the.com/astrophysics
physics that escaped the lab and started doing it to entire galaxies.
means The branch of astronomy that uses the laws of physics—gravity, light, nuclear reactions, thermodynamics—to explain how stars, galaxies, and the universe itself work.
from A modern compound stitched from Greek roots: 'astron' (star), the same word behind astronomy and astrology, plus 'physics,' from Greek 'physis' (nature). 'Physics' had long meant the study of the natural world before 'astro-' was bolted on in the 19th century, when spectroscopy let scientists read the chemistry of distant stars in their light—turning astronomy from mere stargazing into physics done at impossible distances.
- gold origin
- Your wedding ring forged in colliding neutron stars.
- deep listening
- We detect black holes by spacetime ringing like a bell.
- old light
- Stars you see may have died millennia ago.
- cosmic ignorance
- 95 percent of the universe is stuff we cannot identify.
- star recipe
- Every atom heavier than helium was cooked inside stars.
event horizon telescope — captured first image of black hole m87* in 2019 using synchronized global radio observatories
james webb space telescope — launched 2021, observes universe's earliest galaxies and exoplanet atmospheres in infrared