首页 > Blossary: Blossary About Astronomy
Self explanatory.

类别 Science

22 词条

Created by: david105722

Number of Blossarys: 3

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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; 分类: 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; 分类: General astronomy

Areas of the Sun's surface that are cooler than surrounding areas. The usually appear black on visible light photographs of the Sun. Sunspots are usually associated disturbances in the Sun's ...

Domain: Astronomy; 分类: General astronomy

The stage in a star's evolution where the core contracts and the star swells to about five hundreds times its original size. The star's temperature drops, giving it a red color.

Domain: Astronomy; 分类: General astronomy

The theory that suggests the universe is expanding but exists in a constant, unchanging state in the large scale. The theory states that new matter is being continually being created to fill the gaps ...

Domain: Astronomy; 分类: Astrometry

A large grouping of stars. Galaxies are found in a variety of sizes and shapes. Our own Milky Way galaxy is spiral in shape and contains several billion stars. Some galaxies are so distant the their ...

Domain: Astronomy; 分类: Astrometry

The lens at the viewing end of a telescope. The eyepiece is responsible for enlarging the image captured by the instrument. Eyepieces are available in different powers, yielding differing amounts of ...

Domain: Astronomy; 分类: Astrometry

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