🌀 Finding The Milky Way’s Edge: Where Our Stellar City Thins To Nothing
Deep star counts in a clear patch of sky suggest the Milky Way’s old stellar disc ends more sharply than you might think
Deep star counts in a clear patch of sky suggest the Milky Way’s old stellar disc ends more sharply than you might think
A friendly guide to the math that powers discoveries in LIGO and future space observatories—and what it can reveal about a black hole’s mass and spin
Close to a black hole, spinning faster can make you fall harder — here’s why
How ground telescopes could spot heavy, invisible particles by catching their gamma-ray fingerprints
A clever twist on gravitational microlensing turns fuzzy galaxy light into a detector for hidden objects