Lifecycle of Stars


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

Radio Programs

Lepus Bounding past the hunter’s feet Saturday, February 6, 2016
Procyon The revenge of the scrawny Saturday, January 23, 2016
Aludra The showiest “dog” star of all Wednesday, January 13, 2016
Eskimo Nebula Seeing the face of a dying star Sunday, November 29, 2015
Capella A little goat crosses the sky Sunday, November 15, 2015
Pleiades II Taking a census of a star cluster Tuesday, November 10, 2015
More Planetary Nebulae Works of art from dying stars Wednesday, November 4, 2015
Planetary Nebulae A ghostly planetary doppelganger Tuesday, November 3, 2015
Stellar Death Different ways for a star to die Monday, November 2, 2015
Alpha Persei A young star ages in a hurry Friday, October 9, 2015
Rare Gems Yellow gems from the water bearer Saturday, October 3, 2015
Luminous Red Novae One star born from two Thursday, September 3, 2015
Quick Change A star that’s changing in a hurry Saturday, August 8, 2015
Moon and Aldebaran Similar but different lights near the Moon Friday, August 7, 2015
Magnetars Powering up some strong magnets Wednesday, August 5, 2015
Future Outbursts Setting up future outbursts Friday, July 24, 2015
Small but Bright Tiny stars put on brilliant displays Tuesday, June 16, 2015
Two Ways to Die Two ways to make a supernova Monday, June 15, 2015
Rising Serpent Piecing together a celestial snake Saturday, May 16, 2015
Alphard A long but barren constellation Monday, March 23, 2015
M3 Reinvigorating some old stars Tuesday, March 17, 2015
Beta Cassiopeia Watching a star puff up Saturday, February 28, 2015
Bright Paw The big dog’s brilliant paw Friday, February 13, 2015
Beta Monocerotis A brilliant set of triplets Tuesday, February 10, 2015
Alhena The bright foot of a celestial twin Sunday, December 28, 2014
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

Featured Images

Planetary nebula known as the Eskimo Nebula
Cyclops? Sunday, November 29, 2015
Jets from a protostar in Serpens
Huffing and Puffing Friday, November 6, 2015
Hubble view of NGC 7662, a planetary nebula
Blue Snowball Wednesday, September 30, 2015
The Southern Owl Nebula, the last gasp of a dying star
Perfect Bubble Wednesday, August 5, 2015
Abell 78, a planetary nebula
Last Round Tuesday, July 28, 2015
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


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