Ringworld is a popular science fiction based on (sort of) the same idea. The ring in it is essentially a huge ring around a star instead of a planet, some 100s of million miles in diameter, and is artificial. Also, it's facing the sun. The science isn't actually accurate I think but it's a good story if you want to read.

You actually got it. From a photon's perspective time doesn't exist. It instantly comes into existence and dies at the same exact moment.

The whole point of relativity is that there is no such thing as "actual time". That's the big revolutionary idea. It says that time is, much like speed, relative. So, from the perspective of the fast traveler, their perspective of time elapsed is 80 earth years. But from the perception of the person on earth, it's 300 years. Neither is "actual time", they're both correct.

Just fuck him already.

Directly under the egg's shell are two membranes. When the eggs are laid by the mother they’re very warm, and as they cool the material inside the egg shrinks a little bit. The two membranes pull apart a little and create a small pocket or sack of air. As the developing bird grows, it breathes in oxygen from the air sack and exhales carbon dioxide. Several thousand microscopic pores all over the surface of the egg allow the CO2 to escape and fresh air to get in.

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