The behind-the-scenes tales of hit products and creations from Japan: this is Japan's Top Inventions. This time, planetariums, which realistically reproduce the look of the starry night sky. In 2014, a Japanese firm succeeded in creating a planetarium projector that displays each of the approximately 9,500 stars visible to the naked eye in incredible detail, including accurate coloring. We dive into the story behind the creation of that top invention. (This program was broadcast on March 2, 2022.)
The world’s first planetarium to display approx. 9,500 stars with colors
Developer Kasahara Makoto
A star field plate displays stars when a light is shone through it.
The star field projected by the planetarium