Jan 1, 2010

Vampires are Everywhere in the Universe

Vampires and collisions rejuvenate stars

23-Dec-2009: Using the NASA/ESA Hubble Space Telescope, astronomers have uncovered two distinct kinds of "rejuvenated" stars in the globular cluster Messier 30. A new study shows that both stellar collisions and a process sometimes called vampirism are behind this cosmic "face lift". The scientists also uncover evidence that both sorts of blue stragglers were produced during a critical dynamical event (known as "core collapse") that occurred in Messier 30 a few billion years ago.

Click on the title to read the entire article. Brought to you by Space Telescope

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