How sure, exactly?
How sure, exactly?
Nicely framed through the high tension wires
I think the rest of the world should buy the subsidized Chinese solar cells, the Chinese government will go bankrupt and the rest of the world will get cheaper, cleaner energy.
The atmosphere causes almost all meteorites to burn up before hitting the surface, I imagine that the same holds for space debris. So the concern about space debris hitting your house seems to be more about drawing attention to the very real problem of space debris to orbiting satellites.
One degree change in the last 100 years. The earth temperature increased by one degree from about 9750bc to 9000bc as well, but in a period 7 times as long!