Stellar Streams as Dark Matter Maps
Stellar streams are beautiful structures that trace the dark matter distribution of a galaxy. Today’s paper looks beyond our Milky Way for streams in external galaxies.
When Gaia meets Hubble: accurate proper motions for faint stars
A powerful new tool combines data from Gaia and the Hubble Space Telescope and accurately measures how stars move on the plane of the sky. Find out how it’s done in today’s Astrobite!
Were you more productive during COVID?
If you answer no, then you might be surprised! This article investigates how astronomers wrote more papers during COVID.
How not to bury ourselves under space trash
Our planet is already blanketed by space debris. As small commercial satellites rapidly multiply, will humans block ourselves from space?
Wandering Planets
Astronomers find free-floating planets and where they came from.