That’s no planet! It’s one to five moons.
Most planets in our solar system have multiple moons, from Mars’ 2 to Saturn’s ~82. Today’s paper explores the stability and detectability of multi-”exomoon” systems orbiting planets beyond our solar system.
Retroactive Name Changes in Astronomical Publications
Astronomers have recently been working to make astronomical publications allow transgender astronomers to change their name on past publications. Here’s why it matters and the current status of the effort.
What happens to planets when their host star dies?
What happens to planets when their host star dies? Today’s authors explore how HR 8799 could become a metal-polluted white dwarf in an unusual planetary system.
A Brown Dwarf in the Desert
Today’s authors found a unique occupant of the “brown dwarf desert,” on an extremely close orbit around its M dwarf host.
Glimpsing Dark Objects with Gaia
Today’s authors work out a full orbital solution for a binary microlensing system, indicating the method’s potential to probe the mass distribution of dark objects.