A constellation that arcs high overhead in fall and early winter.


Perseus, the Hero Perseus, the hero, arcs high overhead in fall...

Radio Programs

Halloween Haunting stars in the evening sky Saturday, October 31, 2015
Alpha Persei A young star ages in a hurry Friday, October 9, 2015
Double Cluster A pair of vigorous star clusters Monday, October 5, 2015
Big Story A big-screen story in the autumn sky Monday, September 28, 2015
Future Quadruplets A star cloud prepares to give birth Thursday, April 16, 2015
Perseus Taking the measure of a monster Sunday, January 25, 2015
California Nebula California in the stars Saturday, January 25, 2014
Double Cluster Sparkling stellar jewels Sunday, February 10, 2013
Halloween Star II A stellar cannibal for Halloween Wednesday, October 31, 2012
Halloween Star A two-headed stellar demon Tuesday, October 30, 2012
Mirfak The hero’s brightest star Monday, October 29, 2012
Halloween Ghouls Ghoulish delights in the sky Monday, October 31, 2011
Alpha Persei Cluster Tracing a galactic cataclysm Sunday, October 9, 2011
Alpha Persei A young but aging star Saturday, October 8, 2011
Border Star A star with a double identity Friday, September 9, 2011
California Nebula Expanding California’s borders Saturday, November 6, 2010
Algol The head of the demon Saturday, October 30, 2010

Featured Images

Close-up view of the California Nebula in infrared light.
California Nebula Saturday, January 25, 2014
The California Nebula, in Perseus
Stately Nebula Saturday, November 6, 2010
Comet Hartley-2 from McDonald Observatory
Jolly Green Comet Thursday, October 21, 2010


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