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  • Horseflies and Meteors

    Aug. 7, 2002

    Like bugs streaking down the side window of a moving car, colorful Perseid Earthgrazers could put on a remarkable show before midnight on August 12th and 13th.

  • A Cold New World

    Oct. 7, 2002

    Astronomers using the Hubble Space Telescope have measured a distant world more than half the size of Pluto. It's the biggest object found in our solar system since the discovery of Pluto itself 72 years ago.

  • Auroras Underfoot

    July 8, 2002

    A group of Astronautswill never forget the day they flew right through a cloud of auroras while onboard the Space ShuttleAtlantis.

  • The Resurgent Sun

    Jan. 18, 2002

    Evidence is mounting that some solar cycles are doubled-peaked. The ongoing solar maximum may itself be a double -- and the second peak has arrived.

  • The Distant Sun

    July 2, 2002

    Earth reaches its greatest distance from the Sun (aphelion) during the 4th of July holiday weekend. Curiously, our planet is globally warmer when it is farther from the Sun.

  • Ice Continent on the Move

    March 22, 2002

    For the first time, radar satellites have mapped Antarctica, revealing a continent whose frozen cloak is in constant (and surprising) motion.

  • How AstronautsGet Along

    Oct. 21, 2002

    Astronautshave a cool demeanor and good people-skills, but six months in a tiny spaceship with the same crewmates can drive anyone to distraction.

  • Space StationSupernova

    Aug. 28, 2002

    Next week, sky watchers in many US cities can see the Space Stationmaterialize in the morning sky just before sunrise.

  • The Real Lord of the Rings

    Feb. 12, 2002

    Four hundred years after they were discovered, Saturn's breath-taking rings remain a mystery

  • Meteorsfrom the Twilight Zone

    Dec. 9, 2002

    The Geminid meteor shower, which peaks this year on Saturday morning, Dec. 14th, has begun. These Meteorscome from a curious object--a "Twilight Zone" cross between a comet and an asteroid--called 3220 Phaethon.