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Posts by Dr./Prof. Meredith MacGregor

Thank you!!!

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Last piece of space pottery for the Physics Fair next weekend! I made these bowls to look like the interstellar medium - the space in between stars. Love how the glaze pops in the sunlight 🌌

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First attempt at sgraffito - I really like how the combo of black underglaze with the white clay (Standard 182) came out looking like chalk on a chalkboard #sciart #pottery

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Finished the full set of Solar System trinket dishes I shared earlier! #sciart

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In honor of the successful landing of Artemis II, here’s a moon bowl! I made the bowl and then cratered it to look like the surface of the moon #sciart

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Welcome to Baltimore! 🦀

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First up are little trinket dishes that I hand painted with Solar System planets. There will be one for every planet in the end but not all of them have been fired yet.

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I started making ceramics last summer and it has become a big part of my life that I haven’t shared here yet. For our annual department outreach event, I agreed to make space inspired pottery for prizes and giveaways. I’ve started getting final pieces out of the kiln and it’s so fun I have to share!

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(Also an interesting moment watching the launch while getting off an airplane in Atlanta and realizing how many people had no idea this was happening)

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We’ve never gone to the Moon since I’ve been alive - until now. There’s A LOT awful going on, but it was still so amazing to watch the Artemis II launch. What amazing things us humans are capable of 🚀🌔

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There is altogether too much white in all of those outfits…!

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Astronomy Picture of the Day A different astronomy and space science related image is featured each day, along with a brief explanation.

Always a fun day when your research ends up on APOD! 🤩
apod.nasa.gov/apod/astropi...
And, check out the original paper, too:
iopscience.iop.org/article/10.3...

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The Landscape of Undergraduate Astronomy and Astrophysics Degree Requirements In this document we summarize the results of a survey of undergraduate degree-granting programs conducted by the 2024-2025 American Astronomical Society Education Committee's Subcommittee on UndeRgrad...

Our AAS Education Committee report on 'The Landscape of Undergraduate Astronomy and Astrophysics Degree Requirements' is now available on arXiv: www.arxiv.org/abs/2602.03959. Please give it a read!

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AAS Working Group Recommends New Best Practices for Graduate Admissions The Working Group on Graduate Admissions wishes to highlight two recommendations for immediate adoption by the community to improve the current astronomy-wide graduate admissions process.

Some new recommendations from our AAS Working Group on Graduate Admission: aas.org/posts/news/2...

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So excited to see our EVE science highlighted in Evgenya Shkolnik’s fantastic plenary at #AAS247! I’m thrilled to be proposing this mission to NASA

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IRSTIG splinter now in Room 231!

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And now it’s the PRIMA special session in Room 224B!

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First up are a bunch of talks (including mine!) about the POEMM balloon mission in the 10am session in Room 222C

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It’s far-infrared day at #AAS247! Come learn about how cool this part of the spectrum is and why it is critical for a multi-wavelength understanding of the universe!

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Our session for the AAS Task Force on Graduate Admissions is this morning at 10am in Room 226 B #AAS247

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Come join us in the session discussing our report on the landscape of undergraduate degrees in astronomy and astrophysics at #AAS247 in room 226B!

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What a great birthday present today - SMEX is back on! Let’s go EVE!

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JWST TRAPPIST-1 e/b Program: Motivation and first observations One of the forefront goals in the field of exoplanets is the detection of an atmosphere on a temperate terrestrial exoplanet, and among the best suited systems to do so is TRAPPIST-1. However, JWST tr...

Pretty excited to be part of this awesome team doing super cool science! arxiv.org/abs/2512.07695

4 months ago 7 0 0 0
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Oiselle! They make running clothes specifically for women and are amazing in all seasons!

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New research on flares from a hot-tempered star could inform search for habitable planets A new study takes a close look at TRAPPIST-1, a little star roughly 40 light-years from our sun that hosts seven Earth-sized planets.

1/ It's press day!🔭🧪 We apply a grid of time-dependent physical models to explain TRAPPIST-1 flares, predicting the X-ray & UV flux driving escape and photochemistry in planetary atmospheres, and correcting flare contamination in transit spectroscopy down to ~60 ppm:
www.colorado.edu/today/2025/1...

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I always go more formal just to be sure that they treat the applicant like every other applicant. But, really either should be fine!

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Schedule from the 2025 ExoJamboree at JHU and STScI

Schedule from the 2025 ExoJamboree at JHU and STScI

Today is the ExoJamboree at @jhuartssciences.bsky.social and @stsci.edu - How cool is that we are such a powerhouse of exoplanet research here that we can have an awesome conference with just local people?!?!

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Another wonderful article about our RZ Psc work!

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Believe me I had that same thought writing that paper 😂

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This! Here's a slide pulled from my class lecture notes this semester. Comets have two clear tails - one from dust and one from ions. They point in different directions because one feels the solar wind while the other feels radiation pressure.

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