January 3, 2023
Adam Frank writes in The Atlantic, “But across its millennia-long history, astronomy has always been a science of separation.”
The messy death of a multiple star system and the resulting planetary nebula as observed by JWST
December 8, 2022
Planetary nebulae—the ejected envelopes of red giant stars—provide us with a history of the last, mass-losing phases of 90% of stars initially more massive than the Sun.