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.
UPGRADE TO PRO
APPS
TOUR
Sign in
2^128 seconds
Natural Language
Math Input
Extended Keyboard
Examples
Upload
Random
Assuming seconds of time for
"seconds"
|
Use
seconds of arc
instead
Input interpretation
Result
Download Page
POWERED BY THE
WOLFRAM LANGUAGE
