News tagged with dwarf galaxies

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Milky way sidelined in galactic tug of war

(PhysOrg.com) -- The Magellanic Stream is an arc of hydrogen gas spanning more than 100 degrees of the sky as it trails behind the Milky Way's neighbor galaxies, the Large and Small Magellanic Clouds. Our ...

Sep 29, 2010
4.9 / 5 (14) 0 | with audio podcast

Origins of the Milky Way

(PhysOrg.com) -- According to current astronomical models, the Milky Way and other large galaxies formed over billions of years in a process that involved interactions between smaller galaxies, and in particular ...

Mar 19, 2010
4.7 / 5 (12) 10 | with audio podcast

Bully galaxy rules the neighborhood (w/ Video)

(PhysOrg.com) -- In general, galaxies can be thought of as "social" — hanging out in groups and frequently interacting. However, this recent NASA/ESA Hubble Space Telescope image highlights how some galaxies ...

Mar 04, 2010
4 / 5 (6) 0 | with audio podcast

Old star is 'missing link' in galactic evolution

(PhysOrg.com) -- A newly discovered star outside the Milky Way has yielded important clues about the evolution of our galaxy. Located in the dwarf galaxy Sculptor some 280,000 light-years away, the star has ...

Mar 03, 2010
4.8 / 5 (12) 4 | with audio podcast

Alien invaders pack the Milky Way

(PhysOrg.com) -- Around a quarter of the globular star clusters in our Milky Way are invaders from other galaxies, new research from Swinburne University of Technology (Australia) shows.

Feb 23, 2010
4.3 / 5 (15) 4 | with audio podcast