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The ultimate purpose of PUNCH is to use its four instruments — three wide-field imagers (WFI) and a near-field imager (NFI) — to isolate features found within the solar wind. This is because one of ...
Comet SWAN25F is speeding toward the Sun for a dangerously close approach ... In order to view the comet, look toward the star Alpha Andromedae, the brightest star of the four points that make ...