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. 2019 Sep 17;116(38):18749-18752.
doi: 10.1073/pnas.1913629116.

News Feature: "Celestial snowman" starts to reveal its secrets

Nola Taylor Redd

News Feature: "Celestial snowman" starts to reveal its secrets

Nola Taylor Redd. Proc Natl Acad Sci U S A. .
No abstract available

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Figures

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Researchers have started to map out the various geological features of 2014 MU69, including troughs (black lines), scarp crests (notched lines), a feature circling unit mh dubbed “The Road to Nowhere,” and a large crater (lc) dubbed the Maryland Crater. Here, the magenta areas labeled pm are patterned material; green areas labeled rm are rough material, and the blue areas labeled um are undifferentiated material. Image credit: Wikimedia Commons/NASA/Johns Hopkins University Applied Physics Laboratory/Southwest Research Institute/ESA.
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In 2006, NASA launched the New Horizons spacecraft, here being inspected at the Kennedy Space Center in Merritt Island, FL, a year prior to launch. After its 2015 Pluto encounter, New Horizons headed for MU69. Image credit: NASA.
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Astronomers are starting to piece together how Ultima and Thule joined together, as explained in this graphic composed by postdoc James Tuttle Keane at California Technical Institute in Pasadena. Image credit: NASA/JHUAPL/SwRI/James Tuttle Keane.
See this image and copyright information in PMC

References

    1. Stern S. A., et al. , Initial results from the New Horizons exploration of 2014 MU69, a small Kuiper Belt object. Science 364, 6441 (2019). - PubMed
    1. Redd N. T., Inner workings: Newborn stars don’t have enough dust to build planets. What are the missing ingredients? Proc. Natl. Acad. Sci. U.S.A. 116, 7605–7607 (2019). - PMC - PubMed
    1. Weidenschilling S., Aerodynamics of solid bodies in the solar nebula. Mon. Not. R. Astron. Soc. 180, 57–70 (1977).
    1. Youdin A., Goodman J., Streaming instabilities in protoplanetary disks. Astrophys. J. 620, 459 (2005).

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