The Top 5 Densest Things on Earth

Image credit: Theatlanticcities.com
Contrary to popular belief, the densest substance on earth is not to be found between the ears of various 24-hour news channel pundits. (That is just called “stupidity.”) In fact, our planet is home to compounds and elements much denser than your average Beck or Blitzer! And the obvious materials that come to mind when you think of dense, heavy materials, such as lead or sand? Not even close to this Top 5 list.

5 Mercury

Image credit: Wikipedia

The densest “liquid” on earth is actually a metal: mercury. Mercury is not only awesome to look at and incredibly poisonous to ingest, but it is also more than 12 times more dense than water. It rates at 13.5 grams per cubic cm on the ol’ density scale, making it denser than many solid metals, including lead. Extra credit: In order to get mercury into a solid state, you have to chill it to right around negative 38 degrees Fahrenheit, which just so happens to also be negative 38 Celsius!

4 Basalt

Image credit: Wikipedia

Basalt is the densest type of rock, with an average weight of more than three grams per cubic cm. Its weight and density ratio can vary based on the amount of other material, such as quartz, contained in a given sample, though in order to be considered actual igneous basalt stone, a given sample must be at least 80 percent pure lava rock. Some people might try to tell you diorite is denser, but just tell them to back off, turn around, and walk away.

3 Water Density

Image credit: Geoclasses.tamu.edu

Water is at its most dense at 39 degrees Fahrenheit. Above that temperature, the space between water molecules is slightly expanded, and below 39 degrees, as water approaches the freezing point, it begins to grow slightly less dense again. The measureable difference in density is about .1 gram per centimeter cubed outside of this temperature sweet spot, but it is a definite difference. Now go win a bar bet.

2 Mumbai, India

Image credit: Wikipedia

The city with the greatest population density on our fair planet is, perhaps not that surprisingly, Mumbai, India. With a population of more than 14.3 million people living in around 230 square miles of area, there are around 60,000 people per mile squared. By comparison, there are fewer than 600,000 people living in the entire state of Wyoming, which has almost 100,000 square miles of area, for a population density of fewer than six people per square mile.

1 Osmium

Image credit: Wikipedia

The densest naturally occurring element on the planet is osmium, a metal in the platinum family with a density of 22.6 grams per cubic centimeter. If that means nothing to you, then you’re normal. By comparison, lead is 11.3 grams per cm cubed. Osmium was distinctly isolated as an element in the early 1800s and, due to its brittle nature, is nearly useless for any practical purpose in its pure state. Oh well, it’s still nice and … dense.

Steven John is a published novelist and competitive pole vault champion. (The latter is not true.) His writing runs the gamut from speculative fiction to essays fueled by a mix of mirth and derision. He has never been to Lisbon but, statistically speaking, is probably taller than you.

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