Orion

Constellation

One of the most recognizable constellations, depicting a hunter flanked by two dogs, with a distinctive three-star belt.

Facts

TypeConstellation
Area of sky594 sq°
Brightest starRigel
Brightest star magnitudemag 0.13
HemisphereBoth
Zodiac constellationNo
Discovered150

Orion in context

A constellation is a pattern drawn on the sky rather than a physical grouping: its stars are usually unrelated and sit at wildly different distances, just lined up as seen from Earth.

Orion covers 594 square degrees of sky, which is 1.4 percent of the whole celestial sphere.

That makes it the 26th largest of the 88 constellations the International Astronomical Union recognises.

It sits in the both sky.

Its brightest star reaches magnitude 0.13, bright enough to pick out with the naked eye under a dark sky.

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