CME hits Earth and causes a 20 nT bang, sparks G1-class Geomagnetic storm today
NASA has a full suite of instruments to measure solar activity that affects Earth. The Solar and Heliospheric Observatory or SOHO is one of the premier instruments that is used by NASA and ESA. Launched in 1995, SOHO is equipped with 12 scientific instruments, such as an Extreme Ultraviolet Imaging Telescope (EIT), Michelson Doppler Imager (MDI), LASCO (Large Angle and Spectrometric Coronagraph), and others. SOHO captures images of the sun's corona, measures the velocity and magnetic fields of the sun's surface, and…