Questions with the keyword 'astronomy'

• Is the universe infinitely big, is it just a 3d world over a 4d shape(making it apparently endless) or does it have an by robsterwrecker and 1 other. to Andy, Amy, Georgia, Ollie Comments: (So far, one comment )
• will it be possible to live on mars soon?????????? by lukefleming to Amy, Andy, Georgia, Ollie Comments: (No comments so far )
• is it possible for a space ship to “fold” time and space, like off the movie “Event horizon”? by samuelharrison to Alex, Amy, Andy, Georgia, Ollie Comments: (No comments so far )
• Is it cold in space? by charliemac21 to Alex, Amy, Andy, Georgia, Ollie Comments: (So far, one comment )