The plan was risky and not guaranteed to work, but things are looking good for Euclid so far.
Euclids coldest mirror was heated from -232 to -171 degrees Fahrenheit (-147 to -113 Celsius).
And it worked like a charm!
An artist impression of ESA’s Euclid mission in space.Illustration: ESA
Almost immediately, we were receiving 15% more light from the Universe.
I was certain that we would see a considerable improvement, but not in such a spectacular way.
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