Astronomy
Core of Venus
Venus is a tricky place to study because it's shrouded in a thick atmosphere that hides its surface. And if…
Geology of Venus
Take a look at Venus in even the most powerful telescope, and all you'll see is clouds. There are no…
Composition of Venus
Venus is often referred to as Earth's twin planet (evil twin planet is more like it, when you consider the…
Circumference of Venus
[/caption] The average circumference of Venus is 38,025 km. Need some comparison? The average circumference of Earth is 40,041 km.…
Density of Venus
The density of Venus is 5.204 grams per cubic centimeter. Need some kind of comparison? The density of Earth is…
Axis of Venus
[/caption] The axial tilt of Venus is 177.3°. That's a bit of a confusing number, so let's figure out what's…
Galaxy Zoo Discovers New Group of Galaxies: ‘Green Peas’
[/caption] Citizen scientists from the Galaxy Zoo project have discovered rare galaxies they're calling the “Green Peas.” They're small in size,…
Planetesimals
[/caption] A planetesimal is an object formed from dust, rock, and other materials. The word has its roots in the…
Symbols of the Planets
In our long history of staring up at the stars, human beings have assigned various qualities, names, and symbols for…
Orbits of the Planets
[/caption] Centuries ago, people believed that the Earth was the center of the Solar System. Slowly, that view was replaced…