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what planets have the shortest day ? (7 Comments)
How can people survive on Mars if there is zero gravity? (1 Comment)
Do the stars move or shrink? (1 Comment)
why is it that when we are walking on the streets at night,why does it look like the moon is following us? (8 Comments)
how long will it take radio signals to go from mars to earth ?
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Thank you from your winner – Hayley!
If humans evolved from apes why don't apes in jungles turn into humans?
how is a meteor created and why ?
What causes you to stress sometimes when you are sleeping?
Do the stars move or shrink?