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News Release Archive:

News Release 53 of 964

November 14, 2013 11:00 AM (EST)

News Release Number: STScI-2013-45

Hubble Reveals First Scrapbook Pictures of Milky Way's Formative Years

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Image: Artist's Illustration of the Present and Early Milky Way

Artist's Illustration of the Present and Early Milky WaySTScI-PRC2013-45b Artist's Concept

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ABOUT THIS IMAGE:

What a difference 11 billion years makes, as can be seen in these two comparative views of our Milky Way galaxy. The top view shows how our galaxy looks today; the bottom view, how it appeared in the remote past. This photo illustration is based on a Hubble Space Telescope survey of evolving Milky Way-type galaxies.

[Top View] — The current night sky is dominated by the white glow of myriad middle-aged stars along the lane of the Milky Way. Interstellar "pollution" from thick dust lanes can be seen threading through the long band of stars. They are interspersed with a few pinkish emission nebulae from ongoing star formation. Thousands of stars appear as pinpoints of light throughout the sky.

[Bottom View] — This is an imaginary view of our young Milky Way as it may have appeared 11 billion years ago, as seen from the surface of a hypothetical planet. The night sky looks markedly different than the view today. The Milky Way's disk and central bulge of stars are smaller and dimmer because the galaxy is in an early phase of construction. The heavens are ablaze with a firestorm of new star formation, seen in the pinkish nebulae glowing from stars still wrapped inside their natal cocoons. The handful of stars visible in the night sky are blue and bright because they are young.

The graphic of today's Milky Way was based on an all-sky image from Axel Mellinger and the Finkbeiner all-sky H-alpha survey. The illustration of the early Milky Way was constructed from the all-sky image from Axel Mellinger and Robert Gendler's image of the M33 galaxy.

Image Type: Illustration

Credit: NASA, ESA, and Z. Levay (STScI)

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Artist's Illustration of the Present Milky Way Image Type: Illustration Artist's Illustration of the Present Milky Way Artist's Concept Artist's Illustration of the Early Milky Way Image Type: Illustration Artist's Illustration of the Early Milky Way Artist's Concept

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