NASA Ames
@NASAAmes
We're NASA's center in Silicon Valley.
加入 July 2008
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Bursting in (galactic) air 🌟
Glittering here like a cosmic firework is N44, a unique and complex nebula captured by @NASAHubble. One of its most distinctive features is a dark, starry gap—a “superbubble”—spanning about 250 light-years wide.
Though not actually bursting, the hole is something of a mystery to astronomers: Stellar winds may have driven the gas away or expanding supernovae could’ve created the cosmic cavern.
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