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  • Meteorsby Moonlight

    Jan. 5, 1999

    Meteor watching in 1999 began with a whimper, but it could end with a bang. Prospects for viewing "falling stars" in 1999.

  • This week's gamma-ray blast is the latest in a 30-year tale of cosmic discovery

    Jan. 29, 1999

    With new discoveries coming at an ever-quickening pace, scientists review the history of this new branch of Astrophysicsand its implications for understanding our universe.

  • Shake, Rattle, and Zoom

    May 4, 1999

    Two NASA scientists developed VISAR, a new imaging technology, to help the FBI with a crime scene video. VISAR eliminates jitter, adjusts for inadvertent zoom, and brightens dark shots. VISAR will soon be available to help anyone improve their home, or professional video.

  • A low-gravity "Gift for the future"

    Feb. 19, 1999

    Scientists discuss results from the US MicrogravityPayload 4, which flew on the Space Shuttlelast year. Highlights include Microgravitycrystal growth experiments and low-gravity fluid dynamics.

  • Io or Bust

    Sept. 16, 1999

    NASA's Galileo spacecraft flies by Callisto today in an orbital maneuver designed to send the craft hurtling towards an encounter with the volcanic moon Io. Getting there won't be easy. The spacecraft has to survive extreme radiation from Jupiter's inner magnetosphere before it can rendezvous with Io later this year.

  • Powerful plants have changed the world

    May 10, 1999

    Biologists conducting Space Shuttleexperiments may be one step closer to shedding light on the biggest power booster on the planet: a protein in green plants called Photosystem I.

  • There Goes the Sun

    Aug. 5, 1999

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

  • Galaxies in Collision

    July 15, 1999

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

  • Dodging pitfalls in the hunt for the cause of gamma-ray bursts

    Oct. 21, 1999

    At the GRB conference this week, scientists discuss how to avoid making mistakes while searching for the solution to a big astrophysical mystery - What causes gamma-ray bursts?

  • Meet Conan the Bacterium

    Dec. 14, 1999

    A radiation-resistant microbe could play a major role in Martian exploration. First, it can help scientists determine the best locations to seek life on Mars. Later, it may help keep Astronautshealthy and then reshape Mars for colonists.