Uh oh! Wolfram|Alpha doesn't run without JavaScript.
Please enable JavaScript. If you don't know how, you can find instructions
here
.
Once you've done that, refresh this page to start using Wolfram|Alpha.
((4/3) * pi * ((radius of earth + 11 km)^3 - (radius of earth)^3)) * 0.2
Natural Language
Math Input
Extended Keyboard
Examples
Upload
Random