Herschel - Universe Missions - NASA Jet Propulsion Laboratory
Herschel Space Observatory - Wikipedia
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Herschel Space Observatory
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ESA - Herschel overview
Herschel Space Observatory
Herschel reveals a ribbon of future stars – Astronomy Now
Herschel Space Observatory - Wikipedia
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World's Largest Infrared Space Telescope Shuts Down | Space
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Legacy of Herschel Space Observatory
Herschel telescope switched off - BBC News
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Herschel Space Observatory - Wikipedia
Herschel Space Observatory
