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Ryleigh Davis

@import-astrory.bsky.social
87 followers 139 following 16 posts

Planetary scientist & postdoc @UCSD 🪐 • interrogating icy moons with telescopes 🔭 • Europa Clipper MISE postdoc affiliate 🛰️ • outpaced daily by my 2-year-old 🏃‍♀️ • Prior: PhD @Caltech, MS@NAU, BS@UofA • she/her

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Reposted by Ryleigh Davis
Jess Pendley @jesspendley.bsky.social · 11/09/2026
Future me watching temporary -productivity-burst me commit to meetings and calls.
A small machine, the front resembles a smiling face, and its back reflected in the mirror behind it resembles a horrified face.
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Ryleigh Davis @import-astrory.bsky.social · 03/09/2026
Happening in a little over an hour if anyone wants to tune in live! youtube.com/live/gHhjz7C...
youtube.com
What Happened to Neptune’s Moons? | #SETILive
YouTube video by SETI Institute
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Reposted by Ryleigh Davis
SETI Institute @setiinstitute.bsky.social · 01/09/2026
Neptune’s tiny inner moons may be remnants of much larger icy worlds destroyed billions of years ago. 🔵💥 Could Triton’s arrival be responsible? Join @goastromo.bsky.social + lead author @import-astrory.bsky.social on #SETILive. 📅 Sept. 3 | 2:30 pm PDT 🧪 🔭 👩‍🔬
SETI Live record button logo. Text: Shattered Moons with Moiya McTier and M. Ryleigh Davis, Thursday, 3 September 2026, 2:30 pm PDT / 5:30 pm EDT. Background: Neptune and its rings as seen in the infrared by JWST with a cracked overlay. Inset: Photos of Moiya McTier and M. Ryleigh Davis.
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Reposted by Ryleigh Davis
Jacquelyn Gill @jacquelyngill.bsky.social · 21/08/2026
Hey folks, this hasn’t gotten much attention, but remember those proposed OMB rule changes we all commented on recently? There’s a new attempt to sneak them just for NSF. We have three days to comment. Please don’t sleep on this!
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The Planetary Society @planetarysociety.bsky.social · 10/08/2026
IT WORKED! Thousands of you wrote your senators, and the Senate passed a funding bill pausing the OMB rule that would hand political appointees control over science grants. But it's not over: the House's bill doesn't include the pause. Tell your Rep to back the Senate's language: planet.ly/cPbNu
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Reposted by Ryleigh Davis
Reuters @reuters.com · 03/08/2026
Webb telescope finds signs of ancient disaster for Neptune's moons reut.rs/4vXChSZ
reut.rs
Webb telescope finds signs of ancient disaster for Neptune's moons
New observations of some of Neptune's moons and rings are providing evidence of a catastrophe that occurred billions of years ago around the solar system's outermost planet in which a Pluto-sized interloper ​caused a celestial demolition derby.
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Reposted by Ryleigh Davis
Caltech @caltech.edu · 30/07/2026
Using NASA's James Webb Space Telescope (JWST), a team of Caltech researchers has observed Neptune's rings and three of those moons—Larissa, Galatea, and Proteus—and found that their composition is unique among outer solar system bodies. www.caltech.edu/about/news/n...
caltech.edu
Neptune's Inner Moons May Be Shattered Remains of Ancient Icy Worlds
New findings from Caltech researchers suggest Neptune's smallest satellites formed from the shattered remains of an original moon system that was destroyed when Triton was captured by Neptune's…
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Reposted by Ryleigh Davis
Astronomer Royal for Scotland | Catherine Heymans @astroroyalscot.bsky.social · 27/07/2026
I'm absolutely devastated for colleagues at Jodrell Bank who found out this morning that funding for the UK's e-MERLIN radio telescope array will be terminated. This is a short-sighted move, to save a tiny fraction of the overall UK science budget. #SaveJodrellBank 🔭🧪 www.bbc.co.uk/news/article...
bbc.co.uk
Jodrell Bank's Lovell telescope faces axe in science cuts, BBC understands
Astronomers warn it would tear the heart out of UK science, and leave a generation untrained.
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Reposted by Ryleigh Davis
Dr Alfredo Carpineti @drcarpineti.bsky.social · 29/07/2026
Neptune’s inner moons are unlike anything in the outer solar system. We might know why and we can blame a captured dwarf planet! 🔭 www.iflscience.com/neptunes-inn...
iflscience.com
Neptune’s Inner Moons And Rings Might Be Left Over From A Cosmic Game Of Marbles Caused By The Capture Of Triton
Evidence suggests the giant planet captured its largest moon, then things went sideways.
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Reposted by Ryleigh Davis
AAS Press Office @press.aas.org · 29/07/2026
California Institute of Technology: Neptune's Inner Moons May Be Shattered Remains of Ancient Icy Worlds www.caltech.edu/about/news/n...
caltech.edu
Neptune's Inner Moons May Be Shattered Remains of Ancient Icy Worlds
New findings from Caltech researchers suggest Neptune's smallest satellites formed from the shattered remains of an original moon system that was destroyed when Triton was captured by Neptune's gravit...
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Ryleigh Davis @import-astrory.bsky.social · 29/07/2026
My new paper is out in Science Advances! Neptune's inner moons preserve clay minerals from the deep interiors of ancient icy worlds, exposed by Triton's catastrophic arrival. Here's the story and what it tells us about the violent history of the Neptunian system. 🧵 www.science.org/doi/10.1126/...
science.org
Neptune’s inner moons and rings are exposed icy body interiors
Triton’s destructive wake exposed clay-like minerals from within ancient icy worlds, now reaccreted as Neptune’s inner moons.
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Reposted by Ryleigh Davis
Paul Byrne @theplanetaryguy.com · 21/07/2026
Sources: apnews.com/live/trump-i... www.planetary.org/space-policy...
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Paul Byrne @theplanetaryguy.com · 09/07/2026
This is a real image. Taken by Voyager 1 in 1979, the icy moon Europa floats above Jupiter's swirling Red Spot maelstrom. The shadow is from Io, another of Jupiter's large inner moons, which is out of frame. Oh to see this view with my own eyes (safely shielded from the lethal radiation fields)
The swirling face of Jupiter, with the Great Red Spot at lower right. At lower left, difficult to discern from the cloudy backdrop, is Europa, lit from the right. At upper right is a dark circle—the shadow of Io.
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Reposted by Ryleigh Davis
The Planetary Society @planetarysociety.bsky.social · 07/07/2026
❗This rule would end peer review as we know it at NASA. For 80 years, experts decided which federal research gets funded based on merit. A new OMB rule would give politicians final say instead. But this isn’t over yet. Comment by July 13: www.planetary.org/ombgrantrules
planetary.org
Advocacy Action Center
The Planetary Society is organizing a new space constituency that is educated, empowered, and loud.
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Reposted by Ryleigh Davis
Mike Brown @plutokiller.com · 23/06/2026
Excited at our paper just out in PNAS. We used JWST to detect frozen deuterated water ("heavy water") on the moons of Uranus. There is **much more** on the moons than on Uranus itself, showing that Uranus and the moons formed from separate reservoirs of water. Fun lab work in the supplement, too.🔭🪐
pnas.org
Deuterated water and the formation of the satellites of Uranus | PNAS
The satellites of Uranus orbit in a low-eccentricity, equatorial plane that is tilted by 98° relative to the solar system—a geometry that mirrors U...
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Reposted by Ryleigh Davis
Luke Bones 🦴 @lukemeister.bsky.social · 25/06/2026
@bowlerhatscience.org on the recent paper on Neptune's moon Nereid by Belyakov @import-astrory.bsky.social @plutokiller.com & co. www.science.org/doi/10.1126/...
science.org
Nereid as a regular satellite of Neptune
James Webb Space Telescope observations suggest Nereid is Neptune’s sole intact original moon, a survivor of past cataclysms.
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Paul Byrne @theplanetaryguy.com · 25/06/2026
1) Open this image up 2) Find the small, blue feature in the very middle Congratulations, you've spotted the Perseverance rover on Mars, photographed from orbit! 3) Trace the rover tracks as they wend their way across the surface
A complex landscape of buttes, hills, hummocks, and sand dunes, in tones of gold and teal. In the middle, a small, beetle-blue feature. Around it, faint parallel tracks.
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Angela Marusiak @planetaryquakes.bsky.social · 05/06/2026
There’s a new proposed rule that can cancel a grant at any time and all new grants have to be approved by political appointees. Submit a comment here and let them know how catastrophic this would be for US Science. www.regulations.gov/document/OMB...
regulations.gov
Regulations.gov
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Dr. Jessie Christiansen @aussiastronomer.bsky.social · 05/06/2026
Some light Friday afternoon reading - @caltechipac.bsky.social wrote a nice piece on Scaling K2, the K2 exoplanet demographics collab that I lead, and that @kevinkhu.bsky.social wrote both the first and latest papers for! (Wherein I confess to the most unoriginal astronomer hobby.)
ipac.caltech.edu
Finding Patterns in Planets: Researchers Explore the Demographics of Alien Worlds in K2 Data
The Kepler mission and its follow-on K2 discovered thousands of exoplanets around different types of stars, and new work reveals broader trends in the planetary populations of the Milky Way.
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Ryleigh Davis @import-astrory.bsky.social · 20/05/2026
So thrilled to see this out today and proud to be part of it! 🎉JWST spectroscopy + N-body sims pointing to Nereid as the last survivor of Neptune's original moon system. Huge congrats to @matt-belyakov.bsky.social who led this work! MOONPOCALYPSE WAS REAL 🪐🔱💥🔭
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Ryleigh Davis @import-astrory.bsky.social · 13/05/2026
Just before finishing my PhD and leaving Caltech in April, I had the opportunity to give this year’s Everhart Lecture. The recording is now online! If you’re interested, you can watch it here: www.youtube.com/watch?v=61bu...
youtube.com
A Planetary Cold Case: Using JWST to Uncover the Catastrophic History of Neptune’s Moons
YouTube video by caltech
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Kevin T. Trinh @icymoonskevin.bsky.social · 02/02/2026
Do you know of an undergrad who would be a good fit for icy moons or geophysics research? If so, encourage them to apply here: stemgateway.nasa.gov/s/course-off...
lnkd.in
LinkedIn
This link will take you to a page that’s not on LinkedIn
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arXiv astro-ph.EP Earth and Planetary Astrophysics @astrophep-bot.bsky.social · 03/06/2025
M. Ryleigh Davis, Samantha K. Trumbo, Michael E. Brown, Matthew Belyakov: Spectroscopic Mapping of Callisto with HST/STIS and Implications for its Surface Composition arxiv.org/abs/2506.00151 arxiv.org/pdf/2506.00151 arxiv.org/html/2506.00151
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Nadia Drake @nadiadrake.bsky.social · 05/06/2025
"You’re punching a generation-size hole, maybe a multigenerational hole, in the scientific and technical workforce. You don’t just Cryovac these people and pull them out when the money comes back. People are going to move on.” www.scientificamerican.com/article/prop...
scientificamerican.com
This Budget Plan Would Devastate U.S. Space Science
Scientists are rallying to reverse ruinous proposed cuts to both NASA and the National Science Foundation
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Dr. Jessie Christiansen @aussiastronomer.bsky.social · 01/06/2025
Briefly wandered over to The Other Place to gauge the response to the NASA budget devastation to encounter a bunch of gleeful 'we spend too much money, so this is great.' TO BE, ONCE AGAIN, PERFECTLY CLEAR, THE BUDGET REQUEST MOVES ALL THIS MONEY TO DEFENSE. IT SPENDS IT. NO MONEY IS SAVED.
A screenshot of p.43 of https://www.whitehouse.gov/wp-content/uploads/2025/05/Fiscal-Year-2026-Discretionary-Budget-Request.pdf showing $119.3B moved from Defense to Non-Defense.
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James Tuttle Keane @jtuttlekeane.bsky.social · 30/05/2025
The NASA planetary science fleet chart if the president’s budget is enacted.
The NASA planetary science fleet chart. It shows two spirals with missions to Moon/Mars and the Solar System. I’ve crossed off all of the missions that will be cancelled in the president’s budget… and there are a lot of them.
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