Image Credit: R. Hahn & the DES Collaboration; inset: Alex Drlica-Wagner (Fermilab), Nora Shipp (U. Chicago), & the DES Collaboration

New Stellar Streams Confirm ‘Melting Pot’ History of the Galaxy

While most stars in the Milky Way were likely born here, many appear to have originated in other galaxies and migrated to our shores. Tell-tale evidence comes from streams of stars created when small galaxies interact with the Milky Way. Eleven new stellar streams, discovered in data from the Dark Energy Survey, currently in progress at the CTIO Blanco telescope, provide new evidence for this picture. The public release of the survey data continues the trend toward “Big Data” in astronomy.

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Read more in NOAO Press Release 18-01.

  • NOAO invites community input on science opportunities of the coming decade in preparation for the Decadal Survey. To learn more and to contribute, visit our 2020 Decadal Survey planning page.

  • Peering back in time, to when the Universe was only 5% of its current age, astronomers have spotted the most distant supermassive black hole discovered yet. Read more in NOAO Press Release 17-07.

  • Interstellar interloper 1I/2017 U1, recently spotted streaking through the Solar System, provides an up close look at an object from another planetary system.

  • Cosmic Forge of Rare Heavy Elements Discovered.
    View & Share the Trailer Video. Read more in the NOAO Press Release.

  • A stunning collection of images showcased in the 8th International Earth & Sky Photo Contest highlights the beauty of the night sky and the battle with light pollution.

  • The October 2017 NOAO Newsletter is ready to download. It contains sections on Science Highlights, Community Science & Data, System Observing, and NOAO Operations & Staff.

  • Supernova Survivor Flung Far from Home: Forensic spectra taken with the KPNO Mayall telescope helps astronomers reconstruct a star’s perilous past.

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