Dennis Mammana: How to See the Sun at Night (Well, Sort Of)
All stars are thermonuclear furnaces. (Creators.com illustration) Stars are not all alike. If they were, we could determine their relative distances just from how bright they appear. They do share one important similarity, however: Each is a thermonuclear furnace. In most cases, the cores of the stars are packed with hydrogen atoms that, under unimaginably high temperatures and pressures, slam into one another and fuse to create helium atoms. In this process, they release a tremendous amount of energy — some of which prevents the star from collapsing upon itself, and some of which pours out...
Source: noozhawk.com