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Paul Tracey (@pbtracey) · Digg

Paul Tracey

@pbtracey

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NASA's Roman Space Telescope optics aligned for sharper-than-expected cosmic surveys

NASA says its team aligned and focused Roman's optics and examined its main instrument as the telescope headed toward L2.

7 Sources, 3d ago, updated 3d ago

Artist concept of Roman's array of 18 detectors, outlined in light blue against a navy blue background with stars. They are arranged in an arc, with six columns of boxes across and three rows down. A thin, white, arched line in the lower left of the graphic is labeled "Moon's apparent size." Blue text over the left-most column of detectors reads, "WFI 2700 x 1360 arcseconds. Two yellow boxes on the far left are labeled "NIRCam 260 x 130 arcseconds." And a white box on the left, below the yellow boxes, is labeled "WFC3 NIR 130 x 130 arcseconds."

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