NASA's In-Space Validation of Earth Science Technologies ("InVEST" for short) program has funded a team led by Lars Dyrud, a scientist at the Johns Hopkins University Applied Physics Laboratory in Laurel, Md., to develop a miniature instrument that will measure the amount of solar energy reflected by Earth and the amount emitted to space as infrared radiation or heat. The instrument will fly on APL's Multi-Mission Nanosatellite, a diminutive spacecraft known as a Cubesat, that measures only 4 inches wide and 13 inches long. A launch date has not been set; however, the mission expects to fly within three years.
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