Mars infrared laser project

New Scientist covers NASA‘s planned Mars-Earth communication by infrared laser. The Mars Telecommunications Orbiter will transmit an infrared laser with a wavelength of 1.06 microns from a 0.3-meter telescope. The tough part is picking up that signal on Earth. Even with a spread of a few hundred kilometers and clear skies the aim would have to be very accurate or the data could be lost. The laser will undergo a design review early next year.
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