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Dark Energy

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NASA Completes Heart of Roman Space Telescope’s Primary Instrument

Framework for NASA’s Roman Spacecraft Moves to Goddard Clean Room

Goddard Team Builds, Tests Calibrator for NASA’s Roman in Record Time

Sanetra Bailey – The Brains Behind the Brains of the Roman Mission

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New results from NASA Galaxy Evolution Explorer and the Anglo-Australian Telescope atop Siding Spring Mountain in Australia confirm that dark energy is a smooth, uniform force that now dominates over the effects of gravity.

A panelist sits behind a long, illuminated desk in front a video wall featuring NASA's Nancy Grace Roman Space Telescope during a NASA news conference.

A panelist sits behind a long, illuminated desk in front a video wall featuring NASA's Nancy Grace Roman Space Telescope during a NASA news conference.

A rocket lifts off from a coastal launch pad, sending bright flames and a plume of white smoke across the ground.

A panelist sits behind a long, illuminated desk in front a video wall featuring NASA's Nancy Grace Roman Space Telescope during a NASA news conference.

A rocket lifts off from a coastal launch pad, sending bright flames and a plume of white smoke across the ground.

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