Meteorites that fall on the Earth form craters. There are thousands of satellites orbiting our planet. Black holes have really strong gravity fields.
 |  The Universe |
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 abarzafuentes (22)
 busuu Challenge You and abarzafuentes will have to complete 3 units in 24 hours in order to win 50 busuu-berries  !Remember, doing a busuu Challenge requires a bet of 50 busuu-berries, so make it count! busuu Challenge abarzafuentes just accepted your challenge! Go!busuu Challenge Sorry, abarzafuentes didn’t accept your challenge! Why not challenge someone else? Go to Challenge areabusuu Challenge We sent an email to abarzafuentes! abarzafuentes has 24 hours to accept and start your challenge! Remember you can only challenge one user at a time! |
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Sat, 12/22/2012 - 15:52
 Savvas Thanasis_ (55)
 busuu Challenge You and Savvas Thanasis_ will have to complete 3 units in 24 hours in order to win 50 busuu-berries !Remember, doing a busuu Challenge requires a bet of 50 busuu-berries, so make it count! busuu Challenge Savvas Thanasis_ just accepted your challenge! Go!busuu Challenge Sorry, Savvas Thanasis_ didn’t accept your challenge! Why not challenge someone else? Go to Challenge areabusuu Challenge We sent an email to Savvas Thanasis_! Savvas Thanasis_ has 24 hours to accept and start your challenge! Remember you can only challenge one user at a time! |
Very good ! |
| 22/12/2012 14:52 | 0 |
Sun, 12/23/2012 - 05:18
 irishdan66 (49)
 busuu Challenge You and irishdan66 will have to complete 3 units in 24 hours in order to win 50 busuu-berries !Remember, doing a busuu Challenge requires a bet of 50 busuu-berries, so make it count! busuu Challenge irishdan66 just accepted your challenge! Go!busuu Challenge Sorry, irishdan66 didn’t accept your challenge! Why not challenge someone else? Go to Challenge areabusuu Challenge We sent an email to irishdan66! irishdan66 has 24 hours to accept and start your challenge! Remember you can only challenge one user at a time! |
This is very well done.
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| 23/12/2012 04:18 | 0 |
Do you know any interesting facts about the universe? What are they?