the expanding shell of debris caused by the explosion of a supernova, which creates a nebula that radiates radio waves, X-rays, and light, for hundreds or thousands of years
supernova remnant in American English
noun
Astronomy
an expanding shell of gas, with accompanying strong radio and x-ray emissions, produced by a supernova
Examples of 'supernova remnant' in a sentence
supernova remnant
The distance (200 pc) and age (680 yr) of the supernova remnant, originally proposed, are supported.
Bernd Aschenbach 2013, 'RX-J0852−4622: THE NEAREST HISTORICAL SUPERNOVA REMNANT – AGAIN', Acta Polytechnicahttps://ojs.cvut.cz/ojs/index.php/ap/article/view/1921. Retrieved from DOAJ CC BY 4.0 (https://creativecommons.org/licenses/by-sa/4.0/legalcode)
This paper reviews the basic physics of supernova remnant shocks and associated particle acceleration and radiation processes.
Manami Sasaki 2013, 'GALACTIC AND EXTRAGALACTIC SUPERNOVA REMNANTS AS SITES OF PARTICLE ACCELERATION',Acta Polytechnicahttps://ojs.cvut.cz/ojs/index.php/ap/article/view/1918. Retrieved from DOAJ CC BY 4.0 (https://creativecommons.org/licenses/by-sa/4.0/legalcode)