Comments by "David Elliott" (@davidelliott5843) on "The Discovery in Mars' Jezero Crater that Caught Scientists by Surprise | Perseverance Episode 4" video.

  1. Billions of years ago, Earth and Mars both had rivers. However Mars is too small and no longer has useful air or any water.
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  2. Why are the samples not put into tubes before being stored in the carousel? Oh silly me, that would be too expensive.
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