February 5, 1997: The high-resolution mirror assembly (HRMA) for the world's most powerful X-ray telescope is nearing the midpoint of tests that will ensure they provide the sharpest, most detailed views yet of the X-ray universe.
February 5, 1997: The high-resolution mirror assembly (HRMA) for the world's most powerful X-ray telescope is nearing the midpoint of tests that will ensure they provide the sharpest, most detailed views yet of the X-ray universe.