Until we send a probe there, big ‘scopes are still useful at checking up on the distant giant world
My book in Italian, and an incredible photo of a comet and — can you guess? — three galaxies
A collective letter to Substack leadership
I do so love the cataclysmic detonation of an entire star wreaking havoc across dozens of light-years
An asteroid passes directly in front of everyone’s favorite supernova progenitor tonight
Colliding galaxies mark the position of a pair of giant black holes destined to merge
Some very cool images from an old orbiter give us a new view of the Red Planet
The most distant actively feeding black hole emitting X-rays has been found at the edge of the observable Universe
A usually weak shower may strengthen with 200 visible per hour. Maaaaaaaybe.
Some things for you to read, to donate to, and to think about
The hustle and bustle of a busy galaxy’s heart is pretty danged amazing
Math? Yup, and that’s not a fib.
