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Crab Nebula

American

noun

Astronomy.

the remnant of a supernova explosion, observed in 1054 a.d., in the constellation Taurus.

Crab Nebula British

noun

the expanding remnant of the supernova observed in 1054 _ad , lying in the constellation Taurus at an approximate distance of 6500 light years

"Collins English Dictionary — Complete & Unabridged" 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012

Etymology

Origin of Crab Nebula

First recorded in 1885–90

Example Sentences

Examples are provided to illustrate real-world usage of words in context. Any opinions expressed do not reflect the views of Dictionary.com.

The Crab Nebula is the remnant of a supernova that appeared in 1054.

From Science Daily • Nov. 18, 2024

The Crab Nebula features a neutron star at its center that has formed into a 12-mile-wide pulsar pinwheeling electromagnetic radiation across the cosmos.

From Science Daily • Nov. 18, 2024

A theoretical astrophysicist from the University of Kansas may have solved a nearly two-decade-old mystery over the origins of an unusual "zebra" pattern seen in high-frequency radio pulses from the Crab Nebula.

From Science Daily • Nov. 18, 2024

As its rotational energy is used to excite the Crab Nebula year after year, the pulsar inside the nebula slows down.

From Textbooks • Oct. 13, 2016

Seventh-grade Ron had a birthmark shaped like a crab, which made me think of the Crab Nebula.

From "Schooled" by Gordon Korman

Definitions and idiom definitions from Dictionary.com Unabridged, based on the Random House Unabridged Dictionary, © Random House, Inc. 2023