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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.


Radio Programs

Stolen Sedna A case of interstellar theft May 16, 2016

Messier 22 “Discovering” an ancient star cluster August 23, 2015

Sagittarius Steaming up the center of the galaxy August 11, 2015

Survivor The heart of the galaxy stays quiet January 11, 2015

Distant Hub Looking into the past of our home galaxy September 29, 2014

Panhu A country that’s gone to the dogs August 29, 2014

Construction Zone A busy construction zone around a star August 10, 2014

Dark Center Darkness in the heart of the galaxy July 28, 2014

Old Family Looking into an old stellar family July 25, 2014

Messier Clusters Logging star clusters in Sagittarius July 24, 2014

Sagittarius A steaming teapot in the southern sky July 23, 2014

Star Names The language of the stars September 13, 2013

M18 A faint cluster with a bright pedigree August 24, 2013

Water Carriers Starry vessels in the midnight sky August 7, 2013

Sagittarius A teapot in the southern sky July 21, 2013

Molecule Factory Whipping up some complex molecules November 12, 2012

Summer Markers Two summer stalwarts disappear October 20, 2012

Summer Delights Bright delights in the summer sky July 14, 2012

Milky Way’s Heart Taking a peek at a busy downtown September 25, 2011

Scorpius Nova A bright stellar merger August 28, 2011

M7 A bright but distant star cluster August 27, 2011

Featured Images

Two views of Messier 22

Stellar Sparkler August 24, 2015

Artist's concept of hot gas funneling toward black hole at center of Milky Way

Dark Center July 29, 2014

A view of the busy Milky Way

Busy Galaxy July 24, 2014

Multispectral view of giant star-forming regions at the center of the Milky Way

Molecule Factory November 13, 2012

The Lagoon Nebula, M8, from the European Southern Observatory

Pink Lagoon July 26, 2012

The star cluster M7

Aging Family August 28, 2011