Image Credit: M. Hanna & NOAO/AURA/NSF; Inset: R. Kotulla (University of Wisconsin) & WIYN/NOAO/AURA/NSF

Animation of asteroid mozing across sky

A Familiar-Looking Messenger from Another Solar System

The visit of the interstellar interloper U1, recently spotted streaking through the Solar System, gives the people of Earth their first chance to study up close an object from another planetary system. Observations with the WIYN telescope at Kitt Peak reveal that despite its foreign origins, U1 appears similar to asteroids in our Solar System. The result supports the long-held view that our Solar System once ejected its own flotilla of messengers like U1 out into interstellar space.

Read more in NOAO Press Release 17-06.

  • 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.

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

  • GLOBE at Night Join the international star-hunt campaign, Globe at Night, November 10-19. Use a smart phone to submit sky brightness in real time! Visit globeatnight.org.

  • 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.

  • In 2013 a house-sized meteor exploded over the Russian city of Chelyabinsk. How many similar-sized rocks have orbits that bring them close to the Earth? Read more in NOAO Press Release 17-04.

1 2 3 4 5 6 7

Older NewsPress Releases

Previous home page images