In orbit for longer and longer periods of time, we need to solve not only inorganic resupply problems such as food, water, oxygen and propellant, but also the various problems faced by astronauts flying in orbit for long periods of time
Category:
Earth
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Earth
Mysterious 'Yellow Brick Road' Discovered At The Bottom Of The Pacific Ocean - Are They The Remains Of a Prehistoric Civilisation?
The legendary prehistoric civilization is not the only one "Atlantis", then this mysterious "yellow brick road" could be the remains of some other prehistoric civilization left behind?
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Earth
Scientists Open 5.5 Million-Year-Old Cave, Discover 'Alien World', Overturning The Perception Of Life
In this 5.5 million-year-old cave, not only is there no sunlight, but the environment is also very harsh
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Earth
It's Still Growing! A 'Mouth Of Hell' Has Been Discovered In Siberia, Devouring Everything In Its Path, And There's No Stopping It
In the Arctic Siberian region, there is a huge crater called "the mouth of hell"
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If we dig up all the sand in the Sahara Desert, then we can see the "bedrock" of this desert
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Earth
Is The Earth 'Cooling Off'? Scientists Discover That The Earth's Interior Is Cooling Much Faster Than Expected
According to some scientists, the earth itself did not exist billions of years ago, but about 4.6 billion years ago, a giant interstellar molecular cloud gravitationally collapsed to form the solar system. Some dwarf planets, moons, asteroids and other bodies that are somewhat smaller in size than the planets. This is how our home on earth was formed, but in the early days of its formation the earth was not as beautiful as it is today, the newly born earth was shown to be made up of magma, a boiling 'ocean' if you will.
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Earth
Worrying! For The First Time, Man Reaches The 8,919m Deep Yap Trench And Finds Something That Shouldn't Exist
With the progress of science and technology, human beings have now begun to increase their efforts to explore the universe and the ocean. With the help of advanced submersibles, more and more people have the opportunity to dive into the deep sea thousands of meters deep for research. It is also with the arrival of human beings that we found that there are some things in the deep ocean that should not exist, which are worrying.
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Earth
Scientists Warn: Earth Could Undergo An Upheaval! Atmospheric Oxygen Levels May Revert Back To 2.4 Billion Years Ago
The earth was born more than 4 billion years ago, when it was very different from the earth of today, one of which is that the environment of cosmic space is more different.
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Since there are many lakes in China, many of them have the title of "largest".