Astronomy & Astrophysics 101: What Is “Redshift?”
‘Redshift’ is a key concept for astronomers. The term can be understood literally — the wavelength of the light is stretched, so the light is…
Redshift
Infant Galaxy Showcases Star Systems in the Early Universe
A rare cosmic zoom lens, which uses the gravity of a large mass to magnify light from distant objects, has allowed a team of US…
