NASA officials announced that the agency will contribute 16 infrared detectors and four extras to the European Space Agency's Euclid mission to study the universe's mysterious dark energy. The Euclid space telescope will launch in 2020 and spend six years studying nearly 2 billion galaxies. NASA's partnership also includes the nomination of 40 members for the Euclid Consortium. NASA has been planning its own $1.5 billion dark energy mission, though it is unlikely the telescope would launch before the Euclid.
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