Questions with the keyword 'comet'

• I watched a documentary about a comet and they said the Earths water could have come from comets could this have by billytheshark to Alex, Ali, Kerry, Philip, Theo Comments: (No comments so far )
• Wow!! Philae landed on the comet. What sort of information will we get from it? by CheekyMonkey to Alex, Ali, Kerry, Philip, Theo Comments: (So far, one comment )