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Mordecai-Mark Mac Low

@astrocurator.bsky.social
488 followers 248 following 333 posts

Researching the formation of planets, stars, and galaxies, mostly through numerical simulations. Curator-in-Charge, Dept. of Astrophysics, American Museum of Natural History. All opinions are my own and not the institution's.

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Reposted by Mordecai-Mark Mac Low
Robert Rohde @rarohde.bsky.social · 01/07/2025
Proposed NOAA budget zeros out ALL climate laboratories and cooperative institutions. GFDL, NSSL, GML, etc. This appears to also end the US greenhouse gas sampling network, including at Mauna Loa, the oldest continuous carbon dioxide monitoring site on Earth. www.commerce.gov/sites/defaul...
Excerpt from proposed NOAA budget showing zero funding for Climate Laboratories and Cooperative Institutes
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Reposted by Mordecai-Mark Mac Low
Lisa Bromfield @lisabromfield.bsky.social · 30/06/2025
I’ve been a bit quiet on here lately, but I’ve been working on a project. After 65 hours of integration, my largest and longest astro image to date is finally complete. This is a 4-panel mosaic of the Fighting Dragons of Ara 🐉🔥 #Astrophotography #nebula #NGC6188 #FightingDragonsOfAra #tasmania
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Mordecai-Mark Mac Low @astrocurator.bsky.social · 29/06/2025
I'm advising one NSF graduate fellow working on understanding how heavy elements produced by the first stars mixed into subsequent generations of stars, ultimately leading to our own existence, and have another considering thesis work with me on planet formation.
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Vincent Ledvina @vincentledvina.bsky.social · 27/06/2025
Well... I just found out today that the proposed FY26 president's budget will eliminate the NSF graduate research fellowship program that is funding my Ph.D. I have an award in progress, too. This won't just affect future funding or applications.
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Mordecai-Mark Mac Low @astrocurator.bsky.social · 27/06/2025
Well, ready to gamble?
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Reposted by Mordecai-Mark Mac Low
Michael Lowry @michaelrlowry.bsky.social · 26/06/2025
A huge blow was dealt to hurricane forecasters this week as a critical tool was abruptly terminated by the Department of Defense and NOAA. The immediate discontinuation of data from three weather satellites will severely impact hurricane forecasts this season and beyond. More ⬇️
michaelrlowry.substack.com
Critical Hurricane Forecast Tool Abruptly Terminated
U.S. Department of Defense announced Tuesday it would no longer process and deliver data essential to most hurricane forecasts
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Mordecai-Mark Mac Low @astrocurator.bsky.social · 25/06/2025
The destruction of the US scientific enterprise continues. Or, at least, work from home just got another boost.
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Mordecai-Mark Mac Low @astrocurator.bsky.social · 24/06/2025
Join the American Physical Society @apsphysics.bsky.social in opposing crippling cuts to US science funding. www.aps.org/initiatives/...
aps.org
Support Federal Science Funding: A Call to Action
The American Physical Society is a nonprofit membership organization working to advance physics by fostering a vibrant, inclusive, and global community dedicated to science and society.
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Mordecai-Mark Mac Low @astrocurator.bsky.social · 23/06/2025
Jargon overload: I am revising two papers using the acronym SFE. In one of them it stands for star formation efficiency, while in the other it stands for surface free energy. Yikes!
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Reposted by Mordecai-Mark Mac Low
Stephan Lewandowsky @lewan.uk · 19/06/2025
I am privileged to announce the publication of the Anti-Autocracy Handbook: sks.to/autocracy 1/12
sks.to
The Anti-Autocracy Handbook: A Scholars' Guide to Navigating Democratic Backsliding
The Anti-Autocracy Handbook is a call to action, resilience, and collective defence of democracy, truth, and academic freedom in the face of mounting authoritarianism. It tries to provide guidance to ...
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Mordecai-Mark Mac Low @astrocurator.bsky.social · 17/06/2025
New @amnh.org curator Jackie Faherty's (co-mentored) student celebrating her thesis defense. Congratulations!
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American Museum of Natural History @amnh.org · 16/06/2025
🚀 Curious about how the Museum produces its iconic Hayden Planetarium Space Shows? Join us on June 25 for a look at the making of the Museum’s new Space Show: Encounters in the Milky Way. Learn how scientists transformed data into a journey through our galactic neighborhood: bit.ly/4jQi2AE
bit.ly
Behind the Scenes of a Planetarium Show | AMNH
Go behind the scenes of Encounters in the Milky Way with the creative team behind the Museum’s latest Space Show.
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Mordecai-Mark Mac Low @astrocurator.bsky.social · 15/06/2025
The famously draft-dodging president violating 4 U.S. Code § 9 "Conduct during ... passing of flag": "During the ceremony of hoisting or lowering the flag or when the flag is passing in a parade or in review, all persons present in uniform should render the military salute. (1/2)
The President standing on a podium rendering a military salute.
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Mordecai-Mark Mac Low @astrocurator.bsky.social · 14/06/2025
An amazing valedictory piece by Dennis Overbye on my colleague Carter Emmart's career as Director of Astrovisualization at @amnh.org. I've had the immense privilege of working with him multiple times, resulting in planetarium shows seen around the world (Journey to the Stars and Dark Universe).
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Mordecai-Mark Mac Low @astrocurator.bsky.social · 14/06/2025
#nokingsday is even being covered by Fox... #nokings
Screenshot from Fox 9 Minneapolis/St Paul with the headline "No Kings protest: List of Minnesota rallies."  Bullet points follow: "Dozens of No Kings protests are planned across Minnesota on Saturday,"  "The largest event is planned for the Minnesota State Capitol in St. Paul, where Gov. Tim Walz is expected o speak," and "Nearly 2,000 protests are planned in cities across the United States on Saturday, which is the same day as President Donald Trump's birthday."
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Rui Alf Kerensky Chaves @alfkerensky.bsky.social · 13/06/2025
Please tell me people have flooded his social media accounts with this Obi-wan GIF.
media.tenor.com
two men are standing next to each other and one of them is saying that 's no moon it 's a space station
ALT: two men are standing next to each other and one of them is saying that 's no moon it 's a space station
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Mordecai-Mark Mac Low @astrocurator.bsky.social · 10/06/2025
Hitler: burned down the Legislature Putin: blew up five apartment buildings TACO: 300 demonstrators in LA. Stephen Miller isn't the sharpest tool in the shed even if he is a world-class hater.
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ACLU of Texas @aclutx.bsky.social · 31/05/2025
BREAKING: Texas lawmakers passed S.B. 37, which dramatically increases state control of public universities. Allowing politically appointed bureaucrats to police curricula and override faculty expertise is a direct threat to academic freedom in Texas.
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ESA Operations @operations.esa.int · 31/05/2025
📡Our antenna is getting into position. Our station engineers are pointing the antenna towards Voyager.
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Mordecai-Mark Mac Low @astrocurator.bsky.social · 31/05/2025
Proposed US retreat from the Solar System.
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Mordecai-Mark Mac Low @astrocurator.bsky.social · 31/05/2025
Looks like I may have to start learning the rules and residency requirements for European Research Council grants if I want to continue funded research in understanding how our planet and star formed in context.
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Dr. Tanya Harrison @tanyaofmars.bsky.social · 31/05/2025
The fact that the U.S. is turning inward and potentially set to decimate the science from its own space program while China is offering up its recently returned lunar samples for researchers around the world to analyze speaks volumes as to how the tides of science are going to shift.
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Mordecai-Mark Mac Low @astrocurator.bsky.social · 30/05/2025
The actual definition of "Habitable Zone"
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Mordecai-Mark Mac Low @astrocurator.bsky.social · 28/05/2025
It's a grift all the way down, isn't it?
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Mordecai-Mark Mac Low @astrocurator.bsky.social · 28/05/2025
🔭A 700 km diameter trans-Neptunian object pulled out of the @darkenergysurvey.org.web.brid.gy by heroic computational analysis, likely representative of a large, hidden class of objects.
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Mordecai-Mark Mac Low @astrocurator.bsky.social · 27/05/2025
This work by Chen, Ho, & Tung shows nicely one of those things obvious in retrospect: that the first stars formed in a supersonically turbulent medium produced by the collapse of their parent gas clouds (something that Ibáñez-Mejía, myself & Klessen showed for modern gas clouds in 2017). (1/2)
ui.adsabs.harvard.edu
Formation of Supersonic Turbulence in the Primordial Star-forming Cloud
We present new simulations of the formation and evolution of the first star-forming cloud within a massive minihalo of mass of $1.05 \times 10^7\, M_{\odot}$, carried out using the GIZMO code with det...
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Mordecai-Mark Mac Low @astrocurator.bsky.social · 27/05/2025
So much for freedom of speech and the press!
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Mordecai-Mark Mac Low @astrocurator.bsky.social · 27/05/2025
@niemandbesonders.bsky.social brings the receipts in this thread.
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Mordecai-Mark Mac Low @astrocurator.bsky.social · 25/05/2025
Data that tells many stories.
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Mordecai-Mark Mac Low @astrocurator.bsky.social · 25/05/2025
I don't know how much of this structure is interferometer noise vs real, but the idea that we can resolve any structure at all on the surface of a star other than the Sun is still astonishing.
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Jonathan @renewableenergy.bsky.social · 25/05/2025
They say it can’t be done, but here we are, California is generated 106% of California’s entire state electricity demand from renewables. California has a population bigger that 154 other countries around the world. It’s the 4th largest economy, in the world. Let that sink in. #energysky #greensky
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Mordecai-Mark Mac Low @astrocurator.bsky.social · 25/05/2025
🔭
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Mordecai-Mark Mac Low @astrocurator.bsky.social · 24/05/2025
Spectroscopic confirmation of a z = 14.44 galaxy. Our Aeos star-by-star simulations of galaxy formation actually run as far as that, maybe allowing a direct confrontation with observations? 🔭
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Mordecai-Mark Mac Low @astrocurator.bsky.social · 24/05/2025
Apparently falsifying a hypothesis is now forbidden by order of the Great Leader.
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Gc Rox @gcrox.bsky.social · 23/05/2025
All of NIH funding to Northwestern University is frozen. This pause includes noncompeting approved funding, new and competing grants with fundable scores. No reimbursements for money already spent have been received since March. This situation is rarely reported so please Please get the word out!
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Mordecai-Mark Mac Low @astrocurator.bsky.social · 23/05/2025
"“How could it be that Mottones, a degenerate African, might advise a Carthaginian general!” (Livy 25.40.12) ... Carthage lost, while the multi-ethnic Roman army welcomed Mottones, and won.
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Adam McMaster @adammc.space · 22/05/2025
Not water: it’s a mystery where streaks on the Martian surface come from, but a new paper rules out water as a cause and narrows down the other options 🔭🧪 www.universetoday.com/articles/pla...
universetoday.com
Planetary Scientists Confirm There's No Flowing Water on Mars
It was big news years ago when Mars orbiters found streaks of what appeared to be water running down Martian cliffs and crater walls. Scientists worked hard to figure out what they were. Some proposed...
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Mordecai-Mark Mac Low @astrocurator.bsky.social · 23/05/2025
The shift from Euro-American to Chinese research institutions shown in these rankings is dramatic 🧪
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Mordecai-Mark Mac Low @astrocurator.bsky.social · 23/05/2025
The journal @nature.com compiles a list of leading research institutions ranked by counts of "high-quality research outputs." (www.nature.com/nature-index...) Surely not definitive, but the change over the six years from 2018 to 2024 is astonishing. (1/5)
nature.com
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Katharine Hayhoe @katharinehayhoe.com · 21/05/2025
The NOAA science seminars continue tomorrow with a verrry relevant talk on "The Social Value of Forecasting Hurricanes" by Renato Molina. Unsurprisingly, he finds that public investments in hurricane forecasts pay for themselves many times over in reduced losses. Read: www.nber.org/papers/w32548
star.nesdis.noaa.gov
Center for Satellite Applications and Research - NOAA / NESDIS / STAR
STAR translates raw satellite data into critical information needed to inform the public and safeguard the environment across the country and around the world.
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Mordecai-Mark Mac Low @astrocurator.bsky.social · 20/05/2025
Why you don't let ChatGPT off a short leash...
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Mordecai-Mark Mac Low @astrocurator.bsky.social · 20/05/2025
Welcome! The Galactic Center has more gas, stronger magnetic fields, a bigger black hole, and more stars forming than anywhere else... follow @battersbot.bsky.social to learn lots more! 🧪🔭 [adding this to the science and astronomy feeds]
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David Roberts @volts.wtf · 18/05/2025
Climate scientist Jeff Masters explains how our new Energy Secretary Chris Wright is using numbers selectively plucked from IPCC reports to mislead Americans about climate change.
yaleclimateconnections.org
How to deny climate change using the IPCC report » Yale Climate Connections
The new Secretary of Energy, Chris Wright, claims that the Intergovernmental Panel on Climate Change says there has been no increase in the frequency or intensity of hurricanes, tornadoes, floods, or ...
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IFPTE @ifpte.bsky.social · 17/05/2025
In response to NASA’s decision to force IFPTE-represented employees at NASA’s Goddard to move out of their offices in New York City, IFPTE altered Members of Congress that this action is not only disruptive, but wastes federal resources and harms the critical work of these scientists.
ifpte.org
IFPTE Urges Lawmakers to Stop NASA from Moving Goddard Institute for Space Studies Out of Their Offices — IFPTE
In response to NASA’s decision to force IFPTE-represented employees at NASA’s Goddard Institute for Space Studies (GISS) to move out of their offices in New York City, IFPTE altered Members of Congres...
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Mordecai-Mark Mac Low @astrocurator.bsky.social · 17/05/2025
Built like a brick shithouse.
A brick shithouse on a leafy green lawn with an early 19th Century  mansion in the background
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Mordecai-Mark Mac Low @astrocurator.bsky.social · 17/05/2025
And thus shall we recognize traitors
Empty statue pedestal with inscription below "The parting of General Lee and Stonewall Jackson on the eve of Chancellorsville" and on the pedestal, "... is my confidence in General Lee that I am willing to follow him..."
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Melissa Barber @mbarber.bsky.social · 13/05/2025
Incredibly sad news that the only Mycetoma research center in the world was destroyed in Khartoum. Scientists lost 40+ years of samples, a significant setback in the fight against an already neglected disease. www.theguardian.com/global-devel...
theguardian.com
Gleaming labs turned to rubble: scientists mourn the loss of decades of medical progress in Sudan
Universities and laboratories in Khartoum are looted or in ruins, with vital research and medicines destroyed, including pioneering work on tropical diseases
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Stand Up for Science! @standupforscience.net · 10/05/2025
HAPPY 75th, NSF! We’re celebrating this milestone by highlighting some of NSF’s most transformative accomplishments—innovations that have shaped our world and continue to drive progress in health, technology, the environment, and beyond. Read on 🧵(1/11):
A chocolate cake with red and white decorations and lit candles shaped as the number 75. Bold text reads: ‘The NSF Turns 75 Today. What has it done over the past 7 decades?’ The background is a celebratory red with a spray-paint texture.
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Ankit Panda @nktpnd.bsky.social · 10/05/2025
Short thread (hopefully in plain English) on the nuclear deterrence dynamics in the India-Pakistan relationship and where this goes if escalation continues. <1>
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