General astronomy

General astronomy

Industry: Astronomy

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General astronomy

Black hole

Astronomy; Galaxy

An extremely compact star which has collapsed by enormous gravitational pull to overcome electric and nuclear forces. Black holes are usually formed with stars much larger than the sun as they ...

Coronal hole

Astronomy; General astronomy

An area in the sun's corona that appears dark when viewed in the far UV or in the long-wavelength x-ray range. Coronal holes are believed to be associated with fast solar winds having their field ...

Meteor

Astronomy; General astronomy

A small body of matter from outer space that enters the earth's atmosphere, appearing as a streak of light.

The complete developmental stages in the lifetime of a star from its formation out of gas and dust to the time when its nuclear fuel is exhausted. Based on this stellar evolution model, the Sun is at ...

Corona

Astronomy; General astronomy

The outermost layer of the sun´s atmosphere which is extremely hot, up to 1-1.5 million degrees centigrade, and is the source of solar winds. The corona is only visible to the naked eye during a ...

Crab nebula

Astronomy; Galaxy

A cloud-like nebula observed in the Crab constellation which is the remnant of a supernova explosion observed in China in 1054. It contains a very young and rapidly spinning pulsar or the remnant of ...

Thirty metre Telescope (TMT)

Astronomy; General astronomy

The Thirty metre Telescope will be the world's largest when it's finished in 2018, at the summit of Mauna Kea volcano in Hawaii. The telescope, known as TMT, will be able to observe planets that ...