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Why Not Colonize Moon First Before Colonizing Mars?

The main advantage of the moon is its…

How Is It Possible That False Vacuum Can Destroy the Universe?

The very hypothesis of the existence of two…

Why Did NASA Stop Using Space Shuttle To Fly To The ISS?

For thirty years, the Space Shuttle program has…

It Is True That In Reality, Nobody Knows What Gravity Is? Then What Is Gravity?

There are tools and techniques to calculate gravity…