Hi,

If the releases are going to be named after astrological objects,
what about somebody making a stylized version of a spiral galaxy as
logo:

http://www.imsc.res.in/~indu/JM/2010/NovDec/Nebulae/NASA_-_Spiral_Galaxy_NGC_1300.jpg
http://apod.nasa.gov/apod/fap/image/0508/MWart_spitzer_f50.jpg
http://4everstatic.com/pictures/674xX/nature/universe/m81,-spiral-galaxy,-crab-nebula-148486.jpg
http://ak.picdn.net/shutterstock/videos/3572225/preview/stock-footage-spiral-galaxy-milky-way.jpg