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Astrophysics - Stars Topics

  • 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.

  • Chandra image shows a powerful connection in the Crab Nebula

    1999April 6, 2011

    Another fabulous discovery from Chandra X-ray Observatoryshows a bright ring of fire around the pulsar at the heart of the Crab Nebula. Scientists believe this is a link between the Crab's powerhouse and its light show.

  • Peering through a Hole in the Sky

    1999April 6, 2011

    A team of NASA/Marshall scientists plan to investigate an unlikely 50-year old mystery during the August 11, 1999 total solar eclipse.

  • Why Wait for the 4th of July?

    1999April 6, 2011

    With the discovery of a bright optical flash during a gamma-ray burst in January 1999, and the advancement of observing technologies, it is now possible that amateur astronomers can make meaningful scientific contributions to the study of these enigmatic events. Find out how you can help in the quest to understand these distant objects, from the confines of your own back yard.

  • HERO will provide new view of X-ray universe

    1999April 6, 2011

    A new method for making high-energy x-ray optics may open the door for a new era of astrophysical observations.

  • Audio Eclipse May Fill the Sky

    1999April 6, 2011

    As the eclipse turns day into night over Europe on August 11, radio transmissions from near the path of totality may spread across the globe, due to ionospheric changes caused by the Moon's shadow. As a result, ham radio operators around the world can track the August 11, 1999 total solar eclipse by monitoring changes in atmospheric radio propagation.

  • Planetary Power Breakfast

    1999April 6, 2011

    With the advent of northern autumn, the dark morning sky is a sparkling showcase of bright planets and stars. Early October offers a special treat featuring the slender crescent Moon, brilliant Venus and blue-white Regulus.

  • Braking glitch may point to massive starquake

    1999April 6, 2011

    Scientists believe a sudden slowdown of a spinning neutron star is due to a massive starquake and a huge release of gamma-ray energy.

  • Don't Forget the Partial Eclipse!

    1999April 6, 2011

    North Americans could experience unusual shadow effects near sunrise on Aug. 11.

  • Chandra has a busy observing schedule

    1999April 6, 2011

    Dying magnetars, supernovae, and the future of the universe are on tap for NASA's Chandra X-ray Observatory, scheduled for launch July 20, 12:39 a.m. EDT.