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.
0.4 * ((3) g/cm3) * (4/3) * pi * (6371 km)^3 * (465 m/sec)* (6371 km)
Natural Language
Math Input
Extended Keyboard
Examples
Upload
Random