IceCube Neutrino Observatory
@uw_icecube
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The IceCube Neutrino Observatory is an array of optical sensors located in Antarctic ice. It detects the presence of subatomic particles called neutrinos.
South Pole, Antarctica
Joined August 2009
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🔔IceCube results to be published in
@ScienceMagazine
tomorrow!
For the first time, IceCube found evidence of high-energy neutrino emission from our galaxy ➡️
📸: IceCube/NSF (Lily Le & Shawn Johnson)/ESO (S. Brunier)
#OurGalaxyInNeutrinos
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📢 Major announcement coming soon!
Join us Thursday, June 29 @ 2:00 PM EDT to hear some exciting IceCube results!
Details ➡️
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After months of darkness, the sun is finally visible on the horizon!
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The detection of neutrino emission from the Milky Way at the
@NSF
-supported IceCube represents the 3rd source of high-energy neutrinos. More sensitive analyses, coupled with the implementation of machine learning methods, were key in the breakthrough.
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🔔New IceCube results to be published in
@ScienceMag
tomorrow!
For the first time, IceCube found evidence of high-energy neutrino emission from NGC 1068, an active galaxy in the constellation Cetus and one of the most familiar and well-studied galaxies.
#IceCubeNGC1068
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Don't make other plans for Thursday, July 12, at 11 am U.S. ET. We have exciting news about
#MultimessengerAstronomy
. More details soon.
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📢 IceCube has observed high-energy neutrino emission from our galaxy, the Milky Way.
Tune in now! ➡️
#OurGalaxyInNeutrinos
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This observation of the Milky Way with high-energy neutrinos will bring us closer to finding specific sources within the galaxy.
Once again, neutrinos have given us a new lens with which to observe the obscure universe.
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✨New IceCube result published today in
@nature
!✨
IceCube has seen a Glashow resonance event, a phenomenon predicted by Nobel laureate physicist Sheldon Glashow in 1960 where an electron antineutrino and an electron interact to produce a W– boson.
➡
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🥇🚨 Gold alert - IceCube observation of a high-energy neutrino candidate event at 2023/10/04 14:39:41 UTC. Find out more at
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📢IceCube has found evidence of high-energy neutrino emission from nearby galaxy NGC 1068. Tune in for details .
#IceCubeNGC1068
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🔔📜 IceCube paper published in EPJ C!
We reported two candidate events for the final unobserved Standard Model cosmic messenger: astrophysical tau neutrinos.
Check out this animation of the "Double Double" event and read the story ➡️
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🥇🚨Gold alert – IceCube observation of a high-energy neutrino candidate event at 2022/12/23 07:43:00 UTC.
Find out more at .
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Wouldn't it be nice to see neutrinos and gravitational waves from a single source? We think so too! Working with
@LIGO
,
@ego_virgo
and ANTARES to make it happen soon!
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🥇🚨Gold alert – IceCube observation of a high-energy neutrino candidate event at 2024/03/27 11:04:49 UTC. Find out more at .
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📢 Major announcement coming soon!
Join us Thursday, November 3 @ 1:00 PM CDT to hear some exciting IceCube results!
Details ➡️”
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Neutrinos are famous for passing through anything and everything. Now, IceCube has demonstrated that they don't, and that Earth stops very energetic neutrinos. Published on
@nature
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🥇🚨 Gold alert - IceCube observation of a high-energy neutrino candidate event at 2023/11/03 09:17:35 UTC. Find out more at
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🥇🚨 Gold alert - IceCube observation of a high-energy neutrino candidate event at 2023/05/06 15:53:45 UTC.
Find out more at .
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We are excited to announce that we are going to start tweeting real-time alerts for interesting neutrino events detected by IceCube! While it won't be perfectly real-time to start, we hope our followers enjoy this insight into our analysis process.
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🥇🚨 Gold alert - IceCube observation of a high-energy neutrino candidate event at 2023/07/08 08:17:05 UTC. Find out more at .
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🥇🚨 Gold alert - IceCube observation of a high-energy neutrino candidate event at 2023/07/07 16:58:50 UTC. Find out more at .
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🥇🚨 Gold alert – IceCube observation of a high-energy neutrino candidate event at 2022/12/29 07:25:27 UTC.
Find out more at .
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📢 The
#OurGalaxyInNeutrinos
results were published in
@ScienceMagazine
today! ✨🌌
If you missed all the excitement yesterday, check out some links below:
Press release ➡️
Webinar ➡️
Paper in Science ➡️
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🔔📜IceCube paper accepted by PRL!
We detected seven candidates for the elusive astrophysical tau neutrino, which represents the most significant detection of the highest energy tau neutrinos ever seen.
Story ➡️
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🎉 Congratulations,
@carguelles314
, on your 2021 IUPAP Young Scientist Prize in Astroparticle Physics! We are proud to have you in the IceCube family. 💙
#ICRC2021
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The sun still isn't officially up but the twilight creates some amazing pictures!
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Ever wonder what it's like to work at one of the coolest places on Earth? Now's your chance! ❄️🧊
Winterover applications for the 2024-25 season are NOW OPEN! Applications are due January 31, 2024.
Find out more and apply here ➡️
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🥉🚨 Bronze alert - IceCube observation of a high-energy neutrino candidate event at 2023/10/14 22:00:06 UTC. Find out more at .
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🥉🚨 Bronze alert - IceCube observation of a high-energy neutrino candidate event at 2023/12/11 00:47:31 UTC. Find out more at .
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IceCube has detected high-energy neutrino emission originating from within the Milky Way! The results were recently published in
@ScienceMagazine
.
In case you missed it, these stories highlight the findings!
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We hear there's a big football game happening tomorrow... 👀 Our
@UWMadison
Polies are sending their support for
@BadgerFootball
in the
#RoseBowl
game—all the way from the South Pole! Go Badgers, freeze Oregon!
#OnWisconsin
👐🌹🏈
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Write it down! Tomorrow at 11 am U.S. ET, press conference about a breakthrough
#MultimessengerAstronomy
.
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Countdown has started. We will be live in one hour at
@NSF
to announce a breakthrough in
#MultimessengerAstronomy
. Watch the press conference live at . Have questions?
#AskIceCube
. We will answer!
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📍 The Milky Way and vivid auroras light up the
@NSF
Amundsen–Scott South Pole Station. Not a bad view for our winterovers! 💚
📸: Yuya Makino, IceCube/NSF
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Congratulations to IceCube collaborator and
@harvardphysics
professor Carlos A. Argüelles Delgado (
@carguelles314
) who has been selected as a 2021
@SloanFoundation
Research Fellow in Physics!
Read our announcement ➡
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🥇🚨 Gold alert - IceCube observation of a high-energy neutrino candidate event at 2024/04/24 01:49:26 UTC. Find out more at: .
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🚨🥉 Bronze alert – IceCube observation of a high-energy neutrino candidate event at 2020/09/21 19:07:12 UTC.
Find out more at .
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Check out this new
#ProfilePic
! 😉
It's not often that we see photos of the iconic IceCube Laboratory from a side view. We're lucky that our beautiful South Pole lab is photogenic from all angles!
From week 28 at the Pole ➡
📸: Martin Wolf, IceCube/NSF
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📢 Today is the day! Join us today @ 2:00 PM EDT to hear some exciting IceCube results.
Details ➡️
📢 Major announcement coming soon!
Join us Thursday, June 29 @ 2:00 PM EDT to hear some exciting IceCube results!
Details ➡️
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We are thrilled to announce that the IceCube Neutrino Observatory is getting an Upgrade! Read our press release:
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📍 During the austral winter, the South Pole is in darkness 24/7...but aurorae and the Milky Way do a pretty good job of lighting up the sky (and the IceCube surface extension)! 🤩
📸: Yuya Makino, IceCube/NSF
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📍 I think we can safely say that this is the most beautiful photo ever taken of the IceCube String
#44
flag. 😍
Check out week 31 at the South Pole 👉
📸: Yuya Makino, IceCube/NSF
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The Milky Way provides a beautiful backdrop for the Vehicle Maintenance Facility (VMF) at the South Pole. 🤩
📸: Yuya Makino, IceCube/NSF
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🚨 We've had an exciting last couple of days! On 2022/06/25 14:14:38 UTC, IceCube detected one of the highest-energy cascade events of recent years (480 TeV), with a high probability of being of astrophysical origin.
Find out more at .
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🥉🚨 Bronze alert - IceCube observation of a high-energy neutrino candidate event at 2024/01/05 12:27:42 UTC. Find out more at .
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🥉🚨Bronze alert – IceCube observation of a high-energy neutrino candidate event at 2023/04/16 05:22:26 UTC. Find out more at .
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🥉🚨 Bronze alert - IceCube observation of a high-energy neutrino candidate event at 2024/04/12 05:33:46 UTC. Find out more at .
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📍 It's dawning on us that it’s getting close to twilight 🌄 at the Pole, with the sun rising slowly to the horizon.
Until then, there's still time to capture a few more auroras & starry skies!
Check out more ⬇️
📸: Aman Chokshi, SPT/NSF (
@aman_chokshi
)
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🚨🥇 Gold alert – IceCube observation of a high-energy neutrino candidate event at 2020/10/07 22:01:49 UTC.
Find out more at .
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📍Last week was insanely cold at the Pole, with temps reaching -100 F. But that didn’t stop the crew from taking the official winterover picture and much more!
Find out more here ➡️
📸: Christian Rahl, GHG
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Lorentz invariance is yet area of physics that IceCube is researching using neutrinos. To find out what we have learned, check out this news article recently published in
@NaturePhysics
.
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📍Last week at the Pole, the bright moon illuminated our winterovers Marc and Hrvoje as they “relaxed” on a snowdrift in front of the IceCube Lab. 🌕❄️
Week 31 ➡️
📸: Marc Jacquart, IceCube/NSF
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🥇🚨 Gold alert – IceCube observation of a high-energy neutrino candidate event at 2023/03/06 10:59:30 UTC.
Find out more at .
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The sun may be on the horizon, but the auroras are still the brightest thing in the sky!
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📍 It’s that time! The sun has set at the Pole and won’t be seen again for about another six months. The winterovers finished up some work outdoors while they still could.🌅
Week 12 ➡️
📸: Margaret Hubbeling, NOAA
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Meet IceCube-Gen2: a bigger, more sensitive detector that will allow us to make even more physics discoveries and continue to probe the mysteries of the universe. 💫
Learn about it in our white paper ➡
...and in our article ➡
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📍IceCube is located in the Dark Sector, which means during the winter all of the windows are covered up. Red light is used outside then since it does not disrupt photosensitive experiments.🚨
Read more about Week 15 ➡️
📸: Marc Jacquart, IceCube/NSF
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🥉🚨 Bronze alert - IceCube observation of a high-energy neutrino candidate event at 2023/07/25 21:30:51 UTC. Find out more at .
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🚨 Paging IceCube winterovers! 🚨 There's some strange activity reported at the Vehicle Maintenance Facility and the IceCube Lab... 🧐
Happy
#StarWarsDay
from IceCube! 💙
#MayTheFourthBeWithYou
#MayThe4th
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Three years ago today, IceCube detected a neutrino coming from TXS 0506+056, a blazar more than 5 billion light-years away! Shortly afterward,
@MAGICtelescopes
&
@NASAFermi
saw a gamma-ray flare in the same spot on the sky.
It was the first known source of high-energy neutrinos.
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📢 IceCube is excited to announce the launch of the “IceCube - Neutrinos in Deep Ice” contest on
@kaggle
! Participants will compete to devise a machine learning solution for a chance to win cash prizes.
Read more about it here ➡️
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IceCube’s winterovers just sat down to take in the view after finishing up some outdoor IceAct snow accumulation measurements. It was a view worth sitting down for. Read more 👉🏽
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📍 Our winterovers realized that time for astrophotography is running short as the darkest part of the (long) polar night is coming to an end. So they wasted no time capturing some timelapse photos. See how they turned out 👉
📸: Yuya Makino, IceCube/NSF
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Francis Halzen and the IceCube Collaboration have been awarded the 2021 Rossi Prize by
@AAS_HEAD
! We are truly honored. 🥰
Our announcement ➡
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Want a
#SelfIsolation
activity from the South Pole? Try the "Walk to Mordor": watch all 3 Lord of the Rings films (extended cuts!) while walking on treadmills.
(...or you can be like IceCube winterover Yuya and just watch while seated with some snacks. 😉)
#StayHome
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📍During week 29, a major solar flare flooded the South Pole sky with some of the brightest auroras of the season so far.
The event only lasted 10 minutes, but luckily SPT winterover Aman Chokshi (
@aman_chokshi
) was able to snap some photos!
Read more ⬇️
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📍 What does your commute look like? Our winterovers get this enviable view on the way to the IceCube Lab. ✨ This shot is from week 33—you can even make out a blue component above the magenta band in the aurora!
Read more ➡
📸: Yuya Makino, IceCube/NSF
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Put your hands in the air if you're excited for the weekend!
#TGIF
📸: Martin Wolf, IceCube/NSF
0
12
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✨ A view that never gets old... ✨
The IceCube Laboratory under an aurora- and star-filled night sky at the South Pole.
📸: Martin Wolf, IceCube/NSF
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Neutrinos and multimessenger astronomy one of the 10 stories of the year by
@ScienceNews
@NSF
@NASAGoddard
@MAGICtelescopes
#SNTop10
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There's nothing more breathtaking than a sunrise with auroras still in the sky.
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Six years ago today, IceCube sent out a neutrino alert that triggered the first successful multi-messenger campaign involving follow-up observations by telescopes worldwide. This led to the first evidence of a source of high-energy cosmic neutrinos, the blazar TXS 0506+056.
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25
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🚨🥇 Gold alert – IceCube observation of a high-energy neutrino candidate event at 2020/06/15 14:49:17 UTC.
Find out more at .
2
16
71
🥉🚨Bronze alert - IceCube observation of a high-energy neutrino candidate event at 2023/05/24 11:09:36 UTC. Find out more at .
1
12
68
📍Winter is coming! ❄️ But before it does, winterover Marc managed to capture this photo of the sun setting behind the ceremonial South Pole.
Week 10 ➡️
📸: Marc Jacquart, IceCube/NSF
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20
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🥉🚨 Bronze alert - IceCube observation of a high-energy neutrino candidate event at 2024/02/04 09:09:00 UTC. Find out more at .
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14
68
📍 Last week at the Pole, a winterover took a break on a large snowdrift to marvel at the skies before trekking back to the station. Soon the sun will be up and these views will be gone until next winter.
More from week 33 ➡️
📸: Yuya Makino, IceCube/NSF
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11
65
Greetings from the South Pole! Enjoy the amazing images that our winterovers are sending from Antarctica.
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📍 The biggest aurora storm of the season swept over the South Pole last Saturday! Our winterovers claim that the sky looked completely green, even without a long-exposure camera.
Read more about week 25 at the Pole 👉
📸: Yuya Makino, IceCube/NSF
0
24
67
Today is the day! Join us today @ 1:00 PM CDT to hear some exciting IceCube results. Director of
@NSF
Physics Division, Denise Caldwell, will give opening remarks.
Details ➡️
0
26
66
Winterovers have lived at the South Pole Station for 9 months and are still impressed by the glorious night sky.
1
27
66
📍 The "last" week of the year at the South Pole was very busy!
Amidst the activities, winterover Moreno labelled a fellow winterover’s photograph of the sun. Check it out below!
Read more➡️
📸: Jeffrey Capps, NSF; adapted by Moreno Baricevic, IceCube/NSF
1
22
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🌟 It's IceCube's 10th anniversary! 🌟
10 years ago today, our detector began full operations when it took its first set of data as a completed instrument. This year, we're celebrating our first decade of discovery!
Learn more about
#IceCube10
➡
5
30
64
🔔📃New IceCube paper published in ApJL!
IceCube recently looked for neutrino emission that correlates with gravitational waves detected by
@LIGO
@ego_virgo
during observing runs O1 & O2. No coincidence was found.
Our news➡
Paper➡
1
15
64
📍Bright and sunny weather graced the Pole last week as everyone congregated for a group holiday photo and other holiday activities like caroling, sledding, watching movies, and more!
Read more about week 52 here ➡️
📸:Michael Rayne, ASC/NSF
1
7
63
🔔📜 IceCube paper submitted to JINST!
We present the results from testing over 10,000 photomultiplier tubes for the multi-PMT digital optical module (mDOM), which was achieved through an impressive 1,000 PMTs tested per week.
Story ➡️
0
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63
❄ Whether or not it's snowing where you are, craft your own winter wonderland with our paper
#IceCubeSnowflakes
!
Choose from 7 IceCube-themed templates inspired by the IceCube Lab, an IceCube sensor, penguins Rosie & Gibbs, and our PI, Francis Halzen ➡
2
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🥉🚨 Bronze alert - IceCube observation of a high-energy neutrino candidate event at 2023/09/14 05:21:03 UTC. Find out more at .
1
10
62
🥉🚨 Bronze alert - IceCube observation of a high-energy neutrino candidate event at 2024/04/19 23:25:41 UTC. Find out more at: .
1
14
63
🚨🥇Gold alert – IceCube observation of a high-energy neutrino candidate event at 2022/2/2 11:48:38.
Find out more at .
0
18
62
🚨🥇 Gold alert – IceCube observation of a high-energy neutrino candidate event at 2020/08/11 02:02:44 UTC.
Find out more at .
1
15
62
📍Every year, the South Pole hosts a full marathon, along with a half marathon and other races. Last week some of our winterovers participated in some of these races.
Read more about week 3 here ➡️
📸:Michael Rayne, ARFF/NSF
2
13
62
📍Last week at the Pole was jam-packed. With it getting darker at the Pole, our winterovers were treated to the first large aurora of the season.
Read more about week 16 here
➡️
📸:Connor Duffy, IceCube/NSF
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23
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12
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