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| Two images of HD 157728, a nearby star. Left: the image without the ultra-precise starlight control that Project 1640 is capable of. Right: the image when the wavefront sensor was active, forming a darker square hole in the residual starlight, and allowing objects up to 10 million times fainter than the star to be seen. (Credit: Project 1640/SPIE) (Index image: PALM-3000 installed at the Hale Telescope. Credit: Scott Kardel.) |
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