Crab Nebula

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  • noun

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a remnant of a supernova detected first in 1054 AD

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In visible light, the Crab Nebula consists largely of filaments with ionized gases of temperature ~ 10 - 100 times higher than ionosphere and density ~ 1 - 1000 times lower than ionosphere.
The Crab Nebula is the remnant of a supernova which exploded in the 11th century.
The Crab Pulsar in the geocentric centre of the Crab Nebula (M1) rotates at approximately 30 revolutions per second and produces rapid fluctuations in intensity as the E-M beam sweeps across Earth.
Crab Nebula is of the opinion that satellites should be seen and not heard," said a local gas giant.
The first spectroscopic observation of the Crab Nebula made by V.
Another telescopic target worth searching out is the first object in the famous Messier catalogue, M1, common name The Crab Nebula, the crab is located near the lower horn in the constellation of Taurus the bull.
The nova on Sep 18, produced hard X-rays with energies above 10,000 electron volts or several thousand times that of visible light when it reached an intensity equal to that of the famous Crab Nebula, a supernova remnant that serves as a calibration target for high-energy observatories and is considered as one of the brightest sources beyond the solar system at these energies.
11 In which 1970s sci-fi did five orphans and their guardian robot, 7-Zark-7 battle a lipstick-wearing maniac from the Crab Nebula and his flying robots?
Among the topics featured are water in the solar system, supernova remnants at high energy, the Crab Nebula, evolution of debris disks, and nuclear activity in nearby galaxies.
They have found that the Crab Pulsar - a rotating neutron star at the heart of the Crab Nebula, loved by stargazers around the world - is shedding energy at an alarming rate.
Conversation with Professor John C Brown orbits around black holes, lunar eclipses, gamma rays, Hale Bop, the Crab Nebula and Deuchar's IPA.
Scientists are baffled by emissions of radio energy from the Crab Nebula, the remains of an exploded star 6,300 light years from Earth.
37 In which constellation can you see the Crab Nebula, believed to be a remnant of a supernova seen in 1054AD?
As he accepted the award for best featured actor in a play, Al Mancini, from Camelot Artists' ``Time of Your Life,'' concluded his speech by thanking ``the near and the near great who live on the Great Crab Nebula.
The celestial Crab nebula, in the constellation Taurus, is the debris of a supernova observed in 1054 and the source of strong radio waves.