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Herschel Completes Its 'cool' Journey in Space

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Andromeda Galaxy

Andromeda, also known as M31, is the nearest major galaxy to our own Milky Way.

Credit: ESA/Herschel/PACS & SPIRE Consortium, O. Krause, HSC, H. Linz

The Herschel observatory, a European space telescope for which NASA helped build instruments and process data, has stopped making observations after running out of liquid coolant as expected.

From Jet Propulsion Laboratory/NASA
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