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Solar System Topics

  • 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.

  • Plate Tectonics on Mars?

    1999April 6, 2011

    NASA's Mars Global Surveyor has discovered surprising new evidence of past movement of the Martian crust, suggesting that ancient Mars was a more dynamic, Earth-like planet than it is today.

  • 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.

  • A Wild Ride in Search of Meteors

    1999April 6, 2011

    On April 11, NASA scientists successfully launched a weather balloon designed to capture meteoroids in the stratosphere. Video highlights from the flight include the sunset as seen from 80,000 ft. and eerie gurgling sounds caused by high altitude winds.

  • 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.

  • Hubble measures the expanding Universe

    1999April 6, 2011

    Scientists using the Hubble Space Telescope today announced that they have completed measurements needed to determine the age, size and fate of the Universe.

  • Sulfuric Acid Found on Europa

    1999April 6, 2011

    Sulfur from fiery volcanoes on Io may be responsible for a battery acid chemical on Europa with implications for astrobiology.