NASA reported last year that “if anything,” the Sun contributed “a very slight overall cooling in the past 25 years.” Despite that many man-made global warming deniers will try tell you that it is because of sunspots that we are seeing so much global warming. Another major 2007 study on the Sun found that “over
The Earth’s upper atmosphere expands and contracts a bit naturally. But a recent record-breaking collapse has scientists confused.
Our Sun is experiencing the most prolonged period of minimal sunspot activity in nearly a century. The puzzling absence of these spots, whose build-up commonly signals the occurrence of large solar storms and flares, has space scientists and solar physicists searching for explanations.
ESA
