Starlight is just the same - and we hence learn what they're made from. Click for more info . 46K JPEG One of the most successful probes ever launched is the joint ESA-NASA SOHO sun probe. In 1 billion years, the Sun will be bigger and hotter than it is today. The Earth 's oceans will have boiled away into space.
Stars start to die when they stop burning hydrogen.
Mercury will disappear and Venus will lose its atmosphere and become a burnt out planet. The Earth will suffer the same fate, even though it is outside the red giant's immediate reach. An active tale. I got mine from Amazon on the day it was published, and at an excellent discount. Click here for more information.