Question and answer
What is a pulsar? A. a star that is often eclipsed by another star B. a source of short, timed radio signals C. the remains of a detonated neutron star D. a star that starts and stops fusion rapidly
A pulsar is a star that starts and stops fusion rapidly.
Expert answered|may100|Points 2698|
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Asked 8/25/2013 8:52:56 AM
Updated 6/21/2014 11:06:55 AM
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This answer has been confirmed as correct and helpful.
Edited by jeifunk [6/21/2014 11:06:55 AM], Confirmed by jeifunk [6/21/2014 11:06:55 AM]
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How long do most gamma-ray bursts last? A. years B. 10 to 20 minutes C. a few seconds D. an hour
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Updated 10/2/2015 1:17:28 PM
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Most gamma-ray bursts can last for a few seconds.
Added 10/2/2015 1:17:28 PM
This answer has been confirmed as correct and helpful.
Confirmed by yumdrea [10/4/2015 1:28:48 PM]
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