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News Release Archive:

News Release 31 of 1045

January 28, 2016 03:00 PM (EST)

News Release Number: STScI-2016-04

Monstrous Cloud Boomerangs Back to Our Galaxy

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Image: Size of Smith Cloud on the Sky

Size of Smith Cloud on the Sky

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ABOUT THIS IMAGE:

This composite image shows the size and location of the Smith Cloud on the sky. The cloud appears in false-color, radio wavelengths as observed by the Robert C. Byrd Green Bank Telescope in West Virginia. The visible-light image of the background star field shows the cloud's location in the direction of the summer constellation Aquila. The cloud is 15 degrees across in angular size — the width of an outstretched hand at arm's length. The apparent size of the full moon is added for comparison.

Object Names: Smith Cloud, Milky Way

Image Type: Astronomical/Illustration

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

Image Credit: B. Saxton and F. Lockman (NRAO/AUI/NSF), and A. Mellinger

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