Supernova

Supernova

A gigantic explosion of a star. Supernovas occur when the inner part of a star collapses.

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Part of Speech: verb
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Industry/Domain: Astronomy
Category: General astronomy
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Related terms

supernova

Astronomy; General astronomy

A gigantic explosion of a star. Supernovas occur when the inner part of a star collapses.

supernova

Physics; Particle physics

When a star exhausts its nuclear fuel, it under goes a catastrophic collapse. The resulting explosion is known as a supernova. It often is brighter than an entire galaxy.

supernova

Science; General science

The catastrophic, explosive death of a star, accompanied by the sudden, transient brightening of the star to an optical luminosity comparable to that of an entire galaxy.

supernova

Astronomy; General astronomy

for Type II supernova: final huge mass-loss stage for a dying high-mass star where the outer layers are ejected during the core's collapse to form a neutron star. A Type I ...

supernova 2006gy

Science; General science

A supernova is a brilliant cosmic explosion marking the violent death of a star. These explosions are extremely bright, and in its final blaze of glory, the death of a single star ...

astronomical unit (AU)

Astronomy; General astronomy

Approximately equal to the mean earth-sun distance, which is about 150,000,000 km or 93,000,000 miles. Formally, the AU is actually slightly less than the earth's mean distance ...

celestial coordinates

Astronomy; General astronomy

Any system for locating the positions of objects on the celestial sphere. Various systems are defined, according to the chosen point of observation (the origin) and the plane of ...

distance modulus

Astronomy; General astronomy

The difference between the apparent magnitude of an object, m, corrected for *interstellar absorption, and its absolute magnitude, M. This difference is directly linked to the ...

luminosity class

Astronomy; General astronomy

A classification of stars according to their luminosity, which can vary widely for a given *spectral type. Luminosity class indicates, for example, whether a star is a supergiant, ...

asteroid

Astronomy; General astronomy

Any of the many small rocky or metallic objects in the Solar System, mostly lying in a zone (the asteroid belt) between the orbits of Mars and Jupiter; also known as a minor ...

elliptical galaxy

Astronomy; General astronomy

A type of galaxy with a smooth, featureless circular or elliptical appearance, no spiral arms, and little or no interstellar gas or dust; symbol E. Elliptical galaxies range from ...