Steve Elardo

#PlanetSci 🔭

A lot of older adults forced a war on universities because that’s where their kids realized their parents were evil.

You know that scene in an action movie when the bad guy runs through the kitchen of a restaurant and pulls down all the pots and pans behind him to slow down his pursuers? We're in that part of the Trump presidency.

I'm a planetary science professor actively doing research in the field.

Thanks!

Yes

A shallow mantle source for the Chang’e 5 lavas reveals how top-down heating prolonged lunar magmatism The chemistry of the youngest lunar lavas and experiments show how the mantle stayed hot enough to melt for billions of years.

🚨New Paper Alert!🚨
I've got a new paper out in Science Advances where we show that the 2 byr old Chang'e 5 magma came from shallow depths in the lunar mantle, and that melting was likely driven by top-down heating of the mantle by radioactive decay in a sub-crustal KREEP layer.
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Check it out:

Young magmas on the moon came from much shallower depths than previously thought, new study finds Assistant Professor of Geological Sciences Stephen Elardo's findings contradict previous theories on how and when the moon’s layers formed.

New research in Science Advances from UF Geology Prof. Stephen Elardo @steve-elardo.com shows that the 2 billion year old lava collected by the Chinese Chang'e 5 mission, which is the youngest rock from the Moon, came from unexpectedly shallow depths in the mantle.
⚒️🧪🔭 #PlanetSci

The Senate just posted the report language of its FY26 science appropriations bill. This text lays out what they want done and carries the force of law if it is included in the final spending bill.

It's a line-by-line refutation of Trump's proposed budget for NASA and NOAA.

Sediments exposed by glacier melt begin emitting greenhouse gases over time Glacial environments initially absorb greenhouse gases, but eventually emit them.

A new @commsearth.nature.com study led by former UF PhD student Andrea Pain and Professor of Geological Sciences Jonathan Martin, suggests that as ice sheets retreat, glacial environments initially absorb greenhouse gases but soil development over long times creates a source of greenhouse gases. ⚒️🧪🌊

🚨We're Hiring!🚨

UF Geology is searching for an Associate or Full Professor with tenure with a research program in the very broadly defined area of globally significant geoscience relevant to subsurface or sedimentary geology for the endowed Thompson Chair of Geological Sciences!
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Link below:

Check out the News and Views I wrote for @nature.com on what the first results from the Chang'e 6 samples means for our understanding of the Moon!
#PlanetSci
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House appropriators have released their draft CJS spending bill. Overall NASA funding is kept flat vs FY25 at $24.8 billion; however, exploration is increased at the expense of some cuts to science, space tech and other accounts. appropriations.house.gov/sites/evo-su...

Yesterday, a bunch of exciting papers came out in @nature.com on the first samples from the Moon's farside returned by Chang'e 6.

I wrote a News and Views about what these results mean for our understanding of the Moon. Check it out!
#planetsci 🧪⚒️🔭

it’s really weird to be in that category of people whose careers are specifically being targeted for destruction by the government right now, I’ll tell you what

watching the rest of the job market and economy continuing to largely shamble on while your entire network is screaming/running/in flames

“Well, we’re fucked again!!!”

Amy and I will yell this at each other. It’s from Rinker Buck’s book The Oregon Trail: A New American Journey. Rinker’s brother Nick is this overly excitable guy who yells this when part of their Oregon Trail wagon breaks down. The audiobook had us DYING 💀

Subcommittee Markup of the Commerce, Justice, Science, and Related Agencies Appropriations Act | United States Senate Committee on Appropriations United States Senate Committee on Appropriations

🧪 BREAKING (good news): Senate subcommittee says NO! to Trump's proposed slashes to NASA & NSF funding.

Today, the subcommittee said to keep NASA + NSF funding at $33.9 billion, the same as in FY24.

See 7:15 below. Full Senate appropriations committee meets tomorrow about it.

🧵 1/3

Also the NASA Chief of Staff is a Florida GOP party hack with some experience in Jacksonville city govt, no science or industry or federal experience, so it's a heck of a leadership team. Meanwhile all the career SES and GS15s are quitting

Alligator Alcatraz detainees allege inhumane conditions at immigration detention center Detainees claim they are enduring inhumane conditions, including lack of access to water, inadequate food and denial of religious rights.

Is anyone else in emergency management going to hold Florida Emergency Management accountable for this? Probably not. Insane.

www.cbsnews.com/miami/news/a...

Glacial retreat converts exposed landscapes from net carbon sinks to sources - Communications Earth & Environment Weathering of fresh comminuted sediment during glacial to interglacial transitions can result in net carbon dioxide sinks, whereas enhanced methanogenesis in deglaciated soils acts as a source of gree...

In a recent @commsearth.nature.com paper, Andrea Pain and a team from UF Geology explored how climate feedbacks change as glaciers retreat and expose the landscape beneath them.
#EarthSci #Climate🧪⚒️🌊

We’re absolutely need adaptation, because the impacts of climate change are already here. But it’s not too late to decarbonize, and it never will be. Climate change is not pass/fail; every fraction of a degree is worth fighting for. Giving up is not the answer when there’s so much we can do.

Today is the only day you can post this

Congratulations!!!

NASA is being told to cancel 19 *active* missions to save $6B, which looks to be less than the ICE *hiring/retention* budget going forward.

I need people to let that sentence sink into their bones for a minute.

Tweet from the Durham Bulls that reads "Y'all means all. #PrideNight"

Tweet from a user saying "Please delete," and Durham Bulls responding "No."

Tweet from a user saying, "Actually, no it does not! Stop dividing people." with a response from the Durham Bulls saying, "Inclusion's actually the exact opposite of division"

Tweet from someone saying "Maybe don't promote gay sex to children?" with the Durham Bulls responding, "Okay, sexyman159861581242902587231848675309"

11/10 social media work by the Durham Bulls

Evidence for Hadean mafic intrusions in the Nuvvuagittuq Greenstone Belt, Canada Many questions remain regarding Earth’s earliest crust owing to the rarity of Hadean (>4.03 billion-year-old) rocks and minerals. The Nuvvuagittuq Greenstone Belt (NGB) in Canada may be the only known...

The Nuvvuagittuq Greenstone Belt— a complex geological sequence in northeastern Canada—harbors surviving fragments of Earth’s oldest crust, dating back to ~4.16 billion years old, according to a new Science study.

Learn more: scim.ag/3FXN8sq

[TENURE-TRACK FACULTY POSITION]
SEES at the University of Iowa is looking for a researcher in solid Earth with strong field work experience 🔨 and possible interests in Earth and planetary processes ☄️ and environmental implications 🌱
DEADLINE Sept. 15th!
APPLY HERE: jobs.uiowa.edu/faculty/view...

Here's a fun thing that a top donor to Andrew Cuomo's super PAC just told me.