News tagged with emissions

First flights for CO2-detecting lidar

Nearly two decades of NASA technology investment in lidar systems and two-micron transmitters has resulted in a new capability for remotely measuring the carbon dioxide (CO2) levels in Earth's atmosphere. NASA has developed ...

dateJan 30, 2017 in Environment
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Radio weak blazars

A blazar is a galaxy whose central nucleus is bright at wavelengths from the low energy radio band to high energy gamma rays (each gamma ray photon is over a hundred million times more energetic than the X-rays seen by the ...

dateJan 30, 2017 in Astronomy
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