Psyche takes a parting shot of the red planet; black holes in the “mass gap” form by merging two smaller black holes
They’re ancient remnants of stars from galaxies our own galaxy ate
25 November 2019 Issue #169
Just writing that sentence made the hairs on the back of my neck stand up
The gravitational waves they emitted were fiercely powerful, but where did the black holes come from?
10 January 2022 Issue #391
13 January 2022 Issue #392
Plus: the chance of the Milky Way and Andromeda colliding just went up. Maybe.
May 30, 2019 Issue #118
8 November 2021 Issue #373
Combining images from Hubble and JWST provides an incredible view of a gorgeous galaxy cluster
At a redshift of 15, that would be trouble for our understanding of the Universe. But it might just be a closer galaxy trying to fool us.
