Pluto is small --- if Earth were the size of a golf ball, it would be the size of a very small marble
Even if you traveled at the speed of light, it would still take you 46.5 billion years to reach the edge of the observable universe.
21 orders of magnitude is the difference between a picnic blanket and the size of the entire milky way galaxy
If helium atoms were the size of a period [.] then gerbils would be the size of the earth
DNA is long --- DNA in each cell would be 6 feet if unwound
If an apple were blown up to the size of the earth, an atom in that apple would be the size of the original apple
Order of magnitude is difficult to conceive. 7 orders of magnitude is the difference between a picnic blanket and the size of the earth
A nanoparticle is to an ant what an ant is to the Indianapolis Motor Speedway
6 orders of magnitude is the difference between the thickness of a sheet of paper and a 30-story building (328 feet)
The moon is in fact falling to the earth in exactly the same way that the apple falls to the earth
9 orders of magnitude is the difference between a honey bee and a blue whale
Cyclists are able to produce enough power to power a home when sprinting
If Earth were a cherry tomato, Jupiter would be the size of a watermelon
The moon is roughly the size of the distance from New York to Los Angeles (3474.8Km in diameter)
If the sun were the size of a typical front door, Earth would be the size of a nickel
Blue whales are heavy --- they can be as heavy as 30 elephants and as long as 3 large tour buses
One tree is able to produce enough oxygen to support a family of four
The brain operates on the same amount of power as a 10-watt light bulb
If Earth were a cherry tomato, Uranus would be the size of an apple
The solar system is a great void --- all of the planets in the solar system could fit between the Earth and the moon