"We are probably nearing the limit of all we can know about astronomy."
Simon Newcomb, astronomer ; 1888
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| Application No. | Application Title | Issue Date |
| 20100038591 | Liminous phosphor, fluorescent lamp, luminous display, and luminous molded product There are provided a long persistent phosphor capable of keeping high persistent intensity and white persistence of especially satisfactory color purity after the phosphor is excited by ultraviolet irradiation and then the excited light is cut off, and a fluorescent lam... | 02/18/2010 |