NASA SPARCS 立方衛星研究系外行星低質量M和 K 恆星閃焰
https://sparcs.asu.edu/ WIKI
https://en.wikipedia.org/wiki/SPARCSSPARCS (Star-Planet Activity Research CubeSat) is a small space telescope in the CubeSat 6U format (30x20x10 cm at launch) whose objective is to monitor the flares and sunspot activity of low-mass stars of M and K spectral type.