Supernovae and Nebulae
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PistonHeads
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ASTRONOMY
Supernovae and Nebulae
Crab Nebula
Ancient stargazers' cosmic explosion still lights up the night sky
9 days ago
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What key feature of the Crab Nebula links it to the supernova observed in 1054 C.E.?
It is a newly formed star cluster unrelated to any supernova.
It is a nebula formed from the gradual cooling of a gas cloud, not an explosion.
It is the remnant of the supernova explosion recorded by ancient astronomers.
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Johnbarrow
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ASTRONOMY
Supernovae and Nebulae
Crab Nebula
A thousand-year-old stellar explosion still powers a cosmic lighthouse in Taurus
9 days ago
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What is the primary source of energy that powers the Crab Nebula's glowing and dynamic structure?
Residual heat from the original supernova explosion
The pulsar wind generated by the rapidly spinning neutron star at its center
Continuous fusion reactions occurring within the nebula's gas clouds
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ASTRONOMY
Supernovae and Nebulae
Crab Nebula
A cosmic explosion witnessed by ancient civilizations still lights up our skies today
10 days ago
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Why is the Crab Nebula uniquely significant among supernova remnants?
It is the largest nebula visible from Earth with the naked eye.
It was discovered by William Parsons in the 19th century without any prior observations.
It is the first supernova remnant directly linked to a historically recorded supernova explosion.
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