Emission nebulae in the constellation Auriga. Emission nebulae (HII regions) are clouds of gas and dust which glow as hydrogen gas they contain is ionised by radiation from hot stars embedded in them. Seen here is the Flaming Star Nebula (IC 405,upper right) and IC 410 (lower left). IC 405 is illuminated by the bright star AE Aurigae,which is not associated with the nebula,but is merely passing through it. It lies around 1600 light years from Earth. IC 410 is illuminated by a cluster of young stars which formed from the coalescence of gas from the nebula,leaving dark holes in its structure | |
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Crédit: | Science Photo Library / Celestial Image Co. |
Taille de l’image : | 5120 px × 5120 px |
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