply a dust cloud, as it is suspected to have been pierced by a mysterious force before the darkening of Sensual IV
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Extraterrestrial
The Solar System Moves 7 Billion Kilometres a Year, But The North Star Is Always Due North - Why Is That?
In our universe, whether as large as a galaxy or as small as an electron, we are always in motion, and even when we think we are sitting motionless in our chairs, the earth is carrying us around the sun at a speed of about 30 kilometres per second, and the sun is also in motion, in fact it is carrying the entire solar system around the centre of the milky way, and at a speed of about 220 kilometres per second.
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Because Mercury does not have an atmosphere to play a role in insulation, so the temperature of the back side of Mercury can be as low as minus 172 degrees Celsius, and because of the proximity of the sun, the temperature of the sunny side of Mercury will soar to 432 degrees Celsius under the baking of the sun, so it can be seen that Mercury is simply a realistic version of the "world of ice and fire"
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Extraterrestrial
How High Does Mount Everest Rank In The Solar System? Where Is The Tallest Mountain In The Solar System?
The so-called gravitational equilibrium surface refers to the surface formed by the same point of gravity. On Earth, we call the gravitational equilibrium surface that coincides with the stationary ocean surface the "geodetic level", which is actually equivalent to what we often call sea level.
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Extraterrestrial
Second Home Just Around The Corner? Probe Finds 'Reservoir', Nasa: Send People Up There By 2040
In our solar system, there are 2 planets in the habitable zone of the solar system, one of which is our home planet Earth, and the other is Mars
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Extraterrestrial
Voyager 1 Has Flown 22.8 Billion Kilometres Away, How Did It Manage To Send Its Signal Back To Earth?
The universe is so big, but man's range is so small that the furthest man has been so far is the moon, which is only 380,000 km away from earth on average. Of course, humans have also launched all kinds of probes, and if you include them, the range of human activities is much larger.
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Extraterrestrial
Astronomers: Alien Civilization May Have Built a Giant "Beacon" 39 Light Years Away
If you are so close to the main star in the solar system, life simply cannot survive
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Extraterrestrial
Our Fears Were Not Unfounded, As 70,000 Years Ago Our Solar System Was Invaded By Another Star
The milky way is a huge galaxy with hundreds of billions of stars, and the sun is just one of the less prominent stars that, along with many other stars in the galaxy, orbits the centre of the galaxy.