NASA’s Roman and ESA’s Euclid Will Team Up to Investigate Dark Energy

The two missions will study this as-yet-unexplained phenomenon in complementary ways. A new space telescope named Euclid, an ESA (European Space Agency) mission with important contributions from NASA, is set to launch in July to explore why the universe’s expansion is speeding up. Scientists call the unknown cause of this cosmic acceleration “dark energy.” By …

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