NASA OFFICIALS SPEAK BEFORE MARS ROVER LANDING: NASA officials hold a mission overview and science briefing ahead of the Mars Perseverance Rover landing.
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The rover has been traveling through space since July and will have surpassed 292.5 million miles by the time it lands on Mars. Its mission will be to search for fossilized evidence of past life on the planet, collecting soil and rock samples that will be collected by another NASA rover later this decade.

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