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James Webb Space Telescope

Viewing Posts from March 2026

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    How NASA’s Webb Helped Rule Out Asteroid’s Chance of 2032 Lunar Impact

    The image is a pixelized graph of mostly black, gray, and white squares with the y-axis labelled as "Y (pixel)" and the x-axis labeled as "X (pixel)" with a scale of 0 to 70 on each axis, with a marking at multiples of 10. A legend defining the colors from black thru various gray shades to white has a scale of 0.0 at the black end of the scale and 0.5 at the white end of the scale with markings at each one-tenth. The legend scale is labelled "Flux (nJy)". Near the center of the image is a dashed green circle surrounding nearly white pixels. A red circle is higher on the graph by just more than 20 units and a few units to the right; the red circle is surrounding a black and slightly gray section. The graph has a legend for the green circle of "Observed position of 2024YR4" and a legend for the red circle of "Position assuming lunar impact".

    Editor’s Note: This post highlights data from Webb science in progress, which has not yet been through the peer-review process. These results were reported as part of NASA’s role in the International Asteroid Warning Network. NASA’s James Webb Space Telescope recently made new observations of the asteroid 2024 YR4, which we already knew poses no […]

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