Interesting Facts - Page 207

The paint on the outside of a Boeing 747 adds about 450 kilograms, or nearly 1000 pounds, to its weight.

The last emperor of China didn't die until 1967. In his later years, he worked as a gardener.

Phoenix A is a black hole with the mass of 100 billion suns. It is about 25,000 times more massive than Sagittarius A, the black hole at the center of the Milky Way. It is so large, in fact, that it might be an entirely new type of black hole, tentatively dubbed a SLAB or "stupendously large black hole".

Edward Teller, the father of the hydrogen bomb, proposed building a nuclear weapon with a yield of 10 gigatons, nearly 200 times more powerful than Tsar Bomba, the most powerful weapon ever tested. If exploded, such a weapon could ignite an area the size of France.

Redheads typically require 20% more anesthesia during surgery.