Collecting Bennu

Jonathan Kay

Jon Kay is a Planetary Science and Visiting Assistant Professor at William & Mary.

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4 Responses

  1. Jaybird says:

    How would they know it’s a rubble pile without probing it first?Report

    • Oscar Gordon in reply to Jaybird says:

      My guess, watching it turn. If it had gotten hot enough to melt, the elements would have distributed around rather evenly and it would have cooled into a rather stable spin. A rubble pile, on the other hand, will have it’s mass unevenly distributed, giving it a noticeable wobble.

      But that’s just my guess.Report

  2. Jaybird says:

    Good news!