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  • Here Come the Perseids!

    Aug. 11, 1999

    The 1999 Perseid meteor shower peaks on August 12th and 13th under the dark skies of a nearly new moon.

  • Astronomers get a special star for their Christmas tree

    Dec. 22, 1999

    Gamma-ray burst located, and viewed by several instruments simultaneously.

  • New Antarctic Ozone Data Released

    Oct. 6, 1999

    A NASA satellite has shown that the area of ozone depletion over the Antarctic is still large, but a bit less in 1999 than it was last year.

  • Spacelab joined diverse scientists and disciplines on 28 Shuttle missions

    March 15, 1999

    Spacelab, an integral part of science in space from 1982 through 1998, had some remarkable achievements. Scientists met at the National Academy of Sciences last week to present their - and Spacelab's - accomplishments.

  • Chandra Takes X-ray Image of Repeat Offender

    Oct. 8, 1999

    NASA's Chandra X-ray Observatoryhas imaged Eta Carinae, the Milky Way's most luminous star. This exploding star, which also has been imaged by the Hubble Space Telescope, is huffing and puffing its way to eventual self-destruction.

  • Interplanetary Christmas

    Dec. 24, 1999

    In an exclusive interview with Science@NASA, Santa discusses his plans for Christmas on future space colonies. The prospect of delivering presents throughout the solar system is, well, turning Santa's hair white.

  • Earth Day Education

    April 28, 1999

    Students in the Huntsville, Ala. area used a "ray gun" to measure temperature and launched a weather balloon to measure stratospheric ozone, getting a hands-on experience in how climate scientists monitor changes in our atmosphere.

  • SOHO Spies the Far Side of the Sun

    June 23, 1999

    An ingenious new technique for viewing the previously hidden side of the Sun could improve Space Weatherforecasting.

  • Relics of the Big Bang

    June 8, 1999

    When NASA's FUSE spacecraft launches later this month, scientists will gain a new tool to use in the search for the "fossil record" of cosmology.

  • High Noon at the North Pole

    June 21, 1999

    View images of this year's June solstice from both ends of the Earth.