Solar system

Solar system

Entries in this category are all related to the solar system, or the sun and all of the planets and other small bodies that revolve around it.

Industry: Astronomy

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Solar system

A solar prominence is a large, bright feature, usually an eruption, extending outward from the Sun's surface. The precise cause of solar prominences is currently unknown. Prominences are anchored to ...

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 ...

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 ...

Alien particles

Astronomy; Galaxy

Space matters that make their way to the Earth from other parts of the galaxy outside of the solar system. The solar system inside the Milky Way is surrounded by the heliosphere which is the boundary ...

Solar energetic particles

Astronomy; Solar system

High energy particles emitted from active areas on the Sun from time to time, usually associated with solar flares and coronal mass ejections. The Earth's magnetic field keeps these particles out of ...

Space weather

Astronomy; Planetary science

Popular name for energy-releasing phenomena from the Sun and its effects on planetary systems. Space weather conditions can influence the performance and reliability of space-borne and ground-based ...

Gamma ray bursts (GRB)

Astronomy; Solar system

Short-lived sudden explosions of gamma-ray photons, the most energetic form of light. Lasting anywhere from a few milliseconds to several minutes, gamma-ray bursts shine hundreds of times brighter ...