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Lifecycle of Stars


Cosmic Beacons May 21, 2010

Radio Programs

Life of the Sun Our constantly changing Sun December 9, 2017

Blue Snowball Lighting up a blue snowball October 26, 2017

Moon and Aldebaran The beginning of the end for a bright star October 8, 2017

Feedback Slowing down the stellar birth rate September 8, 2017

Making a Star Stages in the birth of a star September 7, 2017

Sakurai’s Object A “rebirth” for a dying star August 13, 2017

Alpha Lupi A bright star with a brighter future July 7, 2017

Cor Caroli Twins with different life expectancies March 25, 2017

More Lepus Revving up a massive star January 29, 2017

More Fornax Drinking from the fountain of youth January 20, 2017

Moon and Regulus Learning about a familiar star January 14, 2017

Moon and Aldebaran Things get complicated for a star September 20, 2016

Moon and Aldebaran Big, fluffy, bright, and orange July 1, 2016

Arcturus Extra pounds cut billions of years June 12, 2016

Lepus Bounding past the hunter’s feet February 6, 2016

Procyon The revenge of the scrawny January 23, 2016

Aludra The showiest “dog” star of all January 13, 2016

Alpha Persei A young star ages in a hurry October 8, 2015

Rare Gems Yellow gems from the water bearer October 2, 2015

Luminous Red Novae One star born from two September 2, 2015

Quick Change A star that’s changing in a hurry August 7, 2015

Moon and Aldebaran Similar but different lights near the Moon August 6, 2015

Magnetars Powering up some strong magnets August 4, 2015

Future Outbursts Setting up future outbursts July 23, 2015

Small but Bright Tiny stars put on brilliant displays June 15, 2015

Two Ways to Die Two ways to make a supernova June 14, 2015

Rising Serpent Piecing together a celestial snake May 15, 2015

Alphard A long but barren constellation March 22, 2015

M3 Reinvigorating some old stars March 16, 2015

Beta Cassiopeia Watching a star puff up February 27, 2015

Bright Paw The big dog’s brilliant paw February 12, 2015

Beta Monocerotis A brilliant set of triplets February 9, 2015

Alhena The bright foot of a celestial twin December 27, 2014

Rara Avis II Dancing with the firebird November 29, 2014

Moon and Regulus Keeping an old star looking young September 19, 2014

EQ Pegasi A pair of juvenile stellar neighbors September 11, 2014

M15 A fading family of ancient stars September 10, 2014

Great Square The above-average stars of the Great Square September 8, 2014

Rasalhague The head of the serpent bearer September 6, 2014

Cat’s Eye Nebula The true nature of a glowing cat’s eye August 28, 2014

Alpha Lacertae A star with a bright profile August 27, 2014

Doomed Planets Doomed planets around a dying star August 23, 2014

Sigma Scorpii Impressive stars near the scorpion’s heart August 8, 2014

Dumbbell Nebula A blaze of color for a dying star July 11, 2014

Moon and Antares Siblings that age at different rates July 7, 2014

Alphecca Stellar siblings with different futures June 27, 2014

Moon and Antares The amazing fate of a giant star June 10, 2014

Moon and Spica Two stars with big futures June 7, 2014

Moon and Regulus A stellar whirling dervish June 2, 2014

Rasalhague A preview of coming attractions May 16, 2014

Moon and Spica Violent scenarios for a binary star May 10, 2014

Moon and the Scorpion Doomed stars in the scorpion April 16, 2014

Mirzam Revving up a celestial dog January 27, 2014

Moon and Antares A bubbly stellar supergiant September 10, 2013

Twinkling Jewels Up-and-down stars in the northern crown May 29, 2013

Close Companions A black hole devours a companion May 19, 2013

Moon and Regulus Putting the squeeze on a star March 22, 2013

The Bull’s Horns The Moon takes the bull by the horns March 17, 2013

Adhara Another impressive “dog” star March 1, 2013

Alcyone Spinning up a bright young star February 26, 2013

Moon and Regulus A different kind of star system February 23, 2013

Procyon A pair of stellar light bulbs February 21, 2013

Crimson Star An aging but colorful star February 2, 2013

Pollux Younger but “older” than the Sun January 15, 2013

More Sirius A stellar weight-loss program December 29, 2012

The Footstool A footstool for the hunter December 27, 2012

Capella Bright stars with a bright future December 5, 2012

Menkar A constellation with a case of the big head November 17, 2012

R Trianguli Turmoil at the end of a star’s life November 3, 2012

Triangulum Aging stars in the triangle November 2, 2012

Halloween Star II A stellar cannibal for Halloween October 30, 2012

White-Dwarf Planets II Dead stars consume dead planets October 16, 2012

Deneb Algedi Deciphering the tale of an aging star October 13, 2012

Contact Binaries II Stirring up the family dynamics August 15, 2012

The Scorpion’s Tail The scorpion’s dynamic stinger July 20, 2012

Vega A star that spins in a hurry July 8, 2012

Faint But Steady Stars that are faint but long-lived July 4, 2012

Serpens Piecing together a celestial snake May 11, 2012

Capella A quick exit for a “heavy” star April 26, 2012

Venus and Aldebaran The demise of a star and planet April 7, 2012

Moon, Saturn, and Spica A stellar weight-loss plan March 8, 2012

Moon and Antares Outshined by a flashy sibling February 13, 2012

White Dwarfs Squeezing the heart of a dead star January 31, 2012

Featured Images

Sakurai's Object

Flashy Star August 13, 2017

Visible and infrared image of Ring Nebula

Blowing Bubbles June 15, 2017

False-color image of the Boomerang Nebula, which is being created by a dying star

Cold Death June 7, 2017

Planetary nebula known as the Eskimo Nebula

Cyclops? November 29, 2015

Jets from a protostar in Serpens

Huffing and Puffng November 6, 2015

Hubble view of NGC 7662, a planetary nebula

Blue Snowball September 30, 2015

The Southern Owl Nebula, the last gasp of a dying star

Perfect Bubble August 5, 2015

Abell 78, a planetary nebula

Last Round July 28, 2015

Cat's Eye Nebula from Hubble Space Telescope

Colorful Demise August 29, 2014

Diagram comparing sizes of Sun, Aldebaran

Giant Eye July 21, 2014

Infrared view of Betelgeuse

Messy Star April 12, 2013

Infrared/ultraviolet view of Helix Nebula

Colorful Demise October 23, 2012

Planetary nebula R Leporis

Stellar Twister October 11, 2012

H-R Diagram

Stellar Plot July 7, 2012

Beams of light shine through the Egg Nebula

Stellar Headlights May 1, 2012

The Saturn Nebula, NGC 7009, as seen by Hubble Space Telescope

Saturn Simulacrum November 13, 2011

The Necklace Nebula, the remains of a dying star in Sagittarius

Ring of Fire August 15, 2011

Ultraviolet image of the region around the Ghost of Jupiter Nebula

Astronomical Ghost October 31, 2010

Dust Storm April 2, 2010