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  • Radio JOVE

    May 22, 2000

    Jupiteris a source of powerful radio bursts that can produce exotic sounds on ham radio receivers. NASA scientists are helping students tune in to the giant planet as part of an innovative educational program called Radio JOVE. This story includes sample sounds from Jupiterand explains how to join the Radio JOVE observing network.

  • AsteroidsHave Seasons, Too

    June 21, 2000

    Earth isn't the only world where seasons are changing this week. Millions of miles from our planet, southern winter is giving way to spring on asteroid 433 Eros. As the Sun rises over the south pole of Eros, instruments on NASA's NEAR-Shoemaker spacecraft will catch a glimpse of never-before-seen terrain.

  • A Big Moon Close Up

    May 23, 2000

    On May 20, 2000, NASA's Galileo spacecraft flew 808 km above the surface of our solar system's largest moon, Ganymede.

  • Solar Cinema

    Jan. 20, 2000

    The Solar -Heliospheric Observatory recorded a beautiful solar prominence on January 18.

  • June's Invisible Meteors

    June 6, 2000

    During the next week thousands of Meteorswill streak through the sky, but don't expect to see many. They are the Arietid and zeta Perseid Meteors-- the most intense daytime meteor showers of the year. For many meteor enthusiasts, the best way to enjoy the show could be by listening to meteor echoes on a ham or common FM radio.

  • Back to the Future on Mars

    July 28, 2000

    In 2003, NASA plans to launch a relative of the now-famous 1997 Mars Pathfinder rover. Using drop, bounce, and roll technology, this larger cousin is expected to reach the surface of The Red Planetin January 2004 and begin the longest journey of scientific exploration ever undertaken across the surface of that alien world.

  • Contrary Thermometers

    July 21, 2000

    Scientists are working to understand why the lower atmosphere isn't heating up as fast as some global warming models predict. The atmosphere appears to be more complex than computer simulations that researchers use to understand our planet's climate.

  • New Evidence for an Alien Ocean

    Aug. 28, 2000

    Fluctuations in the magnetic field surrounding Jupiter's moon Europa are a telltale sign of salty liquid water beneath the moon's icy crust. Europa could harbor the solar system's largest ocean.

  • Bright Planets and Random Meteors

    Sept. 28, 2000

    This week's new Moon sets the stage for a sporadic meteor show featuring a cast of eye-catching stars and planets. Random Meteorsare most numerous this time of year in the northern hemisphere.

  • Earth's Fidgeting Climate

    Oct. 20, 2000

    Is human activity warming the Earth or do recent signs of climate change signal natural variations? In this feature article, scientists discuss the vexing ambiguities of our planet's complex and unwieldy climate.