Comet Hyakutake blazes in X-rays
Article Abstract:
Astronomers who pointed the German X-ray Roentgen Satellite at Comet Hyakutake were surprised by a brilliant x-ray emission, since no x-rays had ever before been detected from a comet. One theory is that solar x-rays interacting with water molecules in the comet produced the emission.
Publication Name: Science
Subject: Science and technology
ISSN: 0036-8075
Year: 1996
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Could stellar ash revise cosmic ages?
Article Abstract:
The discovery that ash from the core of a star reaches its surface layers has cast new light on the estimated ages of stars. Astronomer Allen Sweigart has made computations that could lower the estimated age of globular clusters in the Milky Way.
Publication Name: Science
Subject: Science and technology
ISSN: 0036-8075
Year: 1996
User Contributions:
Comment about this article or add new information about this topic:
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