It’s one of the most easily disprovable theories out there, and yet, here we are, watching astronauts debate flat-Earthers live on national television!
planet
The idea that Earth is a sphere was first introduced by another ancient Greek mathematician, Pythagoras, around 500 BC and validated by Aristotle about 200 years later
One remote danger from the Tiangong-1 is that someone will find & pick up a piece of its debris that’s covered in a corrosive substance
"After 18 years of flying, I've seen pretty much about everything that I can see in that realm, and this was nothing close"
A minuscule slowing of the Earth’s rotation over years appears to be linked to an increase in major quakes
DARPA says that in addition to the Phantom Express helping meet military needs, it hopes it will attract interest in the XS-1 technology from private firms
So, we are not talking about global warming?
Duck and cover...
Natural or man-made, they are quite a spectacle!
NASA has said that supervolcano eruptions are a bigger threat to life than any asteroid