metallicity
A New Technique to Figure Out How Old Stars Are
Our understanding of the universe, and of the Milky Way, is built on an edifice of individual pieces of knowledge,…
6 years ago
Ancient Star Found that’s Only Slightly Younger than the Universe Itself
Thanks to a team from John Hopkins University, a star was recently discovered that is 13.5 billion years old, almost…
6 years ago
Where’s the Line Between Massive Planet and Brown Dwarf Star?
Astronomers have debated which objects are gas giants like Jupiter, and which are more correctly called brown dwarfs. A new…
7 years ago