Questions with the keyword 'earth'

• If aliens came to Earth, who would be the first to greet them? Is there an Alien Earth First Meeting by anon-177608 to Andrew, Becky, Daniel, Helen, Nicola, Urslaan Comments: (No comments so far )
• if the pollution in our air doesn’t decrease, how long will it take for the earth to be inhabitable? by anon-177563 and 1 other. to Daniel Comments: (No comments so far )
• do we truly understand the earth by anon-177516 to Andrew Comments: (No comments so far )
• If we left earth today, could we escape the eventual collision between the Milkyway and andromeda? by anon-177347 to Urslaan, Nicola, Helen, Daniel, Becky, Andrew Comments: (No comments so far )
• Do you think if there are aliens do you think they will be taller than humans because Earth is smaller than other by anon-177346 to Andrew, Becky, Daniel, Helen, Nicola, Urslaan Comments: (No comments so far )