Earlier this spring NASA announced a new research model that predicts that ocean worlds are far from rare, and our galaxy might be full of them. And a new study examines evidence that Pluto may have had an underground ocean all along!
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Sources:
https://iopscience.iop.org/article/10.1088/1538-3873/ab9504
https://www.eurekalert.org/pub_releases/2020-06/nsfc-apw061820.php
https://books.google.com/books/about/An_Introduction_to_Modern_Astrophysics.html?id=M8wPAQAAMAAJ
https://www.nature.com/articles/s41561-020-0595-0
https://press.nature.com/evidence-for-a-hot-start-and-early-ocean-formation-on-pluto/18076308
https://www.nasa.gov/press-release/goddard/2017/dance-preserves-oceans
https://agupubs.onlinelibrary.wiley.com/doi/abs/10.1029/2020JE006449
https://www.nature.com/articles/nature20120.pdf
Image Sources:
https://www.nasa.gov/image-feature/apollo-17-blue-marble
https://solarsystem.nasa.gov/resources/128/the-north-polar-region-of-enceladus/
https://www.nasa.gov/feature/goddard/2020/are-planets-with-oceans-common-in-the-galaxy-it-s-likely-nasa-scientists-find
https://www.flickr.com/photos/nasawebbtelescope/49754454197/in/photostream/
https://www.jpl.nasa.gov/video/details.php?id=808
https://www.nasa.gov/feature/one-year-later-new-horizons-top-10-discoveries-at-pluto
https://solarsystem.nasa.gov/resources/401/distant-planetoid/
https://solarsystem.nasa.gov/resources/2203/jezero-crater-mars-2020-rover-landing-site/?category=solar-system_our-solar-system
https://www.jpl.nasa.gov/spaceimages/details.php?id=PIA21026
https://www.jpl.nasa.gov/spaceimages/details.php?id=PIA20213
https://solarsystem.nasa.gov/resources/796/closer-look-majestic-mountains-and-frozen-plains/?category=planets/dwarf-planets_pluto
https://www.nasa.gov/image-feature/the-rich-color-variations-of-pluto
https://solarsystem.nasa.gov/resources/404/another-world/
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