Hubble fängt das Gesicht der großartigen großen Spiralgalaxie ein

Das Hubble-Weltraumteleskopbild von NGC 3631, einer großen Designspirale, die sich etwa 53 Millionen Lichtjahre entfernt in Richtung des Sternbildes Großer Bär befindet. Bildnachweis: NASA, ESA, A. Filippenko (University of California – Berkeley), Dr. Sand (Universität von Arizona); Bildverarbeitung: c. Cooper (NASA Goddard/Katholische Universität von Amerika)

Dieses Bild stammt von[{” attribute=””>NASA’s

Close inspection of NGC 3631’s grand spiral arms reveals dark dust lanes and bright star-forming regions along the inner part of the spiral arms. Star formation in spirals is similar to a traffic jam on the interstate. Like cars on the highway, slower-moving matter in the spiral’s disk creates a bottleneck, concentrating star-forming gas and dust along the inner part of their spiral arms. This traffic jam of matter can get so dense that it gravitationally collapses, creating new stars (seen here seen in bright blue-white).

The image uses data collected from Hubble’s Wide Field Camera 3 and Advanced Camera for Surveys. The color blue represents visible wavelengths of blue light, and the color orange represents infrared light.

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