Keywords Sun, astronomy, solar observatories, Hertzsprung-Russell diagram, spectral type G, nuclear fusion, star lifecycle, red giant, white dwarf, energy generation Email us at footage@avgeeks ...

Today, we know that the sun, along with all other stars, is powered by a reaction called nuclear fusion. If nuclear fusion can be replicated on earth, it could provide virtually limitless clean, safe ...

Theoretically, Sunbird's tremendous speeds could cut mission times to Mars in half, from seven to eight months to about four.