Picture Album: Stellar Fireworks Are Ablaze in Galaxy NGC 4449

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Stellar Fireworks Are Ablaze in Galaxy NGC 4449

About This Image

An interaction or merger with another galaxy probably triggered the rapid star formation in this small galaxy. The unusually explosive and intense star star-formation activity is called a starburst.

Credit: NASA, ESA, A. Aloisi (STScI/ESA), and The Hubble Heritage (STScI/AURA)-ESA/Hubble Collaboration

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