Anybody throwing rocks around?

[gadgetmind]

Good luck to anyone trying to write a "big thing heading towards earth" story with an interesting twist, but here is a fun calculator to let you decide what to drop, where to drop it, and how far back to stand.

Enjoy!

Impact: Earth!

Ian

 

[Nik]

Splash-Down in the Science forum...

http://www.sffchronicles.co.uk/forum/529357-impact-calculator.html