Skip to Main Content

Astrophysics Topics

  • Leftover Instruments Will Pave Way for New Propulsion Test

    1999April 6, 2011

    Well understood and well used scientific insturments will help verify a new instrument as they all fly on JAWSAT.

  • Countdown to Discovery

    1999April 6, 2011

    Martin Weisskopf, Project Scientist for NASA's newest Great Observatory - the Chandra X-ray Observatory- talks about the upcoming July 20 launch, astronomy, cosmology, and our beautiful and surprising universe.

  • Peering into the violent universe

    1999April 6, 2011

    Tests prove approach for a new gamma-ray telescope. The design will compete against others in Washington today.

  • Happy birthday, Magnetars

    1999April 6, 2011

    20 years ago today, the first blast of gamma-rays from these enigmatic objects was first observed. Ever since, scientists have been unraveling what happened - and discovering radical new members of the cosmos.

  • The End of Days

    1999April 6, 2011

    Alerted by a supernova patrol, scientists have used NASA's Chandra X-ray Observatoryto capture a rare glimpse of X-radiation from the early phases of a supernova. Although more than a thousand supernovae have been observed by optical astronomers, the early X-ray glow from the explosions has been detected in less than a dozen cases.

  • Stellar nurseries for baby planets

    1999April 6, 2011

    Dramatic new Hubble images show vast stellar disks where planets are born.

  • GOTCHA! The Big One That Didn't Get Away

    1999April 6, 2011

    For the first time, images of visible light from a cosmic explosion are captured by a robotic telescope while spectacular gamma-ray data are captured by orbiting satellites.

  • April's Lyrid Meteor Shower

    1999April 6, 2011

    The oldest known meteor shower peaks this week on Thursday morning, breaking a 3 month lull in meteor activity.

  • The Sagan Criteria for Life Revisited

    1999April 6, 2011

    Would we know life if we saw it? What is essential to life, and what is just characteristic of life as we know it? Organic compounds seem to be a key, and they are turning out to be more common than was once expected.

  • Answer to Gamma-ray Burstsremains elusive

    1999April 6, 2011

    Eight years ago today NASA launched the Compton Gamma Ray Observatory. While the CGRO has revolutionized our understanding of cosmic gamma ray bursts, these distant explosions remain one of the biggest mysteries of modern astrophysics.