A NASA video shows how big black holes get. I explain how that works.
Exploding stars can masquerade as really far away galaxies
Will Elon Musk save astronomy? (hint: no), and an INCREDIBLE image of the Earth from the Moon
I’m giving talks in Seattle and Portland, and the supernova SN2023ixf just popped off in the nearby galaxy M101!
I got photos of the Jupiter occultation, and a lunar mission to map ice didn’t quite make it
Jupiter issue! The Moon blocks it and a spacecraft is fixed on its way to the planet
VV 689 used to be a pair of spiral galaxies. Not any more.
May 11, 2023 Issue #563
Three huge dusty structures surround the nearby naked-eye star
A black hole 32 billion times the mass of the Sun may have been found
Changing your viewpoint from the main character will change your life
May 2, 2023 Issue #559
