Star Clusters

A grouping of the same types of astronomical objects. For example, stars in the Milky Way can group together into open clusters or globular clusters. Galaxies also group together into cluster of galaxies, and the clusters of galaxies group together into superclusters of galaxies.

Radio Programs

Outcast Star A stellar outcast in the Big Dipper Tuesday, July 22, 2014
Moon and Antares Siblings that age at different rates Tuesday, July 8, 2014
Serpens South Young stars that are hidden from view Tuesday, June 24, 2014
Disappearing Cluster An evaporating star cluster Monday, June 2, 2014
Messier 3 Tracking down false comets Wednesday, May 28, 2014
Hercules Cluster A starry realm without night Tuesday, May 27, 2014
Globular Clusters Stellar neighborhoods where it never gets dark Monday, May 26, 2014
Galactic Archaeology Digging into the history of the galaxy Monday, March 24, 2014
Castor Rare sextuplets among the stars Saturday, March 1, 2014
Rosette Nebula A colorful stellar birthplace Friday, February 28, 2014
NGC 2264 Lighting up a stellar nursery Wednesday, February 26, 2014
Evening Clusters Star clusters for the charioteer Sunday, January 19, 2014
Escaped Star A star that escaped from its nest Friday, November 29, 2013
Merging Stars Two stars that become one Saturday, October 5, 2013
The Coathanger Gazing deep into a coat hanger Thursday, September 26, 2013
M18 A faint cluster with a bright pedigree Sunday, August 25, 2013
M4 An ancient city of stars Sunday, August 4, 2013
Megrez Holding together the Big Dipper Saturday, July 27, 2013
M13 Some bright stellar mysteries Sunday, May 19, 2013
Hercules The strongman strides across the night sky Saturday, May 18, 2013
Keeping Tabs Keeping an eye on a fuzzy foot Wednesday, May 8, 2013
Star Factory A massive factory for making stars Thursday, May 2, 2013
Coma Star Cluster Golden tresses and glistening stars Thursday, April 18, 2013
Moon in Taurus Drawing some stellar pictures Saturday, April 13, 2013
The Beehive Brightening up a meager constellation Friday, February 15, 2013
Double Cluster Sparkling stellar jewels Sunday, February 10, 2013
Nowhere to Hide Hiding in plain sight Thursday, January 31, 2013
M31’s Central Cluster Bright stars around a galaxy’s dark heart Tuesday, January 29, 2013
M35 A crowded stellar neighborhood Friday, January 18, 2013
M2 A distant home for old stars Sunday, January 6, 2013
Mirfak The hero’s brightest star Monday, October 29, 2012
Capricornus The edge of the celestial sea Friday, October 12, 2012
M11 A flock of young stars Thursday, August 9, 2012
Galactic Nests Keeping the chicks close to the nest Sunday, July 22, 2012
Family Breakup A stellar family breaks up Friday, June 8, 2012
Hercules Cloud Piling up stars in the outer galaxy Thursday, May 24, 2012
Hercules Cluster A crowded “city” of stars Wednesday, May 23, 2012
Cosmic Clocks The ticking of cosmic clocks Thursday, April 12, 2012
Alien Clusters Alien visitors from other galaxies Friday, March 23, 2012
Moon and Taurus The Moon and two stellar families Tuesday, February 28, 2012
Moon and Hyades Staring into the face of the bull Thursday, January 5, 2012
M15 Debating a medium-sized black hole Saturday, October 22, 2011
Alpha Persei Cluster Tracing a galactic cataclysm Sunday, October 9, 2011
Milky Way’s Heart V Youngsters at the heart of the Milky Way Friday, September 30, 2011
Milky Way’s Heart II A sky-spanning marquee of stars Tuesday, September 27, 2011
M2 An ancient family of stars Saturday, September 17, 2011
Serpens Splitting up a faint constellation Wednesday, September 14, 2011
M7 A bright but distant star cluster Sunday, August 28, 2011
TW Hydra Watching some stellar infants Monday, April 25, 2011
Cancer A famous but faint constellation Saturday, March 12, 2011
M46 and M47 Two prominent "families" of stars Saturday, February 26, 2011
Moving Dipper A stellar family spreads out Friday, February 25, 2011
NGC 1502 A necklace for the celestial giraffe Thursday, January 6, 2011
Ages of Stars Counting stellar birthday candles Wednesday, October 27, 2010
CTB 102 A giant but hidden stellar nursery Wednesday, July 28, 2010
Immigrant Clusters Invaders from other galaxies Wednesday, July 7, 2010
Mizar and Alcor Galloping across the northern sky Saturday, June 19, 2010
Hercules Clusters II Skies full of old stars Thursday, May 6, 2010
Hercules Clusters Relics of the early universe Wednesday, May 5, 2010
Youthful Oldies Rejuvenation in an old star cluster Thursday, March 4, 2010
Arches Cluster A crowded stellar neighborhood Friday, September 25, 2009
Cygnus OB2 Lighting up some dark clouds Wednesday, August 26, 2009
M4 A nearby family of old stars Thursday, July 30, 2009
M5 A giant family of old stars Tuesday, May 12, 2009
M3 A great view of the Milky Way Monday, May 11, 2009
Quick Birth A quick birth for giant planets Wednesday, March 18, 2009
The Big Dog A constellation with a bite Saturday, January 31, 2009

Featured Images

Infrared view of Serpens South star cluster and nebula
Unmasking Hidden Stars Tuesday, June 24, 2014
M44, the Beehive Cluster
Vanishing Beehive Monday, June 2, 2014
NGC 3590
Young and Future Stars Thursday, May 22, 2014
Close-up of the core of M31
M31 Blues Tuesday, January 29, 2013
Hubble Space Telescope view of globular cluster M2
Stars Galore Sunday, January 6, 2013
Omega Centauri, the possible core of a defunct galaxy
Invader! Friday, March 23, 2012
Two globular clusters; a previously known one at right, and a new one in circle
Star City Wednesday, October 19, 2011
The star cluster M7
Aging Family Sunday, August 28, 2011
A "family" of young stars shows off in this combined infrared and X-ray view of
Big Family Friday, May 14, 2010
Hercules, the strongman, climbs into good view on May evenings
Not-So-Mighty Hercules Monday, May 3, 2010
Youthful Oldies Thursday, March 4, 2010
Festival of Stars Friday, December 18, 2009
Crowded Neighborhood Thursday, July 30, 2009
Planetary Nursery Wednesday, March 18, 2009
Dog Stars Saturday, January 31, 2009
Battle of the Clusters Monday, October 13, 2008
Home of the Whoppers Friday, July 11, 2008
Glob of Stars Wednesday, May 28, 2008
Turn on the Lights Tuesday, January 29, 2008
Globs of Stars Wednesday, June 13, 2007
Open With a Pair Monday, May 7, 2007
Holding Together Friday, March 16, 2007
Galactic Fireworks Tuesday, November 28, 2006
Popping Off Friday, October 27, 2006
Stellar Family Friday, August 18, 2006
Home of the Giants Friday, June 9, 2006
Starry Skies Saturday, April 15, 2006

Resources

Aquarius Thanks to its position in the zodiac, not to...
Cancer, the Crab Although it is one of the constellations of the...

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