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Astrophysics - Stars Topics

  • Once in a Blue Moon

    1999April 6, 2011

    As February winds down with no full moon at all, sky watchers are looking forward to two full moons in March and the second Blue Moon of 1999.

  • Scientists drawn to midday darkness near Transylvania

    1999April 6, 2011

    Serious eclipse science is planned near home of legendary monster.

  • A Close Encounter with Jupiter

    1999April 6, 2011

    This weekend the Solar System's largest planet will be brighter and nearer to Earth than at any time in the past 12 years. It's easy to see with a telescope or binoculars, or even with the naked eye!

  • High Noon at the North Pole

    1999April 6, 2011

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

  • Interplanetary Christmas

    1999April 6, 2011

    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.

  • Chandra Takes X-ray Image of Repeat Offender

    1999April 6, 2011

    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.

  • Here Come the Perseids!

    1999April 6, 2011

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

  • Fading embers hold clues to puzzle of gamma-ray bursts

    1999April 6, 2011

    Sometimes the big fireworks aren't the whole show. Watching the embers fade away can help you understand what was hidden by a blinding flash of light - or gamma rays. In a paper accepted for publication in Astrophysical Journal Letters, astrophysicists report that an afterglow can start during a gamma-ray burst, thus suggesting that more than one activity is causing what appears to be a chaotic explosion.

  • AXAF Mirrors Near Midpoint of Tests

    1997April 6, 2011

  • Gamma-ray BurstsThought to be from Edge of Universe

    1997April 6, 2011