Even if ISRO has launched a spacecraft to Mars, the payload limit still stands in the way of taking full advantage of scientific interest on the ground. But apparently now isn’t the time to think about that…

The Richter scale describes the strength of earthquakes, and enough quakes have occurred across the spectrum of strengths for it to be well calibrated. On the Kp index scale, however, more occurrences of stronger and weaker flares are necessary for us to really know where each one sits on the scale.