For instance, its outer atmosphere, the corona, appears to be hotter than ... As for the final part of PUNCH — the fourth member of the satellite constellation — DeForest explained that ...
The idea of flying satellites in "very" low-Earth orbit is not new. Dating back to the dawn of the space age in the late 1950s, the first US spy satellites, as part of the Corona program, orbited the ...
Emily Mason, a heliophysicist at San Diego-based research firm Predictive Science, and her colleagues observed coronal loops ...
Each mapping takes six months. The other mission launching on Friday is called PUNCH, a.k.a. the Polarimeter to Unify the Corona and Heliosphere. This satellite, made up of four smaller satellites ...