The Sun was brighter when it was dimmer?

Please consider donating to Behind the Black, by giving either a one-time contribution or a regular subscription, as outlined in the tip jar to the right or below. Your support will allow me to continue covering science and culture as I have for the past twenty years, independent and free from any outside influence.

The science is settled? According to one scientist’s data, the Sun actually brightened in visible wavelengths during the ramp down from solar maximum to minimum in 2004-2007 — the exact opposite to what was expected — while dropping in the ultraviolet four times more than predicted.


Leave a Reply

Your email address will not be published. Required fields are marked *