Posts Tagged ‘black hole’

  • Ancient hole, black hole
    Ancient hole, black hole

    A new report on the ancient universe shows that most galaxies – even all of them – had a black hole at the center, much like modern galaxies. We can understand why a black hole would need to be surrounded by millions of stars, but why should galaxies require black holes?


    Thursday, June 16th, 2011
  • Year of astronomy: More reasons to love stars!
    Year of astronomy: More reasons to love stars!

    400 years ago, Galileo discovered the moons of Jupiter. We discover water from 11 billion years ago, volcanoes at Titan, a moon of Saturn, and good reasons to shun light pollution.


    Sunday, January 25th, 2009
  • What’s behind the claims that the new particle accelerator in Europe may create black holes that could destroy the Earth? Should we be worried?

    When the Large Hadron Collider starts running this summer near Geneva, Switzerland, some physicists have predicted that some of its high-energy proton collisions could produce microscopic black holes. Concerned about the ramifications of such black holes, two men filed a lawsuit in March in Hawaii contending that safety concerns have been inadequately addressed at the [...]


    Monday, August 18th, 2008
  • A Bar in the Galaxy! Milky Way’s secret spot

    Think you know the Milky Way, our home galaxy? Think again. There’s a large bar at the center, and it’s open for business. It might even be feeding a black hole… Meet the newest galactic doo-dad…


    Thursday, August 18th, 2005
  • Hubble
    Space Astronomy’s Coolest Pix

    In astronomy, it helps to get above it all. Three cool orbiting telescopes are collecting visible, infrared and X-ray light. We ogle their greatest hits.


    Thursday, May 5th, 2005
  • X-Ray Astronomy #2: It’s Results Time!

    Chandra, the X-ray astronomy telescope, is three years old. We ogle some of its greatest hits. Caution: These bangs are BIG!


    Thursday, September 5th, 2002
  • Space Telescope Gets Fixed

    Hubble Space Telescope is fixed, will add to history of discovery. Get a gander of galaxies, quasars, gamma ray sources, and other greatest hits of the greatest spyglass.


    Thursday, March 21st, 2002
  • X-Ray Astronomy: Chandra’s Mission

    X-ray astronomers will study black holes, neutron stars and dark matter with the orbiting Chandra telescope. Like explosions? Then you gotta love X-ray astro!


    Friday, August 6th, 1999


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