Home > Blossary: Blossary About Astronomy
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Category: Science

19 Terms

Created by: david105722

Number of Blossarys: 3

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The apparent change in wavelength of sound or light emitted by an object in relation to an observer's position. An object approaching the observer will have a shorter wavelength (blue) while an ...

Domain: Astronomy; Category: Astrometry

The collapsed core of a massive star. Stars that are very massive will collapse under their own gravity when their fuel is exhausted. The collapse continues until all matter is crushed out of ...

Domain: Astronomy; Category: Astrometry

A glow in a planet's ionosphere caused by the interaction between the planet's magnetic field and charged particles from the Sun. This phenomenon is known as the Aurora Borealis in the Earth's ...

Domain: Astronomy; Category: Astrometry

A layer of gases surrounding a planet, moon, or star. The Earth's atmosphere is 120 miles thick and is composed mainly of nitrogen, oxygen, carbon dioxide, and a few other trace gases.

Domain: Astronomy; Category: Astrometry

The temperature at which the motion of all atoms and molecules stops and no heat is given off. Absolute zero is reached at 0 degrees Kelvin or -273.16 degrees Celsius.

Domain: Astronomy; Category: Astrometry

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