If Mars were somehow pulled into the Goldilocks zone, and assuming it was not on a collision course with the Earth, could it be rendered habitable?

My opinion about Mars is evolving, it would seem. I used to think it was useless for us to go to Mars, and it still is. However, what’s changing is that we are going to go to Mars anyway, and that’s really kind of a revelation that we will eventually become a multi-planet species. The... Continue Reading →

A bird built a bird’s nest

A bird built a bird's nest. Who does that? The male or the female? Anyway, they built it in my oak tree. I thought about spraying it down. I didn't. All the trees around here are showing signs of green. You have to look really closely to see buds coming out of the tips of... Continue Reading →

Inferiority Complex

You know when I like you when I start insulting you. You know when you're okay when you roll with the punches. By the way, you're ugly.

Why don’t these “thousands” of satellites fall back to Earth, if the likes of the ISS has to use booster rockets to stay up there?

It all depends on how thick the atmosphere is where the satellite is orbiting. The atmosphere doesn’t just “end” at a certain height. It just gets thinner and thinner. In low Earth orbit, where the ISS is orbiting, there is still some atmosphere. It’s very, very thin, but it’s there. At the top of Mount... Continue Reading →

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