Tag
#milky-way
2 posts
SDSS‑V DR20 releases 2 million spectra, mapping the Milky Way’s halo in detail
SDSS‑V’s 20th data release provides over 2 million stellar spectra, including 250 k halo stars, opening new windows on the Galaxy’s formation.
Oldest Stars in the Galaxy Shed Light on Cosmology's Biggest Argument
Astronomers find oldest stars in Milky Way, estimating universe's age at 13.8 billion years.