Cosmologist and science communicator who analyzes the physics underlying sci‑fi and cosmology topics in approachable ways.

Remember the asteroid we thought might hit Earth or the Moon in 2032? New data from the JWST shows it will hit NEITHER. JWST's IR eyes are great for this because the asteroid is tiny and far, and thus, really dim. So it took precise measurements, and with that, any impact risk has been ruled out. Not just for Earth, but for the Moon too. But here's the really interesting part to me: even if an asteroid were hurtling toward Earth, we already have tech that can change an asteroid's trajectory.