if incoming sunlight changes too fast, you could get a Snowball Earth,” says lead author Constantin Arnscheidt, a graduate student in MIT’s Department of Earth, Atmospheric and Planetary Sciences (EAPS). “What this highlights is the notion that there’s so much more...that we don’t know
about our own sun...
I suggest they rename the department Science of Atmospheric Planetary Studies (SAPS)...........
Things like heavily doping the atmosphere with sulphur compound aerosols?