Valerie Payré
@valeriepayre.bsky.social
Assistant Professor @ University of Iowa | I'm a Martian! | Planetary Geologist
Reposted by Valerie Payré
Hot on the heals of the inner core paper in Nature comes another InSight paper in @science.org from a team at @imperialcollegeldn.bsky.social
A single plate planet preserving characteristics of its formation, highly heterogeneous Martian mantle!
🔭🧪 #planetsci
doi.org/10.1126/scie...
A single plate planet preserving characteristics of its formation, highly heterogeneous Martian mantle!
🔭🧪 #planetsci
doi.org/10.1126/scie...
Seismic evidence for a highly heterogeneous martian mantle
A planet’s interior is a time capsule, preserving clues to its early history. We report the discovery of kilometer-scale heterogeneities throughout Mars’ mantle, detected seismically through pronounce...
doi.org
September 8, 2025 at 1:40 PM
Hot on the heals of the inner core paper in Nature comes another InSight paper in @science.org from a team at @imperialcollegeldn.bsky.social
A single plate planet preserving characteristics of its formation, highly heterogeneous Martian mantle!
🔭🧪 #planetsci
doi.org/10.1126/scie...
A single plate planet preserving characteristics of its formation, highly heterogeneous Martian mantle!
🔭🧪 #planetsci
doi.org/10.1126/scie...
Reposted by Valerie Payré
Mission update: Perseverance meets the Megabreccia, a chaotic mixture of broken rock fragments likely produced during ancient asteroid impacts.
by Henry Manelski @henrymanelski.bsky.social
science.nasa.gov/blog/perseve... #Mars 🧪 #PlanetSci
by Henry Manelski @henrymanelski.bsky.social
science.nasa.gov/blog/perseve... #Mars 🧪 #PlanetSci
Perseverance Meets the Megabreccia - NASA Science
Written by By Henry Manelski, Ph.D. student at Purdue University
science.nasa.gov
September 9, 2025 at 7:26 AM
Mission update: Perseverance meets the Megabreccia, a chaotic mixture of broken rock fragments likely produced during ancient asteroid impacts.
by Henry Manelski @henrymanelski.bsky.social
science.nasa.gov/blog/perseve... #Mars 🧪 #PlanetSci
by Henry Manelski @henrymanelski.bsky.social
science.nasa.gov/blog/perseve... #Mars 🧪 #PlanetSci
Was there life on Mars? Super exciting discovery by the Perseverance rover!
@nasapersevere.extwitter.link #NASA #Mars #Perseverance #Mars2020 #Life #planetaryscience
@nasapersevere.extwitter.link #NASA #Mars #Perseverance #Mars2020 #Life #planetaryscience
Rock discovery contains ‘clearest sign’ yet of ancient life on Mars, NASA says | CNN
Scientists believe intriguing leopard spots on a rock sampled by the Perseverance rover on Mars may have potentially been made by ancient life.
www.cnn.com
September 11, 2025 at 1:35 PM
Was there life on Mars? Super exciting discovery by the Perseverance rover!
@nasapersevere.extwitter.link #NASA #Mars #Perseverance #Mars2020 #Life #planetaryscience
@nasapersevere.extwitter.link #NASA #Mars #Perseverance #Mars2020 #Life #planetaryscience
The deadline for a tenure-track position is coming! September 15th!
[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...
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...
Faculty Requisition Details - Jobs@UIOWA: Search and Apply for Jobs at The University of Iowa
Jobs@UIOWA: The official place to search and apply for jobs at The University of Iowa.
jobs.uiowa.edu
September 10, 2025 at 8:21 PM
The deadline for a tenure-track position is coming! September 15th!
Reposted by Valerie Payré
[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...
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...
Faculty Requisition Details - Jobs@UIOWA: Search and Apply for Jobs at The University of Iowa
Jobs@UIOWA: The official place to search and apply for jobs at The University of Iowa.
jobs.uiowa.edu
June 26, 2025 at 4:14 PM
[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...
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...
[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...
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...
Faculty Requisition Details - Jobs@UIOWA: Search and Apply for Jobs at The University of Iowa
Jobs@UIOWA: The official place to search and apply for jobs at The University of Iowa.
jobs.uiowa.edu
June 26, 2025 at 4:14 PM
[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...
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...
Reposted by Valerie Payré
Amazing MastCam mosaic of the Mishe Mokwa butte and the Yardang Unit beyond. Taken in the morning of Sol 4566 by the Mars Curiosity Rover.
flic.kr/p/2ratr5a
flic.kr/p/2ratr5a
June 12, 2025 at 3:25 PM
Amazing MastCam mosaic of the Mishe Mokwa butte and the Yardang Unit beyond. Taken in the morning of Sol 4566 by the Mars Curiosity Rover.
flic.kr/p/2ratr5a
flic.kr/p/2ratr5a
😪
Today in examples of how obeying in advance gets you nothing.
LPI took down all our DEIA related abstracts to avoid pissing off NASA.
And NASA just killed LPSC.
LPI took down all our DEIA related abstracts to avoid pissing off NASA.
And NASA just killed LPSC.
June 4, 2025 at 6:43 PM
😪
Preparing for #EarthDay 2025! VR on #Mars getting all set up!
#uiowa #Earth&EnvironmentalSciences #PublicEvent
#uiowa #Earth&EnvironmentalSciences #PublicEvent
April 16, 2025 at 12:09 AM
Preparing for #EarthDay 2025! VR on #Mars getting all set up!
#uiowa #Earth&EnvironmentalSciences #PublicEvent
#uiowa #Earth&EnvironmentalSciences #PublicEvent
Reposted by Valerie Payré
This really is an extinction level event for NASA's science programs.
arstechnica.com/space/2025/0...
arstechnica.com/space/2025/0...
Trump White House budget proposal eviscerates science funding at NASA
“This would decimate American leadership in space.”…
arstechnica.com
April 11, 2025 at 1:27 PM
This really is an extinction level event for NASA's science programs.
arstechnica.com/space/2025/0...
arstechnica.com/space/2025/0...
Reposted by Valerie Payré
Friends, I've been thinking about this for a few years now, but the events this week have made it clear that now is the time.
It's time to work to establish a professional planetary science society in the United States.
A 🧵
It's time to work to establish a professional planetary science society in the United States.
A 🧵
February 1, 2025 at 3:43 AM
Friends, I've been thinking about this for a few years now, but the events this week have made it clear that now is the time.
It's time to work to establish a professional planetary science society in the United States.
A 🧵
It's time to work to establish a professional planetary science society in the United States.
A 🧵
Reposted by Valerie Payré
The Perseverance rover captured some pretty massive dust devils earlier today. That large one in the foreground was at least 500m high. #PlanetSci
flic.kr/p/2qHbPLV
NASA/JPL-Caltech/Simeon Schmauß
flic.kr/p/2qHbPLV
NASA/JPL-Caltech/Simeon Schmauß
January 25, 2025 at 6:17 PM
The Perseverance rover captured some pretty massive dust devils earlier today. That large one in the foreground was at least 500m high. #PlanetSci
flic.kr/p/2qHbPLV
NASA/JPL-Caltech/Simeon Schmauß
flic.kr/p/2qHbPLV
NASA/JPL-Caltech/Simeon Schmauß
Reposted by Valerie Payré
Here's what plate tectonic movement looks like on Europa.
Part of the Northern Falga region, centred ~50N.
Animation, incredible work and data are all by Geoffrey Collins and co-authors (open access)
doi.org/10.1029/2022...
Part of the Northern Falga region, centred ~50N.
Animation, incredible work and data are all by Geoffrey Collins and co-authors (open access)
doi.org/10.1029/2022...
January 13, 2025 at 1:50 PM
Here's what plate tectonic movement looks like on Europa.
Part of the Northern Falga region, centred ~50N.
Animation, incredible work and data are all by Geoffrey Collins and co-authors (open access)
doi.org/10.1029/2022...
Part of the Northern Falga region, centred ~50N.
Animation, incredible work and data are all by Geoffrey Collins and co-authors (open access)
doi.org/10.1029/2022...
Reposted by Valerie Payré
Please share: I have a friend with access to food trucks in LA that is looking for locations to set them up this weekend that will be useful to the largest number of people and will allow a food truck to park there. Not looking for suggestions but actual contacts
January 11, 2025 at 8:56 PM
Please share: I have a friend with access to food trucks in LA that is looking for locations to set them up this weekend that will be useful to the largest number of people and will allow a food truck to park there. Not looking for suggestions but actual contacts
Reposted by Valerie Payré
Here is an ongoing list of LA restaurants that are offering shelter, food, and support to first responders and evacuees:
bit.ly/LAaid
bit.ly/LAaid
L.A. restaurants offering shelter, discounts and food to fire evacuees and first responders
These L.A. restaurants and coffee shops are staying open to shelter evacuees, offering discounts and, in some cases, free food to evacuees and first responders to the numerous ongoing fires in Souther...
bit.ly
January 9, 2025 at 12:29 AM
Here is an ongoing list of LA restaurants that are offering shelter, food, and support to first responders and evacuees:
bit.ly/LAaid
bit.ly/LAaid
Reposted by Valerie Payré
I have now heard from three friends at JPL who lost their homes this morning. Beyond devastated and heartbroken for them. Want to help however possible (gofundme?). A group is starting to collect info so stay tuned for ways to help.
January 8, 2025 at 7:16 PM
I have now heard from three friends at JPL who lost their homes this morning. Beyond devastated and heartbroken for them. Want to help however possible (gofundme?). A group is starting to collect info so stay tuned for ways to help.
Reposted by Valerie Payré
The fires in LA are having a big impact on the #NASA community. I'm starting to hear that several colleagues at #JPL have lost their homes. I'm so sorry for what you are going through and I hope that you and your families (including pets) are able to stay safe. 🔭🪐🧪
www.space.com/space-explor...
www.space.com/space-explor...
NASA's Jet Propulsion Lab closed due to raging LA fires
"No fire damage so far (some wind damage) but it is very close to the lab. Hundreds of JPLers have been evacuated from their homes & many have lost homes."
www.space.com
January 8, 2025 at 8:50 PM
The fires in LA are having a big impact on the #NASA community. I'm starting to hear that several colleagues at #JPL have lost their homes. I'm so sorry for what you are going through and I hope that you and your families (including pets) are able to stay safe. 🔭🪐🧪
www.space.com/space-explor...
www.space.com/space-explor...
Reposted by Valerie Payré
This is what Venus looks like in the infrared.
The lighter colours come from the lower, super-hot atmosphere *glowing* through the cooler, higher cloud layers.
Image credit: JAXA/ISAS/DARTS/Damia Bouic
The lighter colours come from the lower, super-hot atmosphere *glowing* through the cooler, higher cloud layers.
Image credit: JAXA/ISAS/DARTS/Damia Bouic
January 5, 2025 at 6:07 PM
This is what Venus looks like in the infrared.
The lighter colours come from the lower, super-hot atmosphere *glowing* through the cooler, higher cloud layers.
Image credit: JAXA/ISAS/DARTS/Damia Bouic
The lighter colours come from the lower, super-hot atmosphere *glowing* through the cooler, higher cloud layers.
Image credit: JAXA/ISAS/DARTS/Damia Bouic
Reposted by Valerie Payré
Aperiodic reminder that the Olympus Mons volcano on Mars is wider (590 km) than Saturn's icy moon Enceladus (504 km).
So this image is pretty much to scale.
(Not a real image, mind, but a boy can hope)
So this image is pretty much to scale.
(Not a real image, mind, but a boy can hope)
December 27, 2024 at 9:29 PM
Aperiodic reminder that the Olympus Mons volcano on Mars is wider (590 km) than Saturn's icy moon Enceladus (504 km).
So this image is pretty much to scale.
(Not a real image, mind, but a boy can hope)
So this image is pretty much to scale.
(Not a real image, mind, but a boy can hope)
Reposted by Valerie Payré
#ROSETTA INTERNATIONAL MISSION
COMET #67P/CHURYUMOV-GERASIMENKO
14 feb 2015 Distance: 14.2 km
OSINAC 7x Red Orange Blue filters
rosetta-osiris.eu/image/NAC_20...
ESA/Rosetta/OSIRIS/j. Roger
COMET #67P/CHURYUMOV-GERASIMENKO
14 feb 2015 Distance: 14.2 km
OSINAC 7x Red Orange Blue filters
rosetta-osiris.eu/image/NAC_20...
ESA/Rosetta/OSIRIS/j. Roger
December 28, 2024 at 3:33 PM
#ROSETTA INTERNATIONAL MISSION
COMET #67P/CHURYUMOV-GERASIMENKO
14 feb 2015 Distance: 14.2 km
OSINAC 7x Red Orange Blue filters
rosetta-osiris.eu/image/NAC_20...
ESA/Rosetta/OSIRIS/j. Roger
COMET #67P/CHURYUMOV-GERASIMENKO
14 feb 2015 Distance: 14.2 km
OSINAC 7x Red Orange Blue filters
rosetta-osiris.eu/image/NAC_20...
ESA/Rosetta/OSIRIS/j. Roger
Reposted by Valerie Payré
1/6
Thread: 2 dust storms on Mars, captured by ESA's Mars Express HRSC on the Olympus Mons!
Martian Dust storm number 1 on July 29, 2023 🔭
Full size & more info: flic.kr/p/2qBsEt3
Original non interpolated version here: flic.kr/p/2qBruHB
Processing: Andrea Luck CC BY
Raw data. ESA/DLR/FUBerlin
Thread: 2 dust storms on Mars, captured by ESA's Mars Express HRSC on the Olympus Mons!
Martian Dust storm number 1 on July 29, 2023 🔭
Full size & more info: flic.kr/p/2qBsEt3
Original non interpolated version here: flic.kr/p/2qBruHB
Processing: Andrea Luck CC BY
Raw data. ESA/DLR/FUBerlin
December 23, 2024 at 1:52 PM
1/6
Thread: 2 dust storms on Mars, captured by ESA's Mars Express HRSC on the Olympus Mons!
Martian Dust storm number 1 on July 29, 2023 🔭
Full size & more info: flic.kr/p/2qBsEt3
Original non interpolated version here: flic.kr/p/2qBruHB
Processing: Andrea Luck CC BY
Raw data. ESA/DLR/FUBerlin
Thread: 2 dust storms on Mars, captured by ESA's Mars Express HRSC on the Olympus Mons!
Martian Dust storm number 1 on July 29, 2023 🔭
Full size & more info: flic.kr/p/2qBsEt3
Original non interpolated version here: flic.kr/p/2qBruHB
Processing: Andrea Luck CC BY
Raw data. ESA/DLR/FUBerlin
Reposted by Valerie Payré
We are hiring! Full details at the link below. We are looking for 2 postdocs to work on reconstructing past sea surface temperatures and sea ice distributions as part of the "Past 2 Future" consortium seeking to improve climate models with palaeoclimate data durham.taleo.net/careersectio...
December 18, 2024 at 6:53 PM
We are hiring! Full details at the link below. We are looking for 2 postdocs to work on reconstructing past sea surface temperatures and sea ice distributions as part of the "Past 2 Future" consortium seeking to improve climate models with palaeoclimate data durham.taleo.net/careersectio...