Nasa's Perseverance to UAE's Hope, why humans have eyes on harsh Mars


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The timing is not a coincidence. It's driven by celestial mechanics. At their closest, the Earth (third planet from the Sun) and Mars (fourth planet) are "merely" 56-65 million km apart
February 25, 2021 at 06:10AM
Nasa's Perseverance to UAE's Hope, why humans have eyes on harsh Mars
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