Shane Kimbrough, a NASA astronaut and US army colonel, was really excited to share both NASA and the ISS with people, according to his Twitter description. The AH-64 Apache pilot, father, and husband ...
In distant galaxies exist stars that are smaller and cooler than our own Sun. These so-called red dwarf or M dwarf stars also live 10 times as long as stars like ours and are the most numerous in our ...
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