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1999

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  • Galileo Takes a Closer Look at Io

    Aug. 27, 1999

    NASA has released new high resolution pictures of Jupiter's volcanic moon captured during Galileo's closest flyby since 1995.

  • Finding the 'smoking gun' before it fires

    March 9, 1999

    Scientists discover a new tool for predicting solar explosions, improving Space Weatherpredictions for storms that may affect Earth.

  • Decrypting the Eclipse

    Aug. 6, 1999

    On August 11, scientists around the world will attempt to solve a 45 year mystery: Does a solar eclipse somehow affect the Foucault pendulum?

  • Y2K Meteor Burst

    Dec. 28, 1999

    One of the most intense and least observed annual meteor showers peaks on the morning of Jan. 4, 2000. The Quadrantids will be the first major meteor display of the New Year. Follow the shower at Quadrantids.com.

  • Solar flares show their true colors

    June 2, 1999

    New research points to a common mechanism for spectral behavior in Solar Flares.

  • Io's Alien Volcanoes

    Oct. 4, 1999

    Scientists are eager for a closer look at the solar system's strangest and most active volcanoes when Galileo flies by Io on October 11. This article explores what we know about volcanism on Io and what researchers hope to learn from next week's daring encounter.

  • Chandra will target the age of the Universe

    Feb. 22, 1999

    Astronomers plan to combine radio images of galaxy clusters with new data from the Chandra X-ray Observatoryand open a new window on the history of the Universe.

  • After three decades of study, Gamma-ray Burstsstill mystify

    Oct. 18, 1999

    Over the last three decades, Gamma-ray Burstshave been one of the most mysterious phenomena in astrophysics. In preparation for next week's 5th biennial Huntsville Gamma Ray Burst Symposium, Science@NASA caught up with Dr. Gerald Fishman for an interview about bursts and the symposium.

  • A Close Encounter with Jupiter

    Oct. 22, 1999

    This weekend the Solar System's largest planet will be brighter and nearer to Earth than at any time in the past 12 years. It's easy to see with a telescope or binoculars, or even with the naked eye!

  • Fuzzy blobs hold the secret of gamma-ray bursts

    Feb. 10, 1999

    Astronomers have released a new Hubble photograph of a gamma-ray burst's fading optical counterpart. The relic fireball appears to be embedded in a faint, irregular galaxy.