The warmth of the sun on your face this morning began somewhere deep in the solar interior, where the energy producing it spent an estimated tens of thousands to hundreds of thousands of years working its way outward before crossing the eight-minute gap to Earth. That figure carries wide error bars. NASA’s overview of the [...] The post The warmth of the sun on your skin began its journey up to 100,000 years ago — bouncing through the solar interior for almost all of that time before the final 8-minute sprint to Earth, meaning the energy reaching you now started moving when humans were still living in caves. appeared first on Space Daily .
The warmth of the sun on your skin began its journey up to 100,000 years ago — bouncing through the solar interior for almost all of that time before the final 8-minute sprint to Earth, meaning the energy reaching you now started moving when humans were still living in caves.
