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Prof Lucie Green

@luciegreen

Physics Prof at UCL. Sun & space. Vice pesident @popastro. Book: http://amzn.to/2nitfmi

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08.02.2025
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Latest posts by Prof Lucie Green @luciegreen

Interested in doing a PhD in space heritage? If so, this opportunity might be for you!

05.03.2026 14:25 πŸ‘ 3 πŸ” 2 πŸ’¬ 0 πŸ“Œ 0

🀣

05.02.2026 19:08 πŸ‘ 0 πŸ” 0 πŸ’¬ 0 πŸ“Œ 0
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I finally get to see the Sun (in Winchester Cathedral)

05.02.2026 14:47 πŸ‘ 15 πŸ” 2 πŸ’¬ 1 πŸ“Œ 0

Great detective work combined with a stroke of luck!

01.02.2026 09:38 πŸ‘ 5 πŸ” 0 πŸ’¬ 0 πŸ“Œ 1

It’s raining here, sadly!

19.01.2026 22:25 πŸ‘ 1 πŸ” 0 πŸ’¬ 1 πŸ“Œ 0
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#Aurora over Alveston near Bristol. Could see no colour unless looking through the iphone. Now cloudy ☹️

19.01.2026 22:18 πŸ‘ 23 πŸ” 2 πŸ’¬ 3 πŸ“Œ 0
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Amazing data in real time from the @esa.int #SolarOrbiter magnetometer @imperialcollegeldn.bsky.social show that this storm will keep its main Bz > 0 field and its total field will decline, resulting in a West-North-East (WNE) flux rope. At the end there should be an interval Bz < 0 (=more aurora!)

19.01.2026 22:08 πŸ‘ 11 πŸ” 3 πŸ’¬ 1 πŸ“Œ 0

Beautiful!

19.01.2026 21:55 πŸ‘ 9 πŸ” 2 πŸ’¬ 0 πŸ“Œ 0
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Amazing view towards north-east at Hoher Sonnblick in #Austria!
Monday Jan 19 2026 22:40 CEST
#polarlights #northernlights #spaceweather
www.foto-webcam.eu/webcam/klein...

19.01.2026 21:46 πŸ‘ 29 πŸ” 5 πŸ’¬ 1 πŸ“Œ 0

A fast coronal mass ejection from the Sun has arrived at Earth! If you have clear skies tonight, you might be lucky enough to see some aurora. It’s cloudy where I am so send photos!

19.01.2026 21:42 πŸ‘ 5 πŸ” 1 πŸ’¬ 1 πŸ“Œ 0
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Proba-3: our eyes on the Sun’s inner corona Proba-3: our eyes on the Sun’s inner corona

Wow! You have got to see the spectacular prominence eruptions in this latest movie from the European PROBA-3 mission! Congratulations to Andrei Zhukov and his team! πŸ§ͺπŸ›°οΈπŸ”­β˜€οΈ

19.01.2026 16:00 πŸ‘ 55 πŸ” 13 πŸ’¬ 1 πŸ“Œ 1
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The Sun is joined by three planets in the sky this week. Can you guess what they are before opening the thread?

14.01.2026 16:10 πŸ‘ 12 πŸ” 6 πŸ’¬ 1 πŸ“Œ 0
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NASA’s IMAP Reaches Orbit to Start Study of Heliosphere and Space Weather NASA’s Interstellar Mapping and Acceleration Probe (IMAP) has reached its destination of the first Sun-Earth Lagrange point (L1), where it will start its prime mission of studying the heliosphere and ...

NASA’s Interstellar Mapping and Acceleration Probe (IMAP) has reached its destination, from where it will study the inner regions and the edge of the vast magnetic bubble created by the Sun: www.jhuapl.edu/news/news-re...

12.01.2026 23:10 πŸ‘ 5 πŸ” 1 πŸ’¬ 0 πŸ“Œ 0

Congratulations!

09.01.2026 21:55 πŸ‘ 1 πŸ” 0 πŸ’¬ 1 πŸ“Œ 0
LEAPS LEAPS is an opportunity for students with an interest in astronomy and astrophysics to perform a 10 week summer research project in collaboration with a research scientist from Leiden Observatory or ESA/ESTEC. The program is open to all students not currently engaged in a Ph.D. program (please see the full eligibility criteria) We would like to use LEAPS as an opportunity to increase the diversity of researchers in Astronomy as we understand that successful science is supported by this. Students are selected for the program based on their academic achievements and research potential. Each applicant has the opportunity to choose up to two projects of interest, and they are selected by project advisors based on what they indicate their scientific interests and experience to be. Research at Leiden Observatory and ESA/ESTEC takes place on a diverse array of topics (see below for LEAPS 2026 projects), and student projects will likely consist of anything from the analysis of data from world-class telescopes, to large computer simulations, to hands-on work in the astrochemistry laboratories.

Are you (or do you know of) an undergrad with an interest in solar physics? Check out the Leiden/ESA Astrophysics Program for Summer Students (LEAPS 2026). Myself, Andy To and Henrik Eklund invite you to come work with us at ESTEC on "Catching the Solar Wind in Action". leaps.strw.leidenuniv.nl#none

09.01.2026 10:08 πŸ‘ 10 πŸ” 9 πŸ’¬ 0 πŸ“Œ 1
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Venus now begins its long trek into the dusk sky. SOHO’s LASCO C2 coronagraph can also follow Venus right through superior conjunction:

05.01.2026 16:12 πŸ‘ 10 πŸ” 7 πŸ’¬ 0 πŸ“Œ 0

Happy 2026 everyone! This year will see the launch of Smile (Sun-Earth interaction mission), new data/findings from
Euclid (revealing more about the dark Universe), the 20th anniversary of Hinode (solar physics mission) & the re-entry of the remaining two Cluster satellites (magnetosphere mission).

01.01.2026 10:32 πŸ‘ 6 πŸ” 2 πŸ’¬ 0 πŸ“Œ 0
The 2025 winter solstice in the Northern Hemisphere β€” the shortest day (and longest night) of the year and the beginning of the winter season. The event, which also marks the start of summer in the Southern Hemisphere, is caused by Earth's axial tilt and the planet's motion as it orbits around the sun at the center of our Solar System. Earth doesn't sit upright as it circles the Sun. Instead, it orbits on its axis at a tilt of 23.5 degrees. Our planet's Northern and Southern hemispheres take turns with sunlight, trading places when it comes to seasons. So, on the winter solstice, the planet's Northern Hemisphere is turned as far away from the sun as it ever is.

The 2025 winter solstice in the Northern Hemisphere β€” the shortest day (and longest night) of the year and the beginning of the winter season. The event, which also marks the start of summer in the Southern Hemisphere, is caused by Earth's axial tilt and the planet's motion as it orbits around the sun at the center of our Solar System. Earth doesn't sit upright as it circles the Sun. Instead, it orbits on its axis at a tilt of 23.5 degrees. Our planet's Northern and Southern hemispheres take turns with sunlight, trading places when it comes to seasons. So, on the winter solstice, the planet's Northern Hemisphere is turned as far away from the sun as it ever is.

Today is the December solstice at 15:03 GMT/16:03 CET.
This @eumetsat.int MTG‑I1 image from 19 December 2025, 06:00 GMT, shows Earth’s day–night terminator tilted near its annual maximum of about 23.5Β°.

21.12.2025 11:26 πŸ‘ 284 πŸ” 97 πŸ’¬ 5 πŸ“Œ 9
Geminids - Meteor Section Information about the Geminid meteor shower

Stepped outside and immediately saw two very bright shooting stars before some light cloud rolled in. Fantastic! www.popastro.com/meteor/gemin...

13.12.2025 22:39 πŸ‘ 7 πŸ” 0 πŸ’¬ 0 πŸ“Œ 0
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Beautiful morning at the Mullard Space Science Laboratory

03.12.2025 09:11 πŸ‘ 6 πŸ” 0 πŸ’¬ 0 πŸ“Œ 0

Space weather isn’t just about lovely displays of the aurora. There is a very real impact on our technology too.

19.11.2025 22:57 πŸ‘ 14 πŸ” 3 πŸ’¬ 0 πŸ“Œ 0
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NASA may be quietly gutting an iconic campus with what it calls strategic closures, workers fear | CNN Buildings at Goddard’s Maryland campus are being emptied and padlocked, sources say. NASA leadership has pushed back against the concerns.

The Goddard Space Flight Center has played a central role in America’s success in space exploration. It’s shocking to see what is now happening to it edition.cnn.com/2025/11/04/s...

04.11.2025 23:28 πŸ‘ 4 πŸ” 2 πŸ’¬ 0 πŸ“Œ 0
PhD student Aida Seye (UCL Mullard Space Science Laboratory) and Dame Jocelyn Bell Burnell shaking hands

PhD student Aida Seye (UCL Mullard Space Science Laboratory) and Dame Jocelyn Bell Burnell shaking hands

#WorldSpaceWeek πŸš€ PhD student Aida Seye (UCL Mullard Space Science Laboratory) and Dame Jocelyn Bell Burnell discuss shared passions and challenges in chasing cosmic dreams on BBC's Sky at Night programme (from 20 mins 23 secs): bbc.co.uk/iplayer/epis....

#wsw2025 #WomenInScience #SkyAtNight #STEM

07.10.2025 13:49 πŸ‘ 2 πŸ” 3 πŸ’¬ 0 πŸ“Œ 0
Photos of Liz and Helen and this text: The performers

    Liz Bonnin biologist & broadcaster
    Helen Czerski physicist & oceanographer

Wildlife biologist and environmental broadcasterβ€―Liz Bonnin joins physicist and oceanographer Helen Czerski to explore the wonder and fragility of our oceans.

Photos of Liz and Helen and this text: The performers Liz Bonnin biologist & broadcaster Helen Czerski physicist & oceanographer Wildlife biologist and environmental broadcasterβ€―Liz Bonnin joins physicist and oceanographer Helen Czerski to explore the wonder and fragility of our oceans.

On Oct 31st, the London Philharmonic Orchestra will be celebrating the ocean, and the ace @lizbonnin.bsky.social and I will be speaking on stage beforehand about all things ocean. Tickets are available here, if you'd like to join us and immerse yourself in our water world: lpo.org.uk/event/harmon...

02.10.2025 10:47 πŸ‘ 61 πŸ” 16 πŸ’¬ 1 πŸ“Œ 1
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Quarter of UK university physics departments at risk of closing, survey finds Four out of five making staff cuts as physicists say findings are β€˜great concern’ for UK’s leadership in important areas

β€œIn an anonymous survey of (UK Physics) department heads by the Institute of Physics (IoP), 26% said they faced potential closure of their department within the next two years, while 60% said they expected courses to be reduced.”
www.theguardian.com/education/20...

20.09.2025 06:01 πŸ‘ 11 πŸ” 11 πŸ’¬ 1 πŸ“Œ 2
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🌞🎢 Experience the aurora like never before!
Aurora β€” an immersive exhibition turning May 2024 aurora into sound πŸ”Š
πŸ“… Opens 10 Sept, 5–6.30pm
πŸ“ Gallery North, Northumbria Uni, NE1 8QE
#Aurora #SpaceWeather #Sonification #NorthumbriaUni #NewcastleUni #WeAreAllSolarOrbiters

09.09.2025 12:54 πŸ‘ 7 πŸ” 3 πŸ’¬ 1 πŸ“Œ 1

What an incredible journey Solar Orbiter is on!

02.09.2025 10:37 πŸ‘ 7 πŸ” 4 πŸ’¬ 0 πŸ“Œ 0
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For over 25 years, science and discovery centres have been at the heart of inspiring millions of people to explore, question, and be part of UK science and technology.

But they're seriously under threat… 1/3

30.08.2025 14:04 πŸ‘ 406 πŸ” 202 πŸ’¬ 9 πŸ“Œ 22
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There were some nice features on the Sun yesterday.
I have posted more on my Flickr site:
www.flickr.com/photos/eagle...

26.08.2025 15:12 πŸ‘ 3 πŸ” 1 πŸ’¬ 0 πŸ“Œ 0
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Yesterday the Sun produced this moderate-class #SolarFlare. Despite its smaller size, it was a long duration event, continuing for several hours and providing this hypnotic view of beautiful coronal rain (seen in yellow) and Supra-arcade Downflows (seen in cyan). Mesmerising!

23.08.2025 11:58 πŸ‘ 403 πŸ” 100 πŸ’¬ 6 πŸ“Œ 8