Galactica, the acclaimed interactive visualizer has been updated for the iPad.

148Apps said "Galactica is the sort of app that wouldn’t been seen dead on a Blackberry. The sort of app that the iPhone was made for. The sort of app that makes you wonder how anyone can ever settle for less than an iPhone."
http://www.148apps.com/reviews/galactica/

Gently interact with the display to create a unique performance
-- Emit streams of plasma from your finger tips
-- Ignite explosions of dust and gas
-- Use gravitational force to shape the cosmos

Exclusive to iPad
-- Record your interactions and replay the performance again and again.
-- Connect your iPad to a projector or HD TV to see the effect on a big screen.
-- Sit back and enjoy the built-in auto-play mode.
-- 3 brand new music tracks by Bloom co-creator Peter Chilvers.
-- Install the original iPhone Galactica soundtrack for free.

Plug-in your headphones, turn down the lights and enjoy!