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Picture Album: Hubble's Largest Galaxy Portrait Offers a New High-Definition View

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Hubble Heritage: Dedicated to finding the most visually appealing images from the Hubble Telescope

Hubble's Largest Galaxy Portrait Offers a New High-Definition View
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About This Image

This giant spiral disk of stars, dust and gas is 170,000 light-years across, or nearly twice the diameter of our Milky Way galaxy. M101 is estimated to contain at least one trillion stars. About 100 billion of them could be similar to our Sun.

Credit for Hubble Image: NASA, ESA, K. Kuntz (JHU), F. Bresolin (University of Hawaii), J. Trauger (Jet Propulsion Lab), J. Mould (NOAO), Y.-H. Chu (University of Illinois, Urbana), and STScI

Credit for CFHT Image: Canada-France-Hawaii Telescope/ J.-C. Cuillandre/Coelum

Credit for NOAO Image: G. Jacoby, B. Bohannan, M. Hanna/ NOAO/AURA/NSF

Learn more on the Hubble Heritage website Get supporting picture information including original images, caption and facts, and astronomer biographies. Learn more in NewsCenter HubbleSite's NewsCenter is the place to find the story behind this image, along with its original news release and all related images.