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Astrophysics - Stars Topics

  • Galaxies in Collision

    1999April 6, 2011

    New images from the Hubble Space Telescope reveal an unprecedented number of colliding galaxies in a distant cluster 8 billion light years away.

  • There Goes the Sun

    1999April 6, 2011

    On the verge of solar maximum, the August 11, 1999 solar eclipse promises to dazzle millions in the path of totality.

  • Pop! Ping! Perseids!

    1999April 6, 2011

    The PerseidsLive! meteor balloon ruptured prematurely on its way to the stratosphere. Nevertheless, many observers on the ground were able to see and listen to Perseid meteors. This story includes RealVideo of the meteor balloon popping and an audio recording of a Perseid meteor radar "ping."

  • This Eclipse is History

    1999April 6, 2011

    A NASA scientist views the eclipse from the foothills of Transylvania, home of ancient legends and modern science. Includes video replays from NASA TV and an audio account of the eclipse as seen from Romania.

  • Snagging a High Fly Ball

    1999April 6, 2011

    On a balloon flight, scientists will attempt to capture particles from the stratosphere during the Perseids meteor shower, some possibly from the Perseids themselves.

  • Now you see it - now you don't

    1999April 6, 2011

    A prodigious eruption of X-rays from near the center of our Milky Way announces the latest round of activity in a binary star system containing a variable star and a compact object. It's put astronomers and observatories on the ground and in space hot on the trail of an object known as GM Sgr.

  • Cassini & Polar Join Forces to Study Earth

    1999April 6, 2011

    A bit of interplanetary luck allowed two separate space missions take advantage of each other's instruments Tuesday evening for coordinated measurements of Earth's magnetosphere.

  • Peering into the heart of a Crab

    1999April 6, 2011

    A brilliant ring around a cosmic powerhouse at the heart of the Crab Nebula will be revealed today in new images to be released from the Chandra X-ray Observatory. The Crab is one of the most beautiful - and most studied - bodies in the skies, and serves as a Rosetta Stone for modern astrophysics.

  • Surfing Magnetic Waves in the Solar Atmosphere

    1999April 6, 2011

    NASA Scientists announced today the results of dual-observations from the SOHO and Spartan satellites, describing how the solar wind achieves its high-speed of up to 500 miles per second - by "surfing" magnetic waves in the Sun's outer atmosphere.

  • Just Passing By Venus

    1999April 6, 2011

    The Moonwill skim by Venus for a dazzling sky show on June 16th.