The satellites, called PREFIRE, will measure the infrared radiation that enters and leaves the planet using a spectrometer instrument.
said that the two satellites will fly on separate Electron rockets from its launch pad in New Zealand in May 2024. The satellites will go into 525-kilometer circular orbits around the poles with specific angles that need dedicated launches. The satellites will also fly close together to do the mission, which Rocket Lab showed it can do with two similar launches in May this year.
The mission aims to fill a major gap in our understanding of the Arctic energy budget and the role of infrared radiation in Arctic warming, sea ice loss, ice sheet melt, and sea level rise. The satellites will make the first measurements of far infrared emissions, which are most of the energy that comes out of the polar regions, using a spectrometer that is based on an instrument that flew on a Mars orbiter.
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