February 6, 2023
If the universe seems cold from a distance, birthdays are part of its rebuttal.
In the Heart of the Rosette Nebula
Birthday · February 6, 2023
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APOD published February 6, 2023. Credit: Lyman Insley. A publication-date match, not a photo taken on your date. Independent of NASA.
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). Your Sky Surprise: What picture did APOD feature on your birthday? (post 1995)
Image credit: Lyman Insley