Sarah Leach
@higgssearcher.bsky.social
Science Communicator/Editor, primarily for international organisations in #space exploration and research or #aerospace. Formerly museum and planetarium education and outreach.
A French colleague shared that he was looking forward to eating crepes tonight for Candlemas today and asked if any of us had traditions for it. And I, as the only American in the room, had to be like, "Well, ours is a little weird but..."
PUNXSUTAWNEY, Pa. (AP) — Punxsutawney Phil is said to have seen his shadow, predicting 6 more weeks of winter weather.
February 2, 2026 at 3:28 PM
A French colleague shared that he was looking forward to eating crepes tonight for Candlemas today and asked if any of us had traditions for it. And I, as the only American in the room, had to be like, "Well, ours is a little weird but..."
Check out the latest on the ongoing space weather event — including one of my aurora photos from last night ☺️
ESA is closely monitoring a notable space weather event, first detected at 18:09 UTC on 18 January 2026.
Aurora were observed over Europe last night and continued high levels of space weather activity are anticipated over the coming days.
www.esa.int/Space_Safety...
@esaspaceweather.esa.int
Aurora were observed over Europe last night and continued high levels of space weather activity are anticipated over the coming days.
www.esa.int/Space_Safety...
@esaspaceweather.esa.int
ESA monitoring January 2026 space weather event
The European Space Agency’s (ESA) Space Weather Office is closely monitoring a notable space weather event, first detected 18:09 UTC on Sunday, 18 January 2026. We are collecting detailed information ...
www.esa.int
January 20, 2026 at 3:41 PM
Check out the latest on the ongoing space weather event — including one of my aurora photos from last night ☺️
Reposted by Sarah Leach
the knitters too. this is the top pattern on ravelry right now
January 19, 2026 at 4:40 AM
the knitters too. this is the top pattern on ravelry right now
Reposted by Sarah Leach
Your reminder to send your #GoodLuckMMX wishes to Idefix, the DLR/CNES rover, before the 18th of January (this Sunday)!
And don’t forget to collect your boarding certificate! 🥳
You can find the form at the bottom of JAXA’s website:
goodluck-mmx.jp/en/
And don’t forget to collect your boarding certificate! 🥳
You can find the form at the bottom of JAXA’s website:
goodluck-mmx.jp/en/
January 13, 2026 at 12:50 PM
Your reminder to send your #GoodLuckMMX wishes to Idefix, the DLR/CNES rover, before the 18th of January (this Sunday)!
And don’t forget to collect your boarding certificate! 🥳
You can find the form at the bottom of JAXA’s website:
goodluck-mmx.jp/en/
And don’t forget to collect your boarding certificate! 🥳
You can find the form at the bottom of JAXA’s website:
goodluck-mmx.jp/en/
Reposted by Sarah Leach
hi, political philosopher here! this is not funny, central banks only do this when they're in extreme distress
Video message from Federal Reserve Chair Jerome H. Powell:
www.youtube.com/watch?v=KckG...
www.federalreserve.gov/newsevents/s...
www.youtube.com/watch?v=KckG...
www.federalreserve.gov/newsevents/s...
Statement by Federal Reserve Chair Jerome H. Powell
YouTube video by Federal Reserve
www.youtube.com
January 12, 2026 at 1:04 AM
hi, political philosopher here! this is not funny, central banks only do this when they're in extreme distress
Reposted by Sarah Leach
From all of us here to all of you out there, Happy New Year.
Science First !
Science First !
January 1, 2026 at 12:45 PM
From all of us here to all of you out there, Happy New Year.
Science First !
Science First !
My first week at CERN I went to a lecture on particle physics education where they explained that the high schoolers will struggle with the idea that particles can be emitted before they are absorbed.
And all the physicists nodded as if they had never before realised that was a difficult thought.
And all the physicists nodded as if they had never before realised that was a difficult thought.
The universe does things on a subatomic level that would get you arrested for bank fraud if you tried the financial equivalent.
November 19, 2025 at 5:07 PM
My first week at CERN I went to a lecture on particle physics education where they explained that the high schoolers will struggle with the idea that particles can be emitted before they are absorbed.
And all the physicists nodded as if they had never before realised that was a difficult thought.
And all the physicists nodded as if they had never before realised that was a difficult thought.
Reposted by Sarah Leach
We're happy to join ISC and other fellow affiliated bodies in standing up for global climate-change research.
Space research is key for understanding how our planet is changing, so reductions in funding will have lasting impacts on decision-making, including adaptation and mitigation strategies.
Space research is key for understanding how our planet is changing, so reductions in funding will have lasting impacts on decision-making, including adaptation and mitigation strategies.
🔴 The global scientific community urges continued support for scientific research and collaboration to respond to climate crisis.
Read and share the statement: https://council.science/statements/climate-science/
Read and share the statement: https://council.science/statements/climate-science/
November 4, 2025 at 1:52 PM
We're happy to join ISC and other fellow affiliated bodies in standing up for global climate-change research.
Space research is key for understanding how our planet is changing, so reductions in funding will have lasting impacts on decision-making, including adaptation and mitigation strategies.
Space research is key for understanding how our planet is changing, so reductions in funding will have lasting impacts on decision-making, including adaptation and mitigation strategies.
Reposted by Sarah Leach
Do you know any teachers in #Cyprus? Help us spread the word about our Public Outreach and Education Weekend in Nicosia 8-9 Nov!
The free event includes introductions to authentic science programmes, plus networking with space educators and experts: www.cospar-assembly.org/admin/sessio... #STEM
The free event includes introductions to authentic science programmes, plus networking with space educators and experts: www.cospar-assembly.org/admin/sessio... #STEM
October 30, 2025 at 2:13 PM
Do you know any teachers in #Cyprus? Help us spread the word about our Public Outreach and Education Weekend in Nicosia 8-9 Nov!
The free event includes introductions to authentic science programmes, plus networking with space educators and experts: www.cospar-assembly.org/admin/sessio... #STEM
The free event includes introductions to authentic science programmes, plus networking with space educators and experts: www.cospar-assembly.org/admin/sessio... #STEM
Reposted by Sarah Leach
But you will not improve them by gutting public services, leaving the EU or trying to be a European Trump. This is a gem of a place where we’re lucky to live; let’s keep it that way!
October 29, 2025 at 8:24 AM
But you will not improve them by gutting public services, leaving the EU or trying to be a European Trump. This is a gem of a place where we’re lucky to live; let’s keep it that way!
Reposted by Sarah Leach
Bernard Foing, of COSPAR SC B and PEX, has been busy in the run-up to the Symposium! Last week he promoted COSPAR at the 25th CIEP in Shanghai, China.
There he had the chance to help strengthen connections between China and the global space community, and to catch up with friends of COSPAR.
There he had the chance to help strengthen connections between China and the global space community, and to catch up with friends of COSPAR.
October 27, 2025 at 2:31 PM
Bernard Foing, of COSPAR SC B and PEX, has been busy in the run-up to the Symposium! Last week he promoted COSPAR at the 25th CIEP in Shanghai, China.
There he had the chance to help strengthen connections between China and the global space community, and to catch up with friends of COSPAR.
There he had the chance to help strengthen connections between China and the global space community, and to catch up with friends of COSPAR.
I hate that in 2025 the only way I can get help from a large corporation for a non-standard problem is to be mean to their AI chatbot until it panics and connects me to a human.
Am I mean to customer service when it’s a human? No.
Do I have to be when customer service is a chatbot? Yes.
Am I mean to customer service when it’s a human? No.
Do I have to be when customer service is a chatbot? Yes.
October 8, 2025 at 9:34 PM
I hate that in 2025 the only way I can get help from a large corporation for a non-standard problem is to be mean to their AI chatbot until it panics and connects me to a human.
Am I mean to customer service when it’s a human? No.
Do I have to be when customer service is a chatbot? Yes.
Am I mean to customer service when it’s a human? No.
Do I have to be when customer service is a chatbot? Yes.
Reposted by Sarah Leach
🍂Happy #AutumnEquinox! We're getting our coats out of the closet and are ready to embrace longer but cosier nights. What are you looking forward to this season?
#Meteosat-12 captured this image of the seasons changing from #space at 06:20 UTC on Tuesday 23 September.
#Meteosat-12 captured this image of the seasons changing from #space at 06:20 UTC on Tuesday 23 September.
September 23, 2025 at 9:59 AM
🍂Happy #AutumnEquinox! We're getting our coats out of the closet and are ready to embrace longer but cosier nights. What are you looking forward to this season?
#Meteosat-12 captured this image of the seasons changing from #space at 06:20 UTC on Tuesday 23 September.
#Meteosat-12 captured this image of the seasons changing from #space at 06:20 UTC on Tuesday 23 September.
Reposted by Sarah Leach
Reposted by Sarah Leach
Earthquakes, extreme weather, accidents – how do we prepare for such devastating events?
We participated in NATO's civil disaster exercise last week to test technologies that help keep people, property and rescue workers safe during emergency situations: www.dlr.de/en/latest/ne...
We participated in NATO's civil disaster exercise last week to test technologies that help keep people, property and rescue workers safe during emergency situations: www.dlr.de/en/latest/ne...
September 16, 2025 at 8:03 AM
Earthquakes, extreme weather, accidents – how do we prepare for such devastating events?
We participated in NATO's civil disaster exercise last week to test technologies that help keep people, property and rescue workers safe during emergency situations: www.dlr.de/en/latest/ne...
We participated in NATO's civil disaster exercise last week to test technologies that help keep people, property and rescue workers safe during emergency situations: www.dlr.de/en/latest/ne...
Reposted by Sarah Leach
🥳PLATO, @esa.int's planet-hunting space telescope, has arrived at their ESTEC facility in the Netherlands, after its successful integration in Germany in June.
We're looking forward to the next steps, when its solar panels and sunshield are fitted ahead of the planned launch in 2026! 🔭 #Exoplanets
We're looking forward to the next steps, when its solar panels and sunshield are fitted ahead of the planned launch in 2026! 🔭 #Exoplanets
September 12, 2025 at 8:42 AM
🥳PLATO, @esa.int's planet-hunting space telescope, has arrived at their ESTEC facility in the Netherlands, after its successful integration in Germany in June.
We're looking forward to the next steps, when its solar panels and sunshield are fitted ahead of the planned launch in 2026! 🔭 #Exoplanets
We're looking forward to the next steps, when its solar panels and sunshield are fitted ahead of the planned launch in 2026! 🔭 #Exoplanets
Reposted by Sarah Leach
Big news from the edge of space! ✨🎈
Our OSAS-B instrument just made the first-ever high-precision measurements of atomic oxygen at 31 km altitude – from a balloon! In collaboration with @cnes.fr and CSA, the balloon was successfully launched from Canada as part of the #StratoScience2025 campaign!
Our OSAS-B instrument just made the first-ever high-precision measurements of atomic oxygen at 31 km altitude – from a balloon! In collaboration with @cnes.fr and CSA, the balloon was successfully launched from Canada as part of the #StratoScience2025 campaign!
September 2, 2025 at 2:54 PM
Big news from the edge of space! ✨🎈
Our OSAS-B instrument just made the first-ever high-precision measurements of atomic oxygen at 31 km altitude – from a balloon! In collaboration with @cnes.fr and CSA, the balloon was successfully launched from Canada as part of the #StratoScience2025 campaign!
Our OSAS-B instrument just made the first-ever high-precision measurements of atomic oxygen at 31 km altitude – from a balloon! In collaboration with @cnes.fr and CSA, the balloon was successfully launched from Canada as part of the #StratoScience2025 campaign!
Reposted by Sarah Leach
A new era in weather forecasting begins. 🚀
#MetopSGA1 - carrying the Copernicus Sentinel-5 mission onboard - successfully launched from Kourou on an #Ariane6 rocket at 02:37 CEST.
Together they’ll deliver sharper forecasts, stronger climate data, & vital air quality insights: bit.ly/40WRNC8
#VA264
#MetopSGA1 - carrying the Copernicus Sentinel-5 mission onboard - successfully launched from Kourou on an #Ariane6 rocket at 02:37 CEST.
Together they’ll deliver sharper forecasts, stronger climate data, & vital air quality insights: bit.ly/40WRNC8
#VA264
August 13, 2025 at 3:08 AM
A new era in weather forecasting begins. 🚀
#MetopSGA1 - carrying the Copernicus Sentinel-5 mission onboard - successfully launched from Kourou on an #Ariane6 rocket at 02:37 CEST.
Together they’ll deliver sharper forecasts, stronger climate data, & vital air quality insights: bit.ly/40WRNC8
#VA264
#MetopSGA1 - carrying the Copernicus Sentinel-5 mission onboard - successfully launched from Kourou on an #Ariane6 rocket at 02:37 CEST.
Together they’ll deliver sharper forecasts, stronger climate data, & vital air quality insights: bit.ly/40WRNC8
#VA264
Reposted by Sarah Leach
🛰️⛈️#METimage is ready to launch on @eumetsat.int’s #MetopSGA1 next week!
The German designed and built instrument was developed under the leadership of the @dlr-spaceagency.bsky.social and will improve short-term weather forecasts, including during extreme weather events.
ℹ️ www.dlr.de/en/latest/ne...
The German designed and built instrument was developed under the leadership of the @dlr-spaceagency.bsky.social and will improve short-term weather forecasts, including during extreme weather events.
ℹ️ www.dlr.de/en/latest/ne...
August 5, 2025 at 3:14 PM
🛰️⛈️#METimage is ready to launch on @eumetsat.int’s #MetopSGA1 next week!
The German designed and built instrument was developed under the leadership of the @dlr-spaceagency.bsky.social and will improve short-term weather forecasts, including during extreme weather events.
ℹ️ www.dlr.de/en/latest/ne...
The German designed and built instrument was developed under the leadership of the @dlr-spaceagency.bsky.social and will improve short-term weather forecasts, including during extreme weather events.
ℹ️ www.dlr.de/en/latest/ne...
Reposted by Sarah Leach
🚀 Space is a lonely place! 🌌
The SOLIS8 pilot isolation study has concluded! 6 volunteers spend 8 days completely cut off from the outside world, to simulate real space mission conditions. This lays the groundwork for the longer SOLIS100 study planned for 2026.
ℹ️
www.dlr.de/en/latest/ne...
The SOLIS8 pilot isolation study has concluded! 6 volunteers spend 8 days completely cut off from the outside world, to simulate real space mission conditions. This lays the groundwork for the longer SOLIS100 study planned for 2026.
ℹ️
www.dlr.de/en/latest/ne...
July 15, 2025 at 12:07 PM
🚀 Space is a lonely place! 🌌
The SOLIS8 pilot isolation study has concluded! 6 volunteers spend 8 days completely cut off from the outside world, to simulate real space mission conditions. This lays the groundwork for the longer SOLIS100 study planned for 2026.
ℹ️
www.dlr.de/en/latest/ne...
The SOLIS8 pilot isolation study has concluded! 6 volunteers spend 8 days completely cut off from the outside world, to simulate real space mission conditions. This lays the groundwork for the longer SOLIS100 study planned for 2026.
ℹ️
www.dlr.de/en/latest/ne...
Reposted by Sarah Leach
Destination Earth is an initiative to build a replica of our planet.
New data bridges, digital twins and the DestinE Platform - discover what has already been achieved by the organisations chosen by the European Commission to bring this vision to life: destination-earth.eu/news/destine...
#DestinE
New data bridges, digital twins and the DestinE Platform - discover what has already been achieved by the organisations chosen by the European Commission to bring this vision to life: destination-earth.eu/news/destine...
#DestinE
July 4, 2025 at 8:26 AM
Destination Earth is an initiative to build a replica of our planet.
New data bridges, digital twins and the DestinE Platform - discover what has already been achieved by the organisations chosen by the European Commission to bring this vision to life: destination-earth.eu/news/destine...
#DestinE
New data bridges, digital twins and the DestinE Platform - discover what has already been achieved by the organisations chosen by the European Commission to bring this vision to life: destination-earth.eu/news/destine...
#DestinE
Reposted by Sarah Leach
Happy birthday to #MarsExpress! The #HRSC continues to produce stunning and enlightening images to this day, like this recent set of photos showing Martian dust devils and yardangs: www.dlr.de/en/latest/ne... #Mars #planetsci
#OTD 3 July 2003, @esa.int's #MarsExpress was pointed backwards to obtain a view of the #Earth-#Moon system from a distance of 8 million km while on its way to #Mars 🧪🔭
www.esa.int/ESA_Multimed... @science.esa.int @dlr-de.bsky.social @dlr-spaceagency.bsky.social @freieuniversitaet.bsky.social
www.esa.int/ESA_Multimed... @science.esa.int @dlr-de.bsky.social @dlr-spaceagency.bsky.social @freieuniversitaet.bsky.social
July 4, 2025 at 9:27 AM
Happy birthday to #MarsExpress! The #HRSC continues to produce stunning and enlightening images to this day, like this recent set of photos showing Martian dust devils and yardangs: www.dlr.de/en/latest/ne... #Mars #planetsci
Reposted by Sarah Leach
July 1, 2025 at 7:13 PM
Reposted by Sarah Leach
🚀 #EXPLORE1 Analog Mission: The Mission has begun! 🌍→🔴
👩🚀👨🚀The wait is over! 9 students from Greece, Austria, and Portugal arrived in Alqueva, Portugal yesterday - where the unique landscape and extreme conditions make it the perfect "Mars on Earth" for training the next generation of explorers!
👩🚀👨🚀The wait is over! 9 students from Greece, Austria, and Portugal arrived in Alqueva, Portugal yesterday - where the unique landscape and extreme conditions make it the perfect "Mars on Earth" for training the next generation of explorers!
June 23, 2025 at 4:06 PM
🚀 #EXPLORE1 Analog Mission: The Mission has begun! 🌍→🔴
👩🚀👨🚀The wait is over! 9 students from Greece, Austria, and Portugal arrived in Alqueva, Portugal yesterday - where the unique landscape and extreme conditions make it the perfect "Mars on Earth" for training the next generation of explorers!
👩🚀👨🚀The wait is over! 9 students from Greece, Austria, and Portugal arrived in Alqueva, Portugal yesterday - where the unique landscape and extreme conditions make it the perfect "Mars on Earth" for training the next generation of explorers!