Why Earth's Magnetic Shield Matters
The sun has two planets in its Goldilocks zone: the Earth and Mars. The crucial difference: a magnetic field that protects us from the sun’s radiation and makes liquid water - and life - possible on Earth.
The sun has two planets in its Goldilocks zone: the Earth and Mars. The crucial difference: a magnetic field that protects us from the sun’s radiation and makes liquid water - and life - possible on Earth.
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