What could a ‘relativistic camera’ capture on the way to Alpha Centauri? ESA/NASA, CC BY

Observing the universe with a camera traveling near the speed of light

Observing the universe with a camera traveling near the speed of light What could a ‘relativistic camera’ capture on the way to Alpha Centauri? ESA/NASA,…

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The Jedi knights may help protect a galaxy far, far away, but our GEDI will help us study and understand forest changes right here on Earth. Credits: NASA

May the Forest Be With You: GEDI Moves Toward Launch to Space Station

May the Forest Be With You: GEDI Moves Toward Launch to Space Station A first-of-its-kind laser instrument designed to map the world’s forests in 3-D…

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Langley researchers, from left, Mulugeta Petros, Upendra Singh and Tamer Refaat inside the King Air B200 aircraft on which they recently tested a new triple-pulse lidar that can simultaneously and independently measure carbon dioxide and water vapor, two powerful greenhouse gases. Credits: NASA/David C. Bowman

Taking the Pulse of Greenhouse Gases

Taking the Pulse of Greenhouse Gases It can happen in a flash — airborne science, that is. Two hundred microseconds, to be exact. With lasers…

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