16264
http://d33hzbufl2gyhz.cloudfront.net/dialogs/16264/thumb_511647_20120928152435.jpg
The challenges that astronauts face while in space.
Duration - 03:22
4786 points | Advanced
Recommended Videos
Recommended Courses
-
Exciting Activities 2
Advanced | 21 videos
Top Scores
-
Last 30 days
-
All Time
-
1
4750
kaoruik
-
2
4727
superfluity
-
3
4712 Kiyoshi Matsuzawa
-
4
4672
20081366Tony
-
5
4527
himawari2010
-
6
4524
JackSpallow
-
7
4498 Tomohide Alfred Yasumura
-
8
4477
ayaka
-
9
4315
hanahana
-
10
4280
20111112leesanghyeok
Comments