Crab Nebula

Noun

Meaning

a remnant of a supernova detected first in 1054 AD

Examples

But it's a million times brighter than the Crab nebula in our own galaxy, which is already massively bright. Source: Internet

At the centre of the Crab Nebula sits a super-dense neutron star, known as a pulsar. Source: Internet

Notes: Asymmetry The pulsar in the Crab nebula is travelling at 375 km/s relative to the nebula. Source: Internet

This was likely the first balloon-based detection of X-rays from a discrete cosmic X-ray source. citation High-energy focusing telescope The Crab Nebula is a remnant of an exploded star. Source: Internet

The discovery of the pulsar in the Crab Nebula late in 1968, with its 0.033-second period, ruled out all the other theories, leaving Gold and Pacini's theory as the only possible explanation. Source: Internet

However, the Crab Nebula appears as an X-ray source that is a central freely expanding ball of dilute plasma, where the energy content is 100 times the total energy content of the large visible and radio portion, obtained from the unknown source. Source: Internet

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