If it’s out there, Planet Nine would pull on everything else in the solar system. Could we measure those tugs to uncover its hiding spot?
We usually assume that all exoplanets are perfectly round. Today’s authors wonder: what are we getting wrong if some are slightly squished?
Way out beyond Neptune, a tiny moon dotes on a dwarf planet and slowly orbits around. But how much does the dwarf planet care? Quite a bit, it turns out.
What happens when you combine deep learning, citizen science, and decades of Hubble images? You discover thousands of new asteroids!
For today’s Beyond post, we spoke with Dr. Julie Davis, the AAS’s Bahcall Science Policy Fellow