A Visit to NISAR

Officials from NASA, the Indian Space Research Organisation (ISRO), and the Indian Embassy visit a clean room at NASA’s Jet Propulsion Laboratory on Feb. 3, 2023, to view the scientific instrument payload for the NASA-ISRO Synthetic Aperture Radar (NISAR) mission. via NASA https://ift.tt/pHc3OVZ

Australia’s Recent Radioactive Mishap: A Laughing Matter?

Happens more often than you think

Recently, Australia had a bit of a kerfuffle when they lost a radioactive capsule. People were shocked and horrified, but here’s the real shocker: radioactive material goes missing more often than you think!
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The Rosette Nebula’s Bright Cluster of Stars

In the heart of the Rosette Nebula lies a bright cluster of stars that lights up the nebula. The stars of NGC 2244 formed from the surrounding gas only a few million years ago. The featured image taken in mid-January using multiple exposures and very specific colors of Sulfur (shaded red), Hydrogen (green), and Oxygen (blue), captures the central region in tremendous detail. A hot wind of particles streams away from the cluster stars and contributes to an already complex menagerie of gas and dust filaments while slowly evacuating the cluster center. The Rosette Nebula’s center measures about 50 light-years across, lies about 5,200 light-years away, and is visible with binoculars towards the constellation of the Unicorn (Monoceros). via NASA https://ift.tt/G4q1maC