• Δ: Coarse
  • AU: ~
  • 1s = ~



Fact text


PlanetWerks is an astronomically accurate solar system simulator. It works in Opera, Firefox, Safari and Chrome; if you are still using MSIE 6 or 7, this simulation just goes to show how far behind Microsoft still lags in standards support.


Explore PlanetWerks on your desktop as a Widget using the Opera browser.