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Hayabusa2 arrived at Ryugu, so I can make comparisons of asteroid scales!

Emily Lakdawalla • June 27, 2018 • 2

On 26 June 2018, Hayabusa2 arrived at its target asteroid, Ryugu. In a very brief status update, I present comparisons of Ryugu to other previously visited asteroids and comets.

Some big moons in the Kuiper belt

Emily Lakdawalla • January 25, 2018 • 3

In a new preprint, Mike Brown and Bryan Butler show evidence that two Kuiper belt moons are even bigger than we used to think. They are Eris' moon Dysnomia, and Orcus' moon Vanth.

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