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Magic Bubble - NGC 7635
Away in the constellation of Cassiopeia some 7,100 light-years from Earth, a star 40 times more massive than our Sun is blowing a giant bubble of its own material into space. Inside its magic blue sphere, the gigantic star burns at blue flame intensity - rendering a 6 light year wide envelope of hot gas around it that’s expanding outward at a speed of 4 million miles per hour..
Texas-Sized Computer Finds Most Massive Black Hole in Galaxy M87
PASADENA, Calif. — Astronomers Karl Gebhardt (The University of Texas at Austin) and Jens Thomas (Max Planck Institute for Extraterrestrial Physics) have used new computer modeling techniques to discover that the black hole at the heart of M87, one the largest nearby giant galaxies, is two to three times more massive than previously thought.Weighing in at 6.4 billion times the Sun’s mass, it is the most massive black hole yet measured with a robust technique, and suggests that the accepted black hole masses in nearby large galaxies may be off by similar amounts. This has consequences for theories of how galaxies form and grow, and might even solve a long-standing astronomical paradox.
Originally posted by Virion
For all you Carl Sagan "Cosmos" fans, they are playing episodes of the show on the Discovery Science Channel quite frequently.
Today would have been Carl Sagan's 75th birthday. His life and work were monumental in astronomy and public outreach, and he had a profound influence on many people. I count myself among those who say they might not be where they are today were it not for Carl Sagan. Reading his books such as "Cosmos" and "Demon Haunted World" broadened my horizons when I needed it most. One of my favorite books of all time is "Pale Blue Dot" which really puts everything in perspective..