New stars ignite and heat up dust that glows with infrared light in this @NASAspitzer image: http://www.spitzer.caltech.edu/images/5981-sig14-026-Ring-of-Stellar-Fire …pic.twitter.com/zhXCHlTe28
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@NASAWebbTelescp@NASAspitzer "The galaxy is about 12 billion years old" - I like that!Thanks. Twitter will use this to make your timeline better. UndoUndo
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@NASAWebbTelescp@NASAspitzer the article does give some usefull new info(if one didn't know it before) . . .Thanks. Twitter will use this to make your timeline better. UndoUndo
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@NASAWebbTelescp@NASAspitzer . . . When galaxies are young and gas-rich, stellar bars drive gas toward the center, feeding star formation.Thanks. Twitter will use this to make your timeline better. UndoUndo
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@NASAWebbTelescp@NASAspitzer Over time, as the star-making fuel runs out, the central regions become quiescent and star-formation activityThanks. Twitter will use this to make your timeline better. UndoUndo
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@NASAWebbTelescp@NASAspitzer shifts to the outskirts of a galaxy.Thanks. Twitter will use this to make your timeline better. UndoUndo
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@NASAWebbTelescp@NASAspitzer There, spiral density waves and resonances induced by the central bar help convert gas to stars.Thanks. Twitter will use this to make your timeline better. UndoUndo
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