Sagittarius, the Archer

Sagittarius is one of the most interesting regions of the sky. The center of our Milky Way galaxy lies inside Sagittarius, about 26,000 light-years away. The constellation also contains several globular clusters — tightly packed collections of hundreds of thousands of stars. Its brightest stars form the shape of a teapot, and the constellation slides low across the southern sky of summer.


Sagittarius, the Archer Sagittarius, the archer, slides low across the...

Radio Programs

Messier 22 “Discovering” an ancient star cluster Monday, August 24, 2015
Sagittarius Steaming up the center of the galaxy Wednesday, August 12, 2015
Survivor The heart of the galaxy stays quiet Monday, January 12, 2015
Distant Hub Looking into the past of our home galaxy Tuesday, September 30, 2014
Panhu A country that’s gone to the dogs Saturday, August 30, 2014
Construction Zone A busy construction zone around a star Monday, August 11, 2014
Dark Center Darkness in the heart of the galaxy Tuesday, July 29, 2014
Old Family Looking into an old stellar family Saturday, July 26, 2014
Messier Clusters Logging star clusters in Sagittarius Friday, July 25, 2014
Sagittarius A steaming teapot in the southern sky Thursday, July 24, 2014
Star Names The language of the stars Saturday, September 14, 2013
M18 A faint cluster with a bright pedigree Sunday, August 25, 2013
Water Carriers Starry vessels in the midnight sky Thursday, August 8, 2013
Sagittarius A teapot in the southern sky Monday, July 22, 2013
Molecule Factory Whipping up some complex molecules Tuesday, November 13, 2012
Summer Markers Two summer stalwarts disappear Sunday, October 21, 2012
Summer Delights Bright delights in the summer sky Sunday, July 15, 2012
Milky Way’s Heart Taking a peek at a busy downtown Monday, September 26, 2011
Scorpius Nova A bright stellar merger Monday, August 29, 2011
M7 A bright but distant star cluster Sunday, August 28, 2011

Featured Images

Two views of Messier 22
Stellar Sparkler Monday, August 24, 2015
Artist's concept of hot gas funneling toward black hole at center of Milky Way
Dark Center Tuesday, July 29, 2014
A view of the busy Milky Way
Busy Galaxy Thursday, July 24, 2014
Multispectral view of giant star-forming regions at the center of the Milky Way
Molecule Factory Tuesday, November 13, 2012
The Lagoon Nebula, M8, from the European Southern Observatory
Pink Lagoon Thursday, July 26, 2012
The star cluster M7
Aging Family Sunday, August 28, 2011


©2015 The University of Texas McDonald Observatory