A Snowman-Shaped Space Rock Is Teaching Us How Planets Form

Here’s what we learned from when NASA’s New Horizons probe flew by the most distant object ever visited: Arrokoth

MIT Technology Review
Feb 13 · 3 min read
An image of Arrokoth taken by New Horizons during its flyby. Photo: NASA

By Neel V. Patel

After NASA’s New Horizons probe successfully zipped past Pluto in 2015, a choice had to be made about where to go next. Scientists…

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