What is Nancy Grace Roman Space Telescope?

Astronomers have found that the expansion of the universe is speeding up. Dark energy is the name for the proposed form of energy behind this, acting on the universe's largest scales, and what it really is remains an open question. The Nancy Grace Roman Space Telescope is a NASA infrared space telescope meant to help answer basic questions about dark energy and to search for planets around other stars. It is designed to survey the universe a thousand times faster than the Hubble Space Telescope, and it reuses a 2.4-meter mirror donated by the National Reconnaissance Office.

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