Rogue Comet Comes a-Calling

Listen 05:43

Not merely out-of-this-world, a comet from beyond our solar system came and went earlier this month.
Cross-quarter-day approaches…wait, what’s cross-quarter day?
A NASA program invites subscribers to become ‘Martians’ by sending their name to Mars on the next exploratory mission, Insight. The mission launches in May 2018, lands November 2018. InSight will study the interior of Mars.

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