Black holes are likely very small --- perhaps even as small as one atom in size.
Chihuahua is the smallest dog
Dragonflies had a wingspan of almost two feet during the Paleozoic era (probably because of increased oxygen n the atmosphere)
If a virus were the size of a nickel, a bacteria would be the size of a dinner plate and you would be 125 miles tall
Koalas are about the size of a jelly bean when born
Japan is slightly smaller than California in terms of total area
If Earth were a cherry tomato, Uranus would be the size of an apple
Lake Michigan is just under half the size of england
The sun is a relatively small star --- the largest star is so large that if our sun were the size of a soccer ball, the largest star we know would be as tall as the Empire State Building
Pluto is smaller than the United States.
A sand grain is between 0.06 and 2mm; it sits between gravel and silt
Butterflies can be huge --- the Queen Alexandra's Birdwing a wingspan of one foot.
atoms are small --- you'd need 2 million hydrogen atoms to cover the period at the end of this sentence.
Dinosaurs weren't all huge --- the smallest known to have existed were around the size of a pigeon.
The sun appears to be the same size as the moon because the moon is 400 times smaller, but also 400 times closer.
Bacteria are tiny --- if the diameter of a single hair were the size of the Empire State Building (443m), a bacteria would only rise to the 3rd floor
The blue whale is not just the largest animal alive today, it's the largest animal to have ever existed.
The Milky Way is so large that it would take between 100,000 and 160,000 years to get across its diameter if you were to travel at the speed of light.
Russia has a larger surface area than Pluto.
If a cell were the size of a nickel, you would be over 1.25 miles tall