This artist's concept illustrates a young, red dwarf star surrounded by three planets. NASA's Galaxy Evolution Explorer is helping to identify young, red dwarf stars that are close to us by detecting their ultraviolet light.
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Planets Under a Red Sun (Artist's Concept)

This artist's concept illustrates a young, red dwarf star surrounded by three planets. Such stars are dimmer and smaller than yellow stars like our sun, which makes them ideal targets for astronomers wishing to take images of planets outside our solar system, called exoplanets. NASA's Galaxy Evolution Explorer is helping to identify young, red dwarf stars that are close to us by detecting their ultraviolet light (stars give off a lot of ultraviolet light in their youth). Astronomers will use telescopes to try to image giant planets that orbit farther out from these stars, such as the one depicted here at lower left.

Image details

ID#:
PIA13994

Date added:
2011-04-07

Mission:
Galaxy Evolution Explorer (GALEX)

Spacecraft:
GALEX Orbiter

Rating:



Views:
6,446

Full-Res TIFF:
PIA13994.tif (18 MB)

Full-Res JPG:
PIA13994.jpg (0.29 MB)

Image credit:
NASA/JPL-Caltech