Keck Cosmic Web Imager
This Ancient Supernova Remnant Looks Like a Stellar Dandelion
In 1181, Japanese and Chinese astronomers saw a bright light appear in the constellation Cassiopeia. It shone for six months,…
3 weeks ago
The True Size of Galaxies is Much Larger Than We Thought
Ask most people what a galaxy is made up of, and they'll say it's made of stars. Our own galaxy,…
2 months ago
Seeing the Web Connecting Galaxies Across the Universe
One hundred years ago, we didn't know there was anything outside of our own galaxy, the Milky Way. Now we…
1 year ago