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TsIV

@tsiv.bsky.social
1.9K followers 1.9K following 21 posts

Nature, photography, science, etc…

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Reposted by TsIV
ESA Earth Observation @esaearth.esa.int · 29/04/2026
Some records stand out for the wrong reasons: we are reading the @wmo-global.bsky.social / @copernicusecmwf.bsky.social European State of Climate for 2025 ⬇️ 🌡️ above-average annual temperatures 🔥 record wildfires 🧊 glaciers lost mass read the full report: climate.copernicus.eu/esotc/2025 📷C3S/ECMWF
Map of Europe showing trends in annual surface air temperature from 1996 to 2025. Most of Europe is warming, shown in orange and red, with faster warming in eastern Europe and the Arctic. A cooler region appears in the North Atlantic. Svalbard is highlighted as one of the fastest‑warming areas.
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Phil PlAIt @philplait.bsky.social · 30/03/2026
Need a break from the chaos and madness? Oh my, do I have a brain-melting JWST image for you. Behold, the Red Spider Nebula! badastronomy.beehiiv.com/p/the-red-sp... 🔭 🧪
badastronomy.beehiiv.com
The Red Spider Nebula: JWST’s view of gorgeously dying star
In stellar death lies great beauty, and amazing science
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TsIV @tsiv.bsky.social · 02/01/2026
Snowy egret from a few days ago. #wildlife #birds
A photo of a snowy egret. Taken in Southern California.
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Scientific American @sciam.bsky.social · 27/12/2025
From the first sighting of a colossal squid in the wild to a seriously goofy octopus, 2025 delivered some astounding photos from the ocean’s depths
scientificamerican.com
6 Otherworldly Deep-Sea Images from 2025
From the first sighting of a colossal squid in the wild to a seriously goofy octopus, 2025 delivered some astounding photos from the ocean’s depths
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Astrobot JWST @astrobotjwst.bsky.social · 24/12/2025
New #JWST 🔭 data release for target names: LRN2025abao. Credit: NASA, ESA, CSA, STScI. Take a look at news_by_date.html
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CEE it happen: Common-Envelope Evolution in action with early JWST observations of a stellar merger in M31
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Brymo @brymo.bsky.social · 20/12/2025
Trailside Leopard Lily Shasta, California #flowers #art #photography
A photograph of a leopard lily in the woods
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Martin Bracken - FRAS -CitySpaceAstro @cityspaceastro.bsky.social · 11/11/2025
IC-1805 -The Soul Nebula. HOO process 40 mins from 10th November 2025. ZS61, ASI 585MC, L-eXtreme filter. #astronomy #astrophotography
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Tin Man walking @tinmanbs.bsky.social · 09/11/2025
Science Note If you look closely at tide tables, the day-to-day variations are pretty strange.
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Skye McDavid @skyemcdavid.com · 05/11/2025
Of course the big paper on Azhdarchoid phylogeny comes out while I'm at a museum on a research visit (looking at Azhdarchoid cervicals, obviously) but now I'm back at the hotel so it's time to write a proper thread! 1/28
four giant azhdarchids: Cryodrakon boreas, Hatzegopteryx thambema, Arambourgiania philadelphiae, and Quetzalcoatlus northropi. Original art by Kyra Zhuravel
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Saimi Hanma ⚔️ サイミ @saimihanma.northsky.social · 04/11/2025
Today's #Nudivember took a ridiculously long time to paint considering how simple it is. #TradArt
A watercolor and gauche illustration of a white nudibranch sea slug with orange trim on a dark background
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Uncharismatic Megafauna @liminalitea.bsky.social · 02/11/2025
Today's #Nudivember is Cerberilla tanna. I try to approach each species as they come, but I am a fan of Cerberilla species. Their striped cerata are very cute.
A drawing of a grey sea slug with multiple brown and white striped cerata.
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Nudibranch ウミウシ Appreciation Society @nudibranch.bsky.social · 29/10/2025
Welcome to the 2025 #Nudivember art challenge! Like last year, here is a list of some lesser known, yet always fabulous, nudibranch species. Participate as much or as little as you want in any art form you like. Make sure to use #Nudivember and use alt text!
Nudivember 2025 prompt list
1. Cuthona anulata
2. Cerberilla tanna
3. Halgerda theobroma
4. Glossodoris electra
5. Tambja affinis
6. Diaphorodoris mitsuii
7. Hypselodoris obscura
8. Cerberilla ambonensis
9. Tritonia myrakeenae
10. Chromodoris luteorosea
11. Dendrodoris behrensi
12. Melibe pilosa
13. Doto greenamyeri
14. Cadlinella ornatissima
15. Flabellina ischitana
16. Polycera tricolor
17. Jorunna rubescens
18. Nembrotha cristata
19. Tenellia caerulea
20. Phyllidiopsis sphingis
21. Gymnodoris rubropapulosa
22. Aegires citrinus
23. Okenia mediterranea
24. Mexichromis macropus
25. Hallaxa cryptica
26. Acanthodoris lutea
27. Notodoris minor
28. Favorinus tsuruganus
29. Halgerda brycei
30. Hallaxa fuscescens
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c0nc0rdance @c0nc0rdance.bsky.social · 23/10/2025
A reminder to all scientists & data viz people 🧪: It's Spooky Science Time. Adjust your models to use the paranormal distribution 👻from now until November 1st.
Stolen from the Internet, a cartoon:
A "normal distribution" showing the standard bell-shaped curve with x-axis ticks.
Then below it a ghost-in-a-sheet hovers above a ticked x-axis below which is labeled "paranormal distribution"
The joke is that this kind of ghost is vaguely bell-shaped.
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Jeff VanderMeer @jeffvandermeer.bsky.social · 21/10/2025
Your moments of calm are all otters. 1-Monterey Aquarium rescue otter 2-Wild otter meal coveted by sea gull 3-Wild otter mom with baby You're welcome... 1/3
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Will Gater @willgater.bsky.social · 16/10/2025
Lucky to get some brief glimpses of Comet Lemmon (C/2025 A6) from Dartmoor this evening around the end of astronomical twilight. This is a single 13s shot taken with a tracking mount at 135mm focal length. Looked great in binoculars too with a grey-green coma and short section of the tail visible.
A long exposure photograph of a starry twilight sky with the blurred silhouettes of a treeline forming the foreground along the bottom of the frame. Above on the left hand side are the bright star Cor Caroli (shining through thin cloud giving it a misty appearance) and just above it Comet Lemmon. The comet has a bright greenish coma at its head and there is a faint, white, misty tail extending far across the frame up and to the right.
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Casey Dreier @caseydreier.bsky.social · 17/09/2025
[BREAKING] The Planetary Society and 14 partner organizations released a joint letter calling for explicit NASA science protections in Congress's stopgap spending bill. Read it here: www.planetary.org/press-releas...
planetary.org
Coalition of science, education, and space organizations urges…
A coalition of science, education, labor, and space advocacy organizations today sent a joint letter to congressional appropriations leaders urging them…
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c0nc0rdance @c0nc0rdance.bsky.social · 14/09/2025
In parts of Michigan, you can pick up a fairly ordinary chunk of limestone & with some polishing, reveal a coral formation that was laid down when this area was a tropical sea in the Devonian, 350 MYA. These are Petoskey stones, the state stone of Michigan.
The same rock before and after lapidary polishing.  It's held in a human hand in both instances.  On the left, a plain looking white limestone lump, roughly triangular.  It has a few pits.  On the right, a polished and shiny lump of coral in very roughly hexagonal pattern, a darker grey-brown, with lighter divisions and radiating pattern in each cell.
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Natalia (娜塔莉) @wrycritic.bsky.social · 09/09/2025
A tiny Jurassic pterosaur, Bellubrunnus, wingspan, less than a foot (its head is the size of my fingernail)
The fossilreconstruction hanging from a finger
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Rudolf Hima @himarudolf.bsky.social · 09/09/2025
Jormungandr walhallaensis
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Dr Suresh Singh @palaeosingh.bsky.social · 05/09/2025
Given recent interest in the ankylosaur, Spicomellus & its extreme armour, I thought l'd share this photo of an #aetosaur spike for this #FossilFriday. Highlights how wonderfully weird #Triassic reptiles pioneered many striking traits once thought limited to dinosaurs. #Paleontology #Science 🧵 1/
An aetosaur osteoderm (armour plate) fossil with a large spike sticking out from the centre. Specimen from the collections of the New Mexico Museum of Natural History & Science in Albuquerque, New Mexico, USA.
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Francesco Francavilla @ffrancavilla.bsky.social · 03/09/2025
Having a MONSTROUS September! (And I’m leaving it at that 😜)
A collage of my Universal Monsters posters including Frankenstein, Dracula, Creature from Black Lagoon, wolf man, bride of Frankenstein
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TsIV @tsiv.bsky.social · 01/09/2025
A photo I took a couple years ago of Jupiter. The little yellow spot next to it is its moon Io. #astrophotography #photography
A photo of Jupiter and one of its moons. Taken using a Celestron NexStar 8SE telescope and a ZWO camera.
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ESA Operations @operations.esa.int · 01/09/2025
Flyby success! ESA's Juice spacecraft passed Venus at 07:28 CEST on 31 August. This photo shows our deep-space antenna in Spain in communication with Juice during the flyby. Juice’s current location, Venus, and its destination, Jupiter, are both visible in the sky ❤️
Photo of ESA deep space antenna in Spain with Venus and Jupiter labelled in the night sky
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Chris Fisher @fisherspeaks.bsky.social · 28/08/2025
This is likely the last blazing hot week at the northern edge of lizard-dom. The Mountain Short-horned Lizard will be soaking up the late summer sun before their long idle winter season. #herps
A Mountain Short-horned Lizards standing on exposed rocky substrate in the dying evening light.
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Ethan Kocak @ethankocak.com · 27/08/2025
Clarification: when I say “X animal make terrible pets for most people”, what I really mean is that most people are terrible and wouldn’t be able to do right by that animal, not that the animal is terrible.
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Patrick Lynch @patrlynch1.bsky.social · 20/08/2025
Habitat overview: Coastal tidal streams and brackish marshes. For a forthcoming book STREAMS: An Illustrated Guide, Yale University Press, later in 2026. 🧪🌿🌎🪶🐡 #wildlife #scicomm #sciviz #wildlifeart #illustration #scientificillustration #natureart #visualscicomm #sciviz #scicomm
Brackish marsh and stream habitat diagram. The diagram is based on the Lord Cove area along the Connecticut River in Old Lyme, CT.
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Jack Maynard(he/him) @jhmsparky.bsky.social · 18/08/2025
I have a semi-leucistic Black-capped Chickadee that comes to my backyard fountain once or so a year, and I saw that one a few weeks ago, but this BCCH that appeared yesterday is the real deal for Leucism. #birding
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European Space Agency @esa.int · 13/08/2025
Liftoff of Ariane 6 flight #VA264 launching Metop-SG-A1 and Copernicus Sentinel-5A to orbit!
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Space Telescope Science Institute @stsci.edu · 07/08/2025
Hubble observations of interstellar visitor 3I/ATLAS show that it looks like a comet. It has a teardrop-shaped cocoon of dust coming off a solid icy nucleus. The nucleus is roughly no wider than 3.5 miles (5.6 kilometers): go.nasa.gov/3UenJhD 🔭 🧪
At the center is a comet that appears as a teardrop-shaped bluish cocoon of dust coming off the comet’s solid, icy nucleus, which is almost white, all against a black background. The comet appears to be heading to the bottom left corner. About a dozen short, light blue diagonal streaks are scattered across the view, which are from background stars that appeared to move during the exposure because the telescope was tracking the moving comet.
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Cam Muskelly (Explorer of Deep Time ⏰ ⚒️) @cambriancam.bsky.social · 05/08/2025
I had an awesome time talking about the Cincinnatian Series and my attendance to the Society of Vertebrate Paleontology conference. There was a big turn out!
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Ligus @greyauk.bsky.social · 03/08/2025
Day 2 - (parent) Opabinia #AugArthroAwe My first try at arthropod #paleoart #kleinekunstklasse 🐡
Photo of a watercolour sketchbook

Watercolour/ink sketch of Opabina holding pink eggs.
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Mike Henry @onlyveesaz.bsky.social · 02/08/2025
Saguaro’s last stand 🌵⛅️
Very mature Saguaro on a cloudy morning
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Dr. Laci Brock 🪐 @stellerarts.com · 01/08/2025
Really enjoying working on this Jupiter! Unfortunately it’s hot as balls in my living room though, even with AC & fans 🥵. Might need to invest in a portable unit before the temps hit 110 F (43 C) next week lol. Not as hot in my art room, but I didn’t want fabric pieces to land in my wet paint!
Me taking a selfie with my fabric Jupiter in progress hanging on the wall
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the curse of chelsea cruz @chelccruzy.bsky.social · 30/07/2025
This was the Tsunami update I needed.
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Laura Helmuth @laurahelmuth.bsky.social · 28/07/2025
Science is the most international endeavor in human history. This flagrantly racist administration is destroying the U.S.'s lucrative and life-saving leadership. www.thetransmitter.org/policy/what-... on @thetransmitter.bsky.social
thetransmitter.org
What U.S. science stands to lose without international graduate students and postdoctoral researchers
Neuroscience in other countries will strengthen—at the United States’ expense—as rising visa restrictions and rejections block many international students from enrolling at U.S.
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hunter 🪚🥩 @fleshatronach.bsky.social · 25/07/2025
my grains......
many more b/w acorn weevil scribbles
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Tiago Simões @trsimoes.bsky.social · 22/07/2025
A rare job opportunity for Invertebrate Zoology: fieldmuseum.hrmdirect.com/employment/j...
fieldmuseum.hrmdirect.com
Assistant Curator of Invertebrate Zoology, Careers At Field Museum
Position Assistant Curator of Invertebrate Zoology FLSA Status Exempt Department Negaunee Integrative Research Center Our Mission Since the 1893 World Columbian Exposition our organization has aimed...
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Jen C Mars @jencmars.bsky.social · 19/07/2025
Muppet
Close-up photo of an annual cicada with its face very close and large so that it appears to have a rounded muppet nose and big googly eyes. The pseudo-pupils are clearly definied and give it the appearance of making eye contact with the viewer. It's cute and goofy looking.
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Terra Hunting Experiment @terrahunting.bsky.social · 18/07/2025
The HARPS3 science-grade CCD is installed in the detector head - hooray! Images below show the CCD after installation into the chip carrier and then afterwards when it is sealed behind the last lens/cryostat window ready for vacuum pumping (and then cooling) ...
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TsIV @tsiv.bsky.social · 17/07/2025
Here's an Oak Titmouse I saw on a walk a while back in the Angeles National Forest. #wildlife #photography 🪶
An oak titmouse (Baeolophus inornatus). Photo taken in Southern California.
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scottblooded.bsky.social @scottblooded.bsky.social · 12/07/2025
Moody Ordovician brachs for this most holy of #FossilFriday
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Hank Green @hankgreen.bsky.social · 13/07/2025
AC is SO MUCH EASIER to decarbonize than heating...we're already like halfway to carbon free AC in the US, while heat is like 10% of the way there.
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Sarah McAnulty, Ph.D. @sarahmackattack.bsky.social · 13/07/2025
Hey so uhhh Mantidflies? Yeah they’re metal as hell.
A mantidfly, which looks like a praying mantis with haunted rainbows trapped in its eyeballs, munched on a small white moth
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Jen Cross @jencross.bsky.social · 12/07/2025
Found my first ant-mimicking jumping spider of the year today. So, so, tiny, this one has some growing to do. Slender Ant-mimic Jumping Spider (Synemosyna formica)
Tops down view of the spider on a leaf. It is mostly shaped like an ant and has the same coloring except for a square head and literally clear legs, like glass. View of the spider from the front. It is looking over the edge of a leaf with two large, forward facing eyes. It is tiny and has translucent legs.
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Rebecca R Helm @rebeccarhelm.bsky.social · 10/07/2025
BEHOLD! One of Earth's greatest lineages of life: the lil wiggle arm guys, Meteora. These single-celled critters, originally found in deep-sea sediments, are SO DIFFERENT from other lifeforms on Earth that they're likely in their own kingdom (as in, the Animal Kingdom, the Plant Kingdom etc). 🧪🌿
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Sarah McAnulty, Ph.D. @sarahmackattack.bsky.social · 30/06/2025
Whew, ok, with a few hours to spare, the 2025 classroom map is ready! The 7th annual United States of Science competition starts tomorrow. If you wanna get your region off to a head start, just between us night owls, here's that link 😘 givebutter.com/USS2025
A map of the United states titled "United States of Science 2025" with the skype a scientist logo and 2000 tiny empty circles spread out across the USA. States with low population numbers have fewer than where there are more people.
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TsIV @tsiv.bsky.social · 28/06/2025
Here's a fossilized crab (Pinnixa galliheri) that I found in Central California for #fossilfriday!
A fossilized crab (Pinnixa galliheri) from the Miocene epoch (23-5.3 Ma).
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Frank Ashwood @frankashwood.bsky.social · 26/06/2025
Like all arthropods, springtails need to shed their exoskeletons to grow - a process called 'ecdysis'. I recently got very lucky to find a giant springtail that had just moulted! I don't know if anyone's ever photographed this before! #SoilBiodiversity #Macrophotography #Invertebrate 🧪📸
A photograph of a giant springtail - a soft-bodied blue invertebrate covered in soft spines - standing on top of a pale moulted exoskeleton.
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Premee Mohamed @premeemohamed.com · 18/06/2025
Ahahaha I thought I had a video of Trilo-Bot (my currently beleaguered robot vacuum) a while after I got him when I decided to give him a trilobite and some googly eyes From 2018 in my old place!
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