Ideas from books, articles & podcasts.
How long it would take a spacecraft to travel to the nearest galaxy depends on how fast it is traveling. However the general answer is a very, very long time. The nearest galaxies to us are the two irregular galaxies called the Large Magellanic Cloud and the Small Magellanic Cloud. The nearest la...
This is the reason why Mars have no water...
Tour of two massive black holes.
Will we ever travel to the stars?
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