Hayley Williamson
@hayleynspace.bsky.social
Space physicist at IRF Kiruna doing data analysis and archiving for Rosetta, BepiColombo, and Mars Express.
Not that an actual good snow after weeks of slush and ice isn't nice, but it always seems to be cloudy here when there's a big geomagnetic storm!
Or alternatively they happen when it's still not dark at night, that's also an option.
Or alternatively they happen when it's still not dark at night, that's also an option.
November 12, 2025 at 9:54 AM
Not that an actual good snow after weeks of slush and ice isn't nice, but it always seems to be cloudy here when there's a big geomagnetic storm!
Or alternatively they happen when it's still not dark at night, that's also an option.
Or alternatively they happen when it's still not dark at night, that's also an option.
Damn.
4 days of seismic records from a seismic station in Jamaica shows Hurricane Melissa roaring towards the island.
Hurricanes increase the amplitude of ocean waves which beat on the coast and sea floor. These produce Rayleigh waves that can be seen as increasingly thick “wiggles” in seismic records 🧪
Hurricanes increase the amplitude of ocean waves which beat on the coast and sea floor. These produce Rayleigh waves that can be seen as increasingly thick “wiggles” in seismic records 🧪
October 28, 2025 at 3:01 PM
Damn.
Reposted by Hayley Williamson
📣It's tiiiiiime!
The European #SpaceWeather Week #ESWW2025 in Umeå 🇸🇪 has kicked off today!
☀️✨🍭🌍📡🛰️⚡️✈️🚀👨🚀
There's lots going on for ESA and the ESA SWE Service Network at ESWW with contributions across many sessions.
We'll be sharing some highlights over the coming week👀
#SpaceSafety
The European #SpaceWeather Week #ESWW2025 in Umeå 🇸🇪 has kicked off today!
☀️✨🍭🌍📡🛰️⚡️✈️🚀👨🚀
There's lots going on for ESA and the ESA SWE Service Network at ESWW with contributions across many sessions.
We'll be sharing some highlights over the coming week👀
#SpaceSafety
October 27, 2025 at 8:00 AM
📣It's tiiiiiime!
The European #SpaceWeather Week #ESWW2025 in Umeå 🇸🇪 has kicked off today!
☀️✨🍭🌍📡🛰️⚡️✈️🚀👨🚀
There's lots going on for ESA and the ESA SWE Service Network at ESWW with contributions across many sessions.
We'll be sharing some highlights over the coming week👀
#SpaceSafety
The European #SpaceWeather Week #ESWW2025 in Umeå 🇸🇪 has kicked off today!
☀️✨🍭🌍📡🛰️⚡️✈️🚀👨🚀
There's lots going on for ESA and the ESA SWE Service Network at ESWW with contributions across many sessions.
We'll be sharing some highlights over the coming week👀
#SpaceSafety
Reposted by Hayley Williamson
ESA’s Jupiter Icy Moons Explorer (Juice) spacecraft is ready to aim its instruments at interstellar comet 3I/ATLAS! 🪐☄️
Here’s what’s happening and why it’s such a rare opportunity 🧵
Here’s what’s happening and why it’s such a rare opportunity 🧵
October 24, 2025 at 2:22 PM
ESA’s Jupiter Icy Moons Explorer (Juice) spacecraft is ready to aim its instruments at interstellar comet 3I/ATLAS! 🪐☄️
Here’s what’s happening and why it’s such a rare opportunity 🧵
Here’s what’s happening and why it’s such a rare opportunity 🧵
No Step 2 for my ESA F3 proposal :(
October 7, 2025 at 2:43 PM
No Step 2 for my ESA F3 proposal :(
Reposted by Hayley Williamson
I do not want to enable location services. I do not want to create an account. I do not want to sign up for special offers and news about your product. I would like to engage in a simple transaction where I give you money in exchange for a good.
September 30, 2025 at 1:30 AM
I do not want to enable location services. I do not want to create an account. I do not want to sign up for special offers and news about your product. I would like to engage in a simple transaction where I give you money in exchange for a good.
Thanks for featuring my paper! This was a first for me, it's cool that people are interested :)
Michelle's final paper takes us through BepiColombo's latest results on the magnetosphere of Mercury with data taken form 3 fly-bys over the nightside of the planet. Listen to learn more about the complex snap-backs and plasma flows of this little planet. 🔭 ☄️ arxiv.org/abs/2509.17872
September 30, 2025 at 8:56 AM
Thanks for featuring my paper! This was a first for me, it's cool that people are interested :)
Reposted by Hayley Williamson
Happy 100th anniversary to Cecilia Payne-Gaposchkin’s extraordinary thesis!
Happy birthday to astrophysicist Cecilia Payne-Gaposchkin (1900-1979), a trailblazer for women in #astronomy who discovered that hydrogen & helium are the most common elements in the universe. 🐡🧪👩🏼🔬🎢🔭
Born England, she won a scholarship to Newnham College at Cambridge in 1919 where she heard 🧵1/n
Born England, she won a scholarship to Newnham College at Cambridge in 1919 where she heard 🧵1/n
September 24, 2025 at 12:23 PM
Happy 100th anniversary to Cecilia Payne-Gaposchkin’s extraordinary thesis!
Check out my new paper on arXiv!
We used data from IRF's ion sensor, MIPA, to compare Mercury's magnetosphere from BepiColombo's first three flybys. The second and third show evidence of an energetic process called bursty bulk flow that isn't seen in the first.
arxiv.org/abs/2509.17872
We used data from IRF's ion sensor, MIPA, to compare Mercury's magnetosphere from BepiColombo's first three flybys. The second and third show evidence of an energetic process called bursty bulk flow that isn't seen in the first.
arxiv.org/abs/2509.17872
BepiColombo at Mercury: Three flybys, three magnetospheres
We examine the first three BepiColombo Mercury flybys Using data from the Miniature Ion Precipitation Analyzer (MIPA), an ion mass analyzer in the Search for Exospheric Refilling and Natural Abundance...
arxiv.org
September 23, 2025 at 7:19 AM
Check out my new paper on arXiv!
We used data from IRF's ion sensor, MIPA, to compare Mercury's magnetosphere from BepiColombo's first three flybys. The second and third show evidence of an energetic process called bursty bulk flow that isn't seen in the first.
arxiv.org/abs/2509.17872
We used data from IRF's ion sensor, MIPA, to compare Mercury's magnetosphere from BepiColombo's first three flybys. The second and third show evidence of an energetic process called bursty bulk flow that isn't seen in the first.
arxiv.org/abs/2509.17872
Reposted by Hayley Williamson
BEARS BEARS BIG FAT BEARS
GUESS WHAT WEEK IT IS
September 23, 2025 at 5:24 AM
BEARS BEARS BIG FAT BEARS
Uhh. Are nasa.gov and all associated sites like NAIF and PDS down for everyone?
NASA
NASA.gov brings you the latest news, images and videos from America's space agency, pioneering the future in space exploration, scientific discovery and aeronautics research.
nasa.gov
September 22, 2025 at 2:45 PM
Uhh. Are nasa.gov and all associated sites like NAIF and PDS down for everyone?
Me when arXiv is giving a 503 error at log in so I can't submit my paper
a man in a suit and tie is running down a sidewalk with the words let me in written on it .
Alt: a man in a suit and tie is running down a sidewalk and yelling LET ME INNNNN as he grabs a fence
media.tenor.com
September 22, 2025 at 9:35 AM
Me when arXiv is giving a 503 error at log in so I can't submit my paper
Reposted by Hayley Williamson
also an excellent further way to police and blame pregnant women!
Stands on rooftops: 📣 🗣️
🗣️THERE IS NO LINK BTW ACETAMINOPHEN & AUTISM. IT HAS BEEN STUDIED FOR MANY YEARS IN MILLIONS OF PEOPLE.
🗣️THE ONLY REASON THEY ARE TALKING ABT THIS IS THAT THEY DO NOT WANT AUTISTIC PEOPLE TO EXIST.
🗣️IT IS EUGENICS.
THANK YOU FOR YOUR ATTENTION IN THIS MATTER. -EmilyPhD
🗣️THERE IS NO LINK BTW ACETAMINOPHEN & AUTISM. IT HAS BEEN STUDIED FOR MANY YEARS IN MILLIONS OF PEOPLE.
🗣️THE ONLY REASON THEY ARE TALKING ABT THIS IS THAT THEY DO NOT WANT AUTISTIC PEOPLE TO EXIST.
🗣️IT IS EUGENICS.
THANK YOU FOR YOUR ATTENTION IN THIS MATTER. -EmilyPhD
+follow $ trail on Tylenol claims, too! Look at who authored latest "study" this admin will trot out as their "evidence"! Look at that author's COI! Note that 2024 JAMA study found no link& attributed prev, v weak findings to confounding! Ask a science journalist!
buttondown.com/TPGA/archive...
buttondown.com/TPGA/archive...
September 22, 2025 at 4:28 AM
also an excellent further way to police and blame pregnant women!
Reposted by Hayley Williamson
Spicy academic round 2: Every time the government talks about cutting things like NASA and NSF to save money so they can boost the economy, it's like they forget how much of that money goes to salaries. I have twice, while driving, gotten phone calls I was required to answer from NASA folks.
September 21, 2025 at 6:51 PM
Spicy academic round 2: Every time the government talks about cutting things like NASA and NSF to save money so they can boost the economy, it's like they forget how much of that money goes to salaries. I have twice, while driving, gotten phone calls I was required to answer from NASA folks.
Reposted by Hayley Williamson
When flagship programs are underfunded by Congress, NASA & NSF have to find that money elsewhere, which means cutting programs that are paying the salaries of researchers and people supporting research.
Bottom line - stop calling it "cutting waste" when the gov't cuts science. It's mass layoffs.
Bottom line - stop calling it "cutting waste" when the gov't cuts science. It's mass layoffs.
September 21, 2025 at 6:51 PM
When flagship programs are underfunded by Congress, NASA & NSF have to find that money elsewhere, which means cutting programs that are paying the salaries of researchers and people supporting research.
Bottom line - stop calling it "cutting waste" when the gov't cuts science. It's mass layoffs.
Bottom line - stop calling it "cutting waste" when the gov't cuts science. It's mass layoffs.
Reposted by Hayley Williamson
Katalin Karikó on the status economy of academia. She’s the hero we don’t deserve.
Source: josephnoelwalker.com/147-katalin-...
Source: josephnoelwalker.com/147-katalin-...
![There is a “centre” where the money, the fame, is; most likely your proposal gets funded because it’s on the most favourable topic. Maybe today, RNA is [most favourable]. If you are working with mRNA, maybe that's the centre there.
And then there are people in the periphery. There is no fame, there is no money, no nothing there. The only thing in the periphery is freedom. You can do what you like to do, what you feel is important.
Here’s what a proposal is: why they should give me money. And they should question that. “She came from university nobody knew about.” “She never had a mentor who was famous.”
And somehow it gravitates always to the same people, same circle. They get published there, they get the money. And that's another explanation: I was not famous enough or didn't have anybody who would support me in a way that somebody that’s a famous and well-established scientist stands behind you and says, “Oh, look at this, it’s good.”](https://cdn.bsky.app/img/feed_thumbnail/plain/did:plc:h6srr75ahvugj6gts7ql4cpl/bafkreie7jkxonqwgbbcuni4dh54nhodteq24wv4dp6smnvsomdpwpve4we@jpeg)
October 3, 2023 at 8:20 AM
Katalin Karikó on the status economy of academia. She’s the hero we don’t deserve.
Source: josephnoelwalker.com/147-katalin-...
Source: josephnoelwalker.com/147-katalin-...
Finally submitted a paper I've been working on for close to two years at this point, woo!
September 19, 2025 at 1:00 PM
Finally submitted a paper I've been working on for close to two years at this point, woo!
Reposted by Hayley Williamson
The 2026 #SchweickartPrize application period is officially open! Graduate students - submit your innovative ideas in planetary defense for the chance to win a $10,000 prize and showcase your leadership skills globally. Start your application today: www.schweickartprize.org/for-students
For Students
www.schweickartprize.org
September 15, 2025 at 6:22 PM
The 2026 #SchweickartPrize application period is officially open! Graduate students - submit your innovative ideas in planetary defense for the chance to win a $10,000 prize and showcase your leadership skills globally. Start your application today: www.schweickartprize.org/for-students
Finally got a much-needed eye exam after months of squinting to read anything farther than computer distance and yup, my eyes have gotten worse 😅 I'm really looking forward getting my new glasses, I could feel so much tension around my eyes disappear wearing the test lenses!
September 16, 2025 at 5:16 PM
Finally got a much-needed eye exam after months of squinting to read anything farther than computer distance and yup, my eyes have gotten worse 😅 I'm really looking forward getting my new glasses, I could feel so much tension around my eyes disappear wearing the test lenses!
Reposted by Hayley Williamson
Sunflowers don't close at night. I'd like to think their little antenna dishes, each pointed to a different point in the sky, are tuned to the stars.
September 15, 2025 at 5:52 AM
Sunflowers don't close at night. I'd like to think their little antenna dishes, each pointed to a different point in the sky, are tuned to the stars.
I have very fond memories from when I was an intern at Goddard of watching Curiosity land in their auditorium and helping with their Venus transiting the Sun event. I hope the petition works.
The petition link is in the article - if you’re in the local DMV community you can sign for support!
The linked article notes that the union for Goddard Space Flight Center employees has asked for signatures on a petition requesting that this decision be reconsidered and the visitor center kept open: hyattsvillewire.com/2025/09/12/g...
September 15, 2025 at 10:03 AM
I have very fond memories from when I was an intern at Goddard of watching Curiosity land in their auditorium and helping with their Venus transiting the Sun event. I hope the petition works.
Reposted by Hayley Williamson
NASA has a proposal to re-commission the OSIRIS-REx spacecraft for the exact purpose. It's healthy, & up for a 2029 mission—total cost $200 Million, $50 Million already spent. President Trump wants to kill it. Here's more on the OSIRIS-APEX mission - osirisrex.arizona.edu/osiris-apex
September 10, 2025 at 5:26 PM
NASA has a proposal to re-commission the OSIRIS-REx spacecraft for the exact purpose. It's healthy, & up for a 2029 mission—total cost $200 Million, $50 Million already spent. President Trump wants to kill it. Here's more on the OSIRIS-APEX mission - osirisrex.arizona.edu/osiris-apex
The hymn was really lovely! I was so impressed they sang in Finnish
Thanks to all who came out to the #EPSCDPS Open Mic Night last night! We had a great crowd, and a great and diverse set of sign-up and walk-on acts including singers, dancers, spoken word, and a mime!
Here's Open Mic Night regulars, the C-Rings performing the Finlandia Hymn.
Here's Open Mic Night regulars, the C-Rings performing the Finlandia Hymn.
September 11, 2025 at 7:10 AM
The hymn was really lovely! I was so impressed they sang in Finnish