A European Space Agency far-infrared and submillimeter space telescope launched in 2009 and named for the astronomer William Herschel, who discovered infrared radiation. It carried the largest single mirror ever launched into space at the time, 3.5 meters across, and operated until 2013, when its supply of liquid helium coolant was exhausted.
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Source Wikipedia (space and spaceflight articles)
Source Wikipedia (space and spaceflight articles)
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1. Wikipedia (space and spaceflight articles)
Wikimedia FoundationOperated By: European Space Agency, Herschel Space Observatory
Operator: ESA / NASA
Operated By: NASA, Herschel Space Observatory
Operator: ESA / NASA
View the Source 2. Herschel Space Observatory (Wikipedia)
Herschel Space Observatory, Wikipedia - lead section, observing band (infrared)
It was active from 2009 to 2013, and was the largest infrared telescope ever launched until the launch of the James Webb Space Telescope in 2021.
Article text: start of operations
Herschel was launched in 2009.
In Group: Infrared Space Telescopes, Lead sentence
It was active from 2009 to 2013, and was the largest infrared telescope ever launched until the launch of the James Webb Space Telescope in 2021.
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