Why Magnetic Shield around the Earth is important?
A magnetic field that protects us from the sun’s radiation and makes liquid water - and life! - possible on Earth. That is the main difference between Mars and Earth. Why is there such a difference? Watch the video to learn.
Channels: Interesting Science
Tags: magnetic field mars earth
Uploaded by: admin ( Send Message ) on 27-07-2015.
Duration: 4m 12s
