Ancient Egypt may save future Earth
If humanity survives its own follies and the many geological and climatic changes on Earth in the eons ahead, it still faces extinction when the sun starts to turn into a red giant in approximately 5.4 billion years. The growing sun will engulf the current orbits of Mercury, Venus and possibly Earth.
Even before it becomes a red giant, the brightness of the sun will have nearly doubled, and Earth will be hotter than Venus is today. The conventional wisdom is that humans by this time may have colonized planets on distant stars.
However, there may be hope for maintaining life on Earth. The expansion of the sun might be contained by creating a very small artificial neutron star within close orbit of the sun. The intense magnetism and gravitation of the neutron star would "suck up" the sun's excess energy. A teaspoon of neutron star material weighs about 10 million tons. A conventional neutron star would be a deadly hazard to our entire solar system. Thus, our artificial star would have to be very small, maybe no bigger than a Volkswagen Beetle, and always located on the far side of the sun, never facing Earth.
Hopefully, an advanced humanity would have the knowledge and resources to complete such a project.
The spaceship carrying the mechanics to approach the sun and create the star would be named Khepera after the Egyptian scarab god who rolls the sun across the sky just as the beetle rolls the ball of dung. The miniature neutron star would be the little black bug that "pushes" the sun. An image derived from ancient Egypt may save future Earth.
Ancient civilizations attributed personalities to the sun and planets. The sun was a brilliant male god whose constant eruptions fertilized the earth goddess. A neutron star, on the other hand, is a collapsed male sun who is trying to become a female planet but is fooling no one. And he really, really sucks. That can only describe one person . . .
I'm just a sweet transvestite from Transsexual, Transylvania. — Dr. Frank N. Furter, The Rocky Horror Picture Show
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Image Scarab on wall of Tomb KVG in the Valley of the Kings, Egypt, CC BY-SA 3.0