Questions tagged [herschel-space-telescope]

The Herschel Space Telescope was an ESA/NASA joint project to study some of the distant gas formations, seeking to understand the formation of galaxies. It operated from 2009-2013 and was placed into a heliocentric orbit and shut down.

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Why did the Herschel Space Telescope need helium coolant?

Inspired by answering this question The Wikipedia entry says this On 29 April 2013, ESA announced that Herschel's supply of liquid helium, used to cool the instruments and detectors on board, had ...
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Where did the Herschel Space Telescope go in 2013?

The Herschel space telescope wins as largest optical telescope mirror in space when "optical" includes far infrared (~55 µm). The Wikipedia article Herschel Space Observatory lists the orbit as ...