Astronomers Uncover Relationship between Rotation Rates of Stars, Their Ages

Astronomers say they can precisely determine the age of a star from how fast it is rotating.

The Doppler Effect in Astronomy – British Astronomical Association

Dark matter is slowing down the slab of stars at our galaxy's centre

Hubble Space Telescope on Track for Measuring the Expansion Rate of the Universe

Hubble's Law Astronomy 801: Planets, Stars, Galaxies, and the Universe

Milky Way Galaxy, Size, Definition, & Facts

Planet - Wikipedia

Distant World Has Rings 200 Times Bigger Than the Rings of Saturn

Astronomy Lecture Number 17

Astronomy News

Stellar rotation - Wikipedia

Astronomy News

Blue stragglers are the weird grandparents of the galaxy

Astronomers reveal a rapidly spinning core inside old stars

Brown Dwarfs Could Reveal Secrets of Planet and Star Formation