Home > Blossary: Blossary About Astronomy
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Category: Science

19 Terms

Created by: david105722

Number of Blossarys: 3

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A supernova is a cataclysmic explosion caused when a star exhausts its fuel and ends its life. Supernovae are the most powerful forces in the universe. All of the heavy elements were created in ...

Domain: Astronomy; Category: General astronomy

Electromagnetic radiation of a very short wavelength and very high-energy. X-rays have shorter wavelengths than ultraviolet light but longer wavelengths than cosmic rays.

Domain: Astronomy; Category: General astronomy

A very small, white star formed when an average sized star uses up its fuel supply and collapses. This process often produces a planetary nebula, with the white dwarf star at its center.

Domain: Astronomy; Category: General astronomy

A scale used by astronomers to measure the brightness of a star or other celestial object. Visual magnitude measures only the visible light from the object. On this scale, bright objects have a lower ...

Domain: Astronomy; Category: General astronomy

Radiation zones of charged particles that surround the Earth. The shape of the Van Allen belts is determined by the Earth's magnetic field.

Domain: Astronomy; Category: General astronomy

An object orbiting in the Lagrange points of another (larger) object. This name derives from a generalization of the names of some of the largest asteroids in Jupiter's Lagrange points. Saturn's ...

Domain: Astronomy; Category: General astronomy

An expanding shell of gas ejected at high speeds by a supernova explosion. Supernova remnants are often visible as diffuse gaseous nebulae usually with a shell-like structure. Many resemble "bubbles" ...

Domain: Astronomy; Category: General astronomy

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