The Southwest Research Institute-led Polarimeter to Unify the Corona and Heliosphere (PUNCH) mission collected its first images following its March 11 launch into polar orbit around Earth. The mission’s four small suitcase-sized spacecraft will act as a single virtual instrument 8,000 miles across to image the solar corona, the sun’s outer atmosphere, as it transitions into the solar wind that fills and defines our solar system.
“Wet lava ball” exoplanet may have an atmosphere, evidence shows
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