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#Mu69: contact binary, peanut, snowman, BB8 droid, balancing balls, & cute lil Kuiper Belt Object who will upend what we thought we knew because that's how science works.

Tech thread from today's news release:
Q: What's a contact binary?
A: What used to be a binary system (2 things orbiting each other) that got squished together (contact) until they're now 1 lumptastic thing.

Details (with diagrams!): planetary.org/blogs/emily-la…
For #MU69, it looks like it was very gentle squishage. Like, the softest of squeezy-taps from two balls in space to one wonky lil friend.

All that brightness in the neck? Probably fine powders settling into the seam.

So soft. So gentle. So friendly.
Read 12 tweets

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