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Cassiopeia, the Queen

A constellation best seen in autumn in the northeastern sky.

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Cassiopeia, the Queen

Cassiopeia, the Queen May 25, 2010

Featured Images

Colorful Aftermath April 13, 2023
Caroline's Rose

Caroline's Rose September 9, 2020
X-ray view of Cassiopeia A

It's Elemental January 2, 2018
The system V664 Cassiopeia is creating a planetary nebula

Bread Crumbs July 23, 2015

Radio Programs

Owl Cluster Nailing down membership in a star cluster September 18, 2022

Beta Cassiopeia Watching a star puff up July 9, 2022

Beta Cassiopeia A star that twirls in a hurry February 11, 2022

Double Cluster Doubling up on star clusters September 19, 2021

IC 10 X-1 A bright, dark star system July 22, 2021

Seven Siblings A sprawling family of seven stars March 27, 2021

More Cassiopeia A Forging big batches of chemical elements October 27, 2020

Cassiopeia A Muffling the death of a star October 26, 2020

Caroline’s Rose A beautiful stellar “rose” September 9, 2020

Schedar A young star that’s near the end September 9, 2019

Navi A bright, busy star system January 21, 2019

Rho Cassiopeia Practicing for a big blast November 22, 2017