A_stellar_fingerprint.jpg
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Summary
Description A stellar fingerprint.jpg |
English:
Showcased at the centre of this NASA/ESA Hubble Space Telescope image is an emission-line star known as IRAS 12196-6300.
Located just under 2300 light-years from Earth, this star displays prominent emission lines, meaning that the star’s light, dispersed into a spectrum, shows up as a rainbow of colours marked with a characteristic pattern of dark and bright lines. The characteristics of these lines, when compared to the “fingerprints” left by particular atoms and molecules, can be used to reveal IRAS 12196-6300’s chemical composition. Under 10 million years old and not yet burning hydrogen at its core, unlike the Sun, this star is still in its infancy. Further evidence of IRAS 12196-6300’s youth is provided by the presence of reflection nebulae. These hazy clouds, pictured floating above and below IRAS 12196-6300, are created when light from a star reflects off a high concentration of nearby dust, such as the dusty material still remaining from IRAS 12196-6300’s formation. |
Date | |
Source | http://www.spacetelescope.org/images/potw1609a/ |
Author |
ESA/Hubble & NASA Acknowledgement: Judy Schmidt (Geckzilla) |
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Annotations
InfoField
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This image is annotated: View the annotations at Commons |
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IRAS 12196-6300