TSIS: Total and Spectral Solar Irradiance Sensor
In terms of climate change research, scientists need to understand the balance between energy coming in from the Sun and energy radiating out from Earth, as modulated by Earth's surface and atmosphere. That's why NASA is launching TSIS, the Total and Spectral Solar Irradiance Sensor. Find out more in this short narrated video.
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NASA's Goddard Space Flight Center