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Pretty in Pink

- Image of star cluster Westerlund 2 released March 19, 2026, combining Chandra X‑ray data (pink) and JWST infrared data (red, orange, green, cyan, blue). - Shows scores of stars aged about 1–3 million years surrounded by neon‑pink X‑ray emission. - Brick‑orange dust clouds at the image base represent the raw material of the active stellar nursery. - Westerlund 2 lies in the Gum 29 region, roughly 20,000 light‑years away in the constellation Carina; image credits to Chandra, JWST teams and listed processors.

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Photo by @hubblespacetelescope / Unsplash

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NASA-Funded Study Shows Wildfire Smoke’s Hidden Ozone Toll

NASA-Funded Study Shows Wildfire Smoke’s Hidden Ozone Toll

- A NASA-supported study found that over the past decade wildfires have increased ground-level ozone (smog) across much of the contiguous U.S., worsening air quality far from fires. - Nationally, fires offset nearly four years of ozone-control gains; in the Midwest wildfires erased about 5.3 years of progress

A Moonlit Earth as Seen From Artemis II

A Moonlit Earth as Seen From Artemis II

- An Artemis II crew member photographed Earth from the Orion spacecraft after the translunar injection burn, capturing a full-disk view on April 2, 2026. - The visible hemisphere is lit by moonlight and shows a Sun sliver, green auroras at the poles, fuzzy zodiacal light, and Venus. - High

International Sea Level Satellite Observes El Niño Precursor

International Sea Level Satellite Observes El Niño Precursor

- Sentinel‑6 Michael Freilich altimeter data (Mar–May 2026) show a warm Kelvin wave moving east from the western Pacific to off Colombia, Ecuador and Peru. - By mid‑May sea level there exceeded long‑term averages by ~15 cm, indicating warmer surface water. - Early‑year Kelvin waves