The earth is approx. 6,588,000,000,000,000,000 tons.
175
Scientists have developed a microparticle filled with oxygen that can be injected into the blood stream, enabling us to live without breathing.
21
The Earth's atmosphere weighs about 5.5 quadrillion tons.
108
It takes a photon 170,000 years to travel from the core of the Sun to the surface, but only 8 minutes to travel the rest of the way to Earth.
6
The only letter not appearing on the Periodic Table is the letter "J".
180
At room temperature, the average air molecule travels at the speed of a rifle bullet.
55
One cubic foot of gold weighs more than 1,200 pounds!
78
Rafflesia Arnoldii is the largest flower in the world and can grow as big as an umbrella.
42