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Posts by Yishen (Eason) Zhang

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Recalibrating our 10-yr old gas mixing furnace, here is a small bizarre set up I made but perfect return voltage from TC to we can convert to a temperature (room temperature right now).
#experimentalpetrology

3 days ago 4 0 0 0
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The Moon fully eclipsing the Sun, captured by Artemis II.

....shot on Nikon Z9!!!!

2 weeks ago 1801 239 19 9
Earth behind the Moon

Earth behind the Moon

Awesome image from Artemis.
Big!

2 weeks ago 10880 1537 134 113
[alt text by NASA] The Moon, seen here backlit by the Sun during a solar eclipse on April 6, 2026, is photographed by one of the cameras on the Orion spacecraft’s solar array wings. Orion is visible in the foreground on the left. Earth is reflecting sunlight at the left edge of the Moon, which is slightly brighter than the rest of the disk. The bright spot visible just below the Moon’s bottom right edge is Saturn. Beyond that, the bright spot at the right edge of the image is Mars. Credit: NASA

[alt text by NASA] The Moon, seen here backlit by the Sun during a solar eclipse on April 6, 2026, is photographed by one of the cameras on the Orion spacecraft’s solar array wings. Orion is visible in the foreground on the left. Earth is reflecting sunlight at the left edge of the Moon, which is slightly brighter than the rest of the disk. The bright spot visible just below the Moon’s bottom right edge is Saturn. Beyond that, the bright spot at the right edge of the image is Mars. Credit: NASA

Whoa 🤯

The Moon, in full eclipse, with the #Artemis II Orion spacecraft. Part of the Moon and spacecraft are lit by Earthshine, and both Saturn and Mars are visible to the lower right. Incredible. Details: images.nasa.gov/details/art0...

2 weeks ago 7594 1934 62 133
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New work challenges the idea of a “wet” Moon🌙💧
Our GCA study, with Raj and @cintylee.bsky.social, shows water-rich lunar melt inclusions form via magmatic recharge, instead of requiring a wet mantle! The Moon may still be strongly volatile-depleted. @riceeeps.bsky.social
doi.org/10.1016/j.gc...

2 weeks ago 10 4 1 0
The Moon.

NASA/Artemis II/Kevin M. Gill

The Moon. NASA/Artemis II/Kevin M. Gill

New shot of the Moon taken only a few hours ago by the Artemis II crew! More of the lunar far side coming into view :-D

flic.kr/p/2s676GN

2 weeks ago 3191 822 50 89

Thermodynamics: 10% physics, 90% unit conversions

3 weeks ago 2 0 0 0

Conceptually yes! But we would need to think about what phases are in the interior of Io, solid or gas etc

1 month ago 1 0 0 0
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The effects of sulfur on near-liquidus phase relations of highly reduced basaltic melts with implications for magmatism in Mercury Data returned from NASA’s MESSENGER mission reveal that Mercury’s surface is highly enriched in sulfur (S) and depleted in iron (Fe), consistent with …

#Mercury is unusually S-rich. Could #sulfur play a role similar to #volatiles on Earth in shaping melt generation and differentiation?
Here, Raj and I combine spectros and expts to show how S dissolves in Mercurian melts affects Mercury’s interior evolution.

www.sciencedirect.com/science/arti...

1 month ago 3 3 1 0
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We are excited to annouce both our returning and new IAVCEI ECR-Net Working Group officers (2/3)!

Stay tuned for updates, events, and opportunities ahead 🌋!

3 months ago 3 2 0 0
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We are excited to annouce both our returning and new IAVCEI ECR-Net Working Group officers (3/3)!

Stay tuned for updates, events, and opportunities ahead 🌋!

3 months ago 5 2 0 0

Nice to see you in person Nick!!

4 months ago 1 0 1 0
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What happened if a planet has weight-percent-level S in the mantle melts and how such large amounts of S affect melt generation in reduced planet like Mercury? Stop by my poster tomorrow morning at V21B-0069 and let’s chat! #AGU2025

4 months ago 3 0 0 0
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Next Monday @riceuniversity.bsky.social we have a panel discussion on the geopolitics of critical minerals for the energy transition. Geology does not distribute natural resources fairly. This leads to a complex web of trade and geopolitical tensions.

events.rice.edu/event/415347...

4 months ago 15 4 0 0
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We r having a panel discussion on critical minerals Dec 8 @riceuniversity.bsky.social in conjunction with the French Consulate of Houston.

4 months ago 5 4 0 0
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Constraining the Impact of Post‐Entrapment Crystallization Correction Algorithms on Melt Inclusion Compositions and Petrological Interpretations With MagmaPEC Numeric PEC correction results are highly dependent on which Fe3+/Fe2+ and mineral-melt partition coefficient modes are used internally MagmaPEC is Python PEC correction software that supports a ...

Find our new model to calculate post entrapment crystallization of melt inclusions @kuleuvenuniversity.bsky.social
open access here:
agupubs.onlinelibrary.wiley.com/doi/10.1029/...

5 months ago 3 2 0 1

w/ Oli Shorttle, @johannateske.bsky.social & Eliza Kempton we reviewed our current understanding and prospects for peaking on the inside of small #exoplanets in "Constraining exoplanet interiors using observations of their atmospheres": www.science.org/stoken/autho... & arxiv.org/abs/2510.08844 🔭🧪⚒️☄️

6 months ago 33 11 0 0
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🚨 NEW EPISODE OUT! 🚨 It's time to talk scientific illustration in the world of volcanoes and geology with @geologytalk.bsky.social , Annabelle Foster!

Full episode available to watch or listen now! (Link in bio)

#geology #art #artist #stem #steam #illustration #science

8 months ago 8 4 0 1
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The Mt. Hood is stunning

#volcano

8 months ago 2 0 0 0
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Some facts: as a postdoc, I haven't started my research career yet 😂
#postdoc

8 months ago 2 0 0 0
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Lab made lunar analogs, the color matches really well with the lunar soil
#Moon #Experiments

9 months ago 1 0 0 0

Going to conferences as a postdoc: 3x the cost, 1/3xxx the travel grant opportunities.
#postdoc #research

9 months ago 2 0 0 0
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Visiting Assistant Professor of Earth and Environmental Geoscience Visiting Assistant Professor of Earth and Environmental Geoscience Washington and Lee University: Department of Earth and Environmental Geoscience Location: Lexington, VA Open Date: Jun 04, 2025 Descr...

Hi all, especially ECRs! My Department is hiring a Visiting Assistant Professor of Earth and Environmental Geoscience.

We are a small liberal arts college with a small but engaged geo department. Looking to interview and hire immediately. Please apply! ⚒️

careers.geosociety.org/job/visiting...

10 months ago 9 10 0 0
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Cool opal collection here at Jackson school of geosciences at UT Austin

#mineral #geology

10 months ago 0 0 0 0

I see! I often see people use it in olivine as ratios with other elements as well. We do good calibration for Mn, no worries! :)

10 months ago 1 0 0 0

Rarely use the Mn in the silicate glass then why do we still keep measuring it in the EPMA campaign 🤔

10 months ago 0 0 1 0
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These two are classic!

10 months ago 0 0 0 0
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A nice visit to UK and catch up with old and new friends. Finally back to H-town tomorrow!

1 year ago 0 0 0 0
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Want to know the lunar sulfur evolution from Apollo to Chang’e-5 mantle? Check out our new GCA paper! A new sulfur content at sulfide saturation (SCSS) model is also attached that is suitable for sulfides with variable metal-sulfur ratio.
doi.org/10.1016/j.gc...

1 year ago 3 2 0 0

I thought yesterday was the last day of LPSC 🥲

1 year ago 1 0 0 0