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1999

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  • Galileo has a hot date with Io

    Oct. 8, 1999

    On October 10 NASA's Galileo spacecraft will execute a daring flyby of Jupiter's volcanic moon. This story includes newly released images of Io and information about the flyby.

  • Bringing Mars into the Iron Age

    March 3, 1999

    NASA scientists are developing ways to mine and process iron ore for energy production on Mars, creating technologies needed to support a human colony.

  • The Bouncing Baby Universe

    Sept. 27, 1999

    New research by astronomers using the Hubble Space Telescope indicates that the Universe is only 12 billion years old. This could revive the old paradox in Astrophysicsthat the Universe appears younger than some of the stars in it.

  • New Hubble images of the Red Planet

    July 1, 1999

    NASA and the Hubble Space Telescope Institute have released new images of Mars to commemorate the landing of Mars Pathfinder on July 4, 1997.

  • Taking the Scenic Route to Io

    June 30, 1999

    What's happening to the small craters on Callisto? That's the mystery scientists were contemplating as Galileo zoomed past Jupiter's pockmarked moon this morning in an orbit-changing maneuver designed to bring the spacecraft closer to volcanic Io.

  • Gamma-ray Burststo take center stage at international meeting

    Oct. 11, 1999

    More than 200 astronomers will gather to talk about gamma-ray bursts, one of the most mysterious and increasingly watched-for phenomena in the universe. The 5th Huntsville Gamma Ray Burst Symposium, to be held Oct 18-22 in Huntsville, Alabama, will have a wealth of new observations for discussions of bursts and how to study them.

  • Space Weathercamera set for launch in 2000

    Feb. 16, 1999

    A unique camera that will take some of the first pictures of Earth's invisible magnetic shield is being prepared for flight.

  • Heads Up!

    Nov. 10, 1999

    The upcoming Leonids meteor shower (Nov. 17-18) is expected to be the biggest in decades and perhaps for the next century. While we are safe on the ground, satellite operators are concerned that even small impacts could short-circuit satellites. NASA will coordinate a team that helps track changes in the shower that could be a storm.

  • Seasons of the Sun

    July 22, 1999

    By comparing several techniques and combining aspects of a couple of the best, scientists better predict the Sun's weather. Solar Weatheraffects our weather, satellites in orbit, electrical power systems, and radio and television communications.

  • Leonids on the Horizon

    June 22, 1999

    Experts make their predictions for the 1999 Leonid meteor shower.