Used sparingly. Home Planetarium "HomeStar" Original Planetarium Software "Blue Earth" Original planetarium software for the home planetarium "HomeStar." Takayuki Ohira, co-developer of "HomeStar," Guinness World Record-holding planetarium creator, and with numerous CG production screening achievements, recreates the blue and beautiful Earth as seen from space in CG. Projecting it onto your ceiling allows you to experience a simulation of being a space shuttle crew member or a space traveler, offering a different kind of enjoyment from gazing at a starry sky.