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how is a black hole formed? 22 fans have answered this question 2 comments 82% easy

Which is a dwarf planet? 21 fans have answered this question No one has commented yet 76% easy

how is a supernova formed? 28 fans have answered this question No one has commented yet 64% medium

what is the biggest moon in the solar system? 19 fans have answered this question No one has commented yet 63% medium

the étoile, étoile, star betelguse is in the étoile, étoile, star constellation... 22 fans have answered this question No one has commented yet 55% medium

how many stars r in our solar system? 26 fans have answered this question No one has commented yet 54% medium

which the country is the best to astronomy? 6 fans have answered this question No one has commented yet 50% medium

is the moon esensul 4 life on earth? 24 fans have answered this question No one has commented yet 46% medium

Which is the farest planet from Earth in our solar system? 31 fans have answered this question 2 comments 29% hard

Which moon(any moon we know of) is a most likely candidate for us to colonize? 13 fans have answered this question No one has commented yet 23% hard