Video of the Week - Mars, Four Billion Years Ago?
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We are all familiar with the rocky, red surface of present day Mars - After all, that is why it is nicknamed the 'Red Planet'. And while It's definitely not a place most of us would want to live on in its present state, what if it had been filled with huge lakes, lush green fields and giant cliffs? Just like . . . Earth?
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지금 학습 시작하기댓글 338개
- Chris10년 이하This is interesting and soooooooooo coooooooool
- cool dude약 10년i love astronomy its awesome and ava mars was made long before earth
- KO.약 10년so do i :-)
- A.O.약 10년astronomy is awesome
- oooh gta5약 10년i love astronomy
- really ava약 10년mars was made waaaaaaaaaaaaaaaaaay before earth
- really ava약 10년earth was made 6,000 years ago not mars
- omg bleh!!!약 10년TOTALY AWESOME!!!!!!!!!!!
- omg omg!!!약 10년woah
- omg omg!!!약 10년really ava really