Lifecycle of Stars


Cosmic Beacons The stars that 'twinkle, twinkle' in the night...

Radio Programs

Rara Avis II Dancing with the firebird Sunday, November 30, 2014
Moon and Regulus Keeping an old star looking young Saturday, September 20, 2014
EQ Pegasi A pair of juvenile stellar neighbors Friday, September 12, 2014
M15 A fading family of ancient stars Thursday, September 11, 2014
Great Square The above-average stars of the Great Square Tuesday, September 9, 2014
Rasalhague The head of the serpent bearer Sunday, September 7, 2014
Cat’s Eye Nebula The true nature of a glowing cat’s eye Friday, August 29, 2014
Alpha Lacertae A star with a bright profile Thursday, August 28, 2014
Doomed Planets Doomed planets around a dying star Sunday, August 24, 2014
Sigma Scorpii Impressive stars near the scorpion’s heart Saturday, August 9, 2014
Dumbbell Nebula A blaze of color for a dying star Saturday, July 12, 2014
Moon and Antares Siblings that age at different rates Tuesday, July 8, 2014
Alphecca Stellar siblings with different futures Saturday, June 28, 2014
Moon and Antares The amazing fate of a giant star Wednesday, June 11, 2014
Moon and Spica Two stars with big futures Sunday, June 8, 2014
Moon and Regulus A stellar whirling dervish Tuesday, June 3, 2014
Rasalhague A preview of coming attractions Saturday, May 17, 2014
Moon and Spica Violent scenarios for a binary star Sunday, May 11, 2014
Moon and the Scorpion Doomed stars in the scorpion Thursday, April 17, 2014
Mirzam Revving up a celestial dog Tuesday, January 28, 2014
Moon and Antares A bubbly stellar supergiant Wednesday, September 11, 2013
Twinkling Jewels Up-and-down stars in the northern crown Thursday, May 30, 2013
Close Companions A black hole devours a companion Monday, May 20, 2013
Moon and Regulus Putting the squeeze on a star Saturday, March 23, 2013
The Bull’s Horns The Moon takes the bull by the horns Monday, March 18, 2013
Adhara Another impressive “dog” star Saturday, March 2, 2013
Alcyone Spinning up a bright young star Wednesday, February 27, 2013
Moon and Regulus A different kind of star system Sunday, February 24, 2013
Procyon A pair of stellar light bulbs Friday, February 22, 2013
Crimson Star An aging but colorful star Sunday, February 3, 2013
Pollux Younger but “older” than the Sun Wednesday, January 16, 2013
More Sirius A stellar weight-loss program Sunday, December 30, 2012
The Footstool A footstool for the hunter Friday, December 28, 2012
Capella Bright stars with a bright future Thursday, December 6, 2012
Menkar A constellation with a case of the big head Sunday, November 18, 2012
R Trianguli Turmoil at the end of a star’s life Sunday, November 4, 2012
Triangulum Aging stars in the triangle Saturday, November 3, 2012
Halloween Star II A stellar cannibal for Halloween Wednesday, October 31, 2012
White-Dwarf Planets II Dead stars consume dead planets Wednesday, October 17, 2012
Deneb Algedi Deciphering the tale of an aging star Sunday, October 14, 2012
Contact Binaries II Stirring up the family dynamics Thursday, August 16, 2012
The Scorpion’s Tail The scorpion’s dynamic stinger Saturday, July 21, 2012
Vega A star that spins in a hurry Monday, July 9, 2012
Faint But Steady Stars that are faint but long-lived Thursday, July 5, 2012
Serpens Piecing together a celestial snake Saturday, May 12, 2012
Capella A quick exit for a “heavy” star Friday, April 27, 2012
Venus and Aldebaran The demise of a star and planet Sunday, April 8, 2012
Moon, Saturn, and Spica A stellar weight-loss plan Friday, March 9, 2012
Moon and Antares Outshined by a flashy sibling Tuesday, February 14, 2012
White Dwarfs Squeezing the heart of a dead star Wednesday, February 1, 2012
More Moon and Companions An exciting future for a pair of stars Monday, December 19, 2011
Moon and Pleiades A big, bright stellar family Thursday, December 8, 2011
Betelgeuse A superstar among supergiants Thursday, December 1, 2011
Beta Pegasi Taking a look into the future Wednesday, November 30, 2011
Rarae Aves II Dancing with the firebird Tuesday, November 29, 2011
Saturn Nebula A pair of “Saturns” in the night sky Sunday, November 13, 2011
Alpha Persei A young but aging star Saturday, October 8, 2011
Moon and Aldebaran Looking at the Sun’s bright future Sunday, September 18, 2011
Sagitta Arrowing into the autumn season Sunday, September 4, 2011
61 Cygni Possible homes for neighbors Saturday, August 13, 2011
Moon and Antares Different stars, different lives Tuesday, May 17, 2011
Alphard Getting dumped on by a neighbor Sunday, April 24, 2011
Moon and Spica Stirring up two stellar companions Sunday, April 17, 2011
Moon and Pleiades "Flashy" sisters in the evening sky Wednesday, April 6, 2011
NGC 4361 Sculpting a beautiful stellar corpse Sunday, April 3, 2011
Gienah A young-but-old star Saturday, April 2, 2011
Mira A wonderful but doomed star Sunday, November 14, 2010
Ages of Stars Counting stellar birthday candles Wednesday, October 27, 2010
Vega Crowning the evening sky Saturday, September 4, 2010
Moon and Aldebaran A star that's changing in a hurry Thursday, July 8, 2010
Cat's Eye Nebula Sculpting a celestial work of art Thursday, June 24, 2010
Ring Nebula Blowing bubbles around a dying star Wednesday, June 9, 2010
Alkaid Getting a handle on the Big Dipper Sunday, May 9, 2010
Hercules Clusters Relics of the early universe Wednesday, May 5, 2010
Denebola The lion's impressive tail Wednesday, March 10, 2010
Pyxis Pointing the way to the compass Saturday, March 6, 2010
Youthful Oldies Rejuvenation in an old star cluster Thursday, March 4, 2010
Moon and Regulus The Moon and the lion's "regal" heart Saturday, February 27, 2010
Unicorn Stars Impressive stars for the unicorn Wednesday, February 24, 2010
Moon and Spica Building a stellar recycling center Wednesday, February 3, 2010
Menkalinan Stars with a strong attraction Sunday, January 31, 2010
Magnesium Ready for a dose of magnesium Wednesday, January 20, 2010
Capella A pair of stellar brothers Tuesday, December 22, 2009
Delta Capricorni Sweeping past a busy star system Monday, December 7, 2009
Future Sun A glimpse of the Sun's future Tuesday, November 10, 2009
Moon and Regulus A fountain of youth for a bright star Monday, November 9, 2009
Alpha and Beta Aquarii Rare lights in Aquarius Friday, October 23, 2009
Capella Twin stars that are getting old in a hurry Wednesday, October 14, 2009
More Moon and Antares Two stars that'll shed some weight Thursday, September 24, 2009
Eagle in the Balance Holding the eagle in balance Wednesday, September 9, 2009
Altair A signal from the recent past Tuesday, September 8, 2009
Scorpius A family of stellar showoffs Monday, July 27, 2009
Moon and Antares Looking for a star that may not be there Friday, July 3, 2009
Moon and Scorpius A headful of stars for the scorpion Friday, June 5, 2009
Rasalhague A preview of coming attractions Sunday, May 31, 2009
M5 A giant family of old stars Tuesday, May 12, 2009
M3 A great view of the Milky Way Monday, May 11, 2009
Moon and Antares Peeling back the layers of a star Sunday, April 12, 2009
Moon and Regulus A famous star gets ready to shine Sunday, April 5, 2009
Moon and Gemini The Moon and some puffy stars Thursday, April 2, 2009
Vindemiatrix A star with an intoxicating name Tuesday, March 17, 2009
Bear's Tail The "end" of the great celestial bear Sunday, March 1, 2009
Bear's Leg The bear's faint leg Saturday, February 28, 2009
Sirius B The dead companion of a bright neighbor Friday, January 9, 2009
Sirius Turning up the heat Wednesday, January 7, 2009

Featured Images

Cat's Eye Nebula from Hubble Space Telescope
Colorful Demise Friday, August 29, 2014
Diagram comparing sizes of Sun, Aldebaran
Giant Eye Monday, July 21, 2014
Infrared view of Betelgeuse
Messy Star Friday, April 12, 2013
Infrared/ultraviolet view of Helix Nebula
Colorful Demise Tuesday, October 23, 2012
Planetary nebula R Leporis
Stellar Twister Thursday, October 11, 2012
H-R Diagram
Stellar Plot Saturday, July 7, 2012
Beams of light shine through the Egg Nebula
Stellar Headlights Tuesday, May 1, 2012
The Saturn Nebula, NGC 7009, as seen by Hubble Space Telescope
Saturn Simulacrum Sunday, November 13, 2011
The Necklace Nebula, the remains of a dying star in Sagittarius
Ring of Fire Monday, August 15, 2011
Ultraviolet image of the region around the Ghost of Jupiter Nebula
Astronomical Ghost Sunday, October 31, 2010
Dust Storm Friday, April 2, 2010
Battle of the Clusters Monday, October 13, 2008
Catty Star Thursday, July 31, 2008
Holding Together Friday, March 16, 2007
Big Blast, Big Universe Thursday, February 22, 2007
Last Hurrah Saturday, February 17, 2007
Colorful Cocoon Tuesday, January 16, 2007
Clearing Out the Neighborhood Tuesday, January 9, 2007
Cosmic Bauble Wednesday, December 6, 2006
Bad Neighbor Saturday, December 2, 2006
Galactic Fireworks Tuesday, November 28, 2006
Star Power Monday, November 20, 2006
Popping Off Friday, October 27, 2006
Dark Beauty Friday, April 7, 2006
Magnetic Buffer Tuesday, February 7, 2006
An Eye on the Helix Wednesday, January 11, 2006
Dog and Pup Show Thursday, January 5, 2006


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