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Caspar Geon

@caspargeon.bsky.social
748 followers 600 following 196 posts

Author of PKD award nominated non-human space opera THE IMMEASURABLE HEAVEN, published by Solaris. Also known as that weirdo Tom Toner, author of the Amaranthine Spectrum, published by Gollancz Developmental editor at CBC linktr.ee/caspargeon

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Fr Chase 🦁🦁🦁🦁🦁🦁🦁🦁🦁🦁🦁🦁🦁🦁 @kalanthropos.bsky.social · 29/09/2026
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sleepynaut @grovewalker.bsky.social · 29/09/2026
photo of werner herzog with a speech bubble added so that it looks like he is saying the quoted post
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Velour Shirt @object.works · 29/09/2026
This is a metaphor for so many things these days that I couldn't choose
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L. D. Lewis, Sea Witch Apologist 🧜🏾‍♀️ @ldlewiswrites.blacksky.app · 28/09/2026
Periodic reminder that dropping a note telling a writer you liked a thing they wrote takes like 4.5 seconds and recharges our batteries for 27-28 hours a pop
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Carausius @carausius286.bsky.social · 28/09/2026
A Roman mosaic of snails escaping a basket. 🏛️ Basilica Patricale, Aquileia 🇮🇹 🕰️ 4th century AD #MosaicMonday
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Ville Sinkkonen @villesinkkonen.bsky.social · 25/09/2026
Dinosaurs in watercolor #sciart
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Bart⚓️ @bartgonnissen.bsky.social · 23/09/2026
The Facial Expressions of Tethys by artist Julius von Bismarck. A suspended high-sea buoy that moves in real time. Sensors on a twin buoy out in the Atlantic Ocean send live satellite data to motors inside the museum. This makes the indoor buoy copy the exact, real-time movements of the ocean waves.
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Adrian Tchaikovsky @aptshadow.bsky.social · 24/09/2026
Something of a large reveal! deadline.com/2026/09/andy...
deadline.com
Andy Serkis To Narrate Sci-Fi Adaptation Of 'The Odyssey'
Andy Serkis To Narrate Adrian Tchaikovsky's Sci-Fi Adaptation Of 'The Odyssey' For Audible
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MK Hardy @mkhardywrites.com · 24/09/2026
The Haunting of Avis Lovelock is now out in paperback, ebook, and audiobook from @solarisbooks. Join Avis and the other passengers of the Excambion as they undertake a transatlantic crossing full of ghosts, mysterious lights on the water, and hidden secrets... Get your copy today! geni.us/avisl
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Stefan Mohamed @stefmowords.bsky.social · 21/09/2026
A full rundown of my autumn / winter online creative workshops can be found here. Five workshops (2.5 hours) and one talk / Q&A (2 hours), covering both prose and poetry writing, led by a writer with over a decade of experience, including five novels and five books of poetry. Only £28 to book on.
stefmo.co.uk
Courses / Workshops | Stefan Mohamed
Listings for Stefan Mohamed's creative writing courses, workshops and 1-on-1 mentoring services.
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cait (and adonis) @cait.bsky.social · 16/09/2026
I keep seeing videos of a guy who catches crabs and lobsters, cracks all the barnacles off them, puts a shrimp in their claws and throws them back. can you imagine. abducted by aliens but they just give you a spa day and hand you two hot dogs and let you go
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Tom Gauld @tomgauld.bsky.social · 09/09/2026
My latest for @newscientist.com
Two scientists walk past numerous enormous shelves, each divided into sections containing a huge array of weird items. One says:
“We still don't know what any of this is, where it came from, or what it does, but you have to admit we've shelved it all beautifully.”
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David Thomas Moore @dtmooreeditor.bsky.social · 08/09/2026
RT if you’ve never had a tab of ChatGPT open, period.
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Paul Byrne @theplanetaryguy.com · 09/09/2026
Astrophotographer Adam (AJ) Smadi caught this image a few hours ago from Washington state. A thin crescent Moon, sunlight illuminating the rugged lunar surface. And 2,400 times farther away—and on the other side of the Sun—mighty Jupiter, and its moons Io (left) and Ganymede (right).
A crescent Moon seen during the day, arcing from upper left to lower right of the frame. At lower centre is the full disk of Jupiter; the small dots to its upper left and lower right and Io and Ganymede, respectively.
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British Fantasy Society @britfantasysoc.bsky.social · 07/09/2026
The full programme for this year's Fantasycon is now available! Join us in Glasgow next month for 3 days of talks, workshops, live podcasts, panel discussions, readings, and more - plus, of course, to find out who's won the British Fantasy Awards! Head to: britishfantasysociety.org/events-2/fan...
The background is designed to look like aged paper, and there is a black tentacle stretching from the top. The text indicates the schedule for Fantasycon 2026 is now available on the BFS website. The background is designed to look like aged paper, and there are black tentacles stretching from the bottom. The text indicates the schedule for Fantasycon 2026 is now available on the BFS website, and lists some of the talks and workshopsThe background is designed to look like aged paper, and there is a black tentacle stretching from the top and bottom corners. The text indicates the schedule for Fantasycon 2026 is now available on the BFS website, and lists some of the panel themes.
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Solaris Books @solarisbooks.bsky.social · 05/09/2026
💲LIMTED TIME DEAL ENDS TONIGHT!💲 Calling all Australian SciFi fans! Ahead of the release of the fourth volume in @derekkunsken.bsky.social 's QUANTUM EVOLUTION series, go back to where it all began with book one - THE QUANTUM MAGICIAN! Only AU$4.59! Buy Now: geni.us/QMKD #booksky📚️🩵🪐
Against a black and gold background, an eReader with the book cover for Derek Kunsken's THE QUANTUM MAGICIAN. 

White text: Amazon Australia Kindle Deal *Ends 6th September 2026. AU$ 4.59
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Adam Farrer @adamjfarrer.bsky.social · 01/09/2026
A few years ago I went to a pig sanctuary and most of the pigs were stoned from eating green acorns. This one, Wilbur, couldn’t stand up and was too big to lift, so the staff had to leave him in this bush and wait for him to sober up.
Wilbur, a stoned pig lying in the dirt and unable to stand at Pigs in the Wood sanctuary, Huddersfield. I later adopted him.
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Caspar Geon @caspargeon.bsky.social · 30/08/2026
Found my first notebook with the vague ideas for the Immeasurable Heaven - to give an idea of how long these books can sometimes take, notes begin September 2018, book published July 2025 @solarisbooks.bsky.social
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Alex Ries @alexries.com · 13/05/2026
My art book 'Other Worlds' is available for order! Here are some purchase links :) Non-Amazon Retailers: bit.ly/4nr7Phz Amazon: amzn.to/3QYsn1s #conceptart #illustration #scifiart
Image of the cover of an art book by alex riesImage of the interior of an art book by alex riesImage of the interior of an art book by alex riesImage of the interior of an art book by alex ries
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Alex Ries @alexries.com · 26/08/2026
Alien of the Day: A martian fox critter! Its large ears can detect sound in the thin atmosphere, while its ears and tail both help keep it warm during the Martian nights, with thin legs adapted to the low gravity. From the Picture Atlas of our Universe; a favourite book of mine as a kid.
an illustration of a large eared martian creature.
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Solaris Books @solarisbooks.bsky.social · 21/08/2026
Genre rules are only guidelines anyway! Want some Dragons in your Western? A locked boat murder mystery in your sci-fantasy? GBBO in outer space? A Necromantic bildungsroman? Searing examinations of war with bonus military Pteranodons? A literal plot device? We've got all that and more! 1/3
Against a blue background, tiled book covers:

THREE EIGHT ONE and THE MISHEARD WORLD by Aliya Whiteley
RAKESFALL and THE SAINT OF BRIGHT DOORS by Vajra Chandrasekera
THE SALT ORACLE by Lorraine Wilson
THE MOUNTAIN CROWN by Karin Lowachee
THE DEATH I GAVE HIM by Em X. Liu
SAINT DEATH'S DAUGHTER by C. S. E. Cooney
THE SIEGE OF BURNING GRASS by Premee Mohamed
THE IMMEASURABLE HEAVEN by Caspar Geon
METAL FROM HEAVEN by August Clarke
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THE FAR SIDE DAILY @bot.cowtools.org · 18/08/2026
On the next pass, however, Helen failed to clear the mountains.
On the next pass, however, Helen failed to clear the 
mountains.
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Gabino Iglesias @gabino.bsky.social · 21/08/2026
It’s #FridayReads time! Let’s share books and boost all signals. Repost this and let us know what to repost for you. The HOBAR ebook is only $1.99 for a limited time! That’s a lot of creatures from beyond the reef, horror, crime, vengeance, murder, and magic for cheap! www.amazon.com/gp/aw/d/B0CP...
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Hourly Cosmos @hourlycosmos.bsky.social · 20/08/2026
Christmas Titan - From Val Klavans (valklavans.bsky.social) - flic.kr/p/dEAtMH
Cassini's Imaging Science Subsystem (ISS) instrument captured Titan on December 25, 2012 in order to search for clouds on the Fensal-Aztlan region as part of its "Titan Monitoring Campaign." Titan's North Polar hood & South Polar Vortex are both visible in this composite. (North is up)

This RGB false color composite of Titan is in 3 different filters: infrared, methane band, and ultraviolet.

These images were taken on December 25, 2012 and received on Earth December 26, 2012. The camera was pointing toward TITAN at approximately 1,316,444 miles (2,118,612 kilometers) away, and the images were taken using the CL1, MT3, UV3 and CB3 filters.

Credit: NASA / JPL / SSI / composite by Val Klavans
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R.S.A. Garcia (BUY THE NIGHTWARD) @rsagarcia.bsky.social · 16/08/2026
Hey, I'm less than $80 away from my next goal! Help me get there?
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Credentials, Dan @dancredentials.bsky.social · 15/08/2026
Me, nodding knowingly: The beaks.
Headline of paleontology news article: Crocodiles can't fly. Birds can. Scientists have finally figured out why
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R.S.A. Garcia (BUY THE NIGHTWARD) @rsagarcia.bsky.social · 14/08/2026
More of an introspective update today as I near my chemo anniversary. I'm grateful to have friends who've done so much to help me these past 4 years. I've a ways to go to the end of my treatment & my fund goal, so kindly donate, boost & share if you can. Thanks! www.gofundme.com/f/help-r-s-a...
gofundme.com
Donate to Help R. S. A. Garcia Pay for Cancer Expenses, organized by Arula Ratnakar
Hi everyone, I'm Rhonda, also known as R. S. A. Garcia, a speculative … Arula Ratnakar needs your support for Help R. S. A. Garcia Pay for Cancer Expenses
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Solaris Books @solarisbooks.bsky.social · 12/08/2026
This evening, a timely compilation of Solaris scifi to read after watching the eclipse! Including books from Adrian Tchaikovsky Mary Robinette Kowal @lavanya.bsky.social Edward Ashton Ren Hutchings R.T. Ester Premee Mohamed & more! 1/7
A tiled compilation of book covers for Solaris SciFi to read after watching the eclips! 

MICKEY7, ANTIMATTER BLUES, MAL GOES TO WAR, THE FOURTH CONSORT, AFTER THE FALL by Edward Ashton 
THE GANYMEDAN by R. T. Ester
THE IMMEASURABLE HEAVEN by Caspar Geon
LADY EVE'S LAST CON by Rebecca Fraimow
THE PRICE OF EVERYTHING by Jon McGoran
SINOPTICON edited by XUETING NI
THE SIEGE OF BURNING GRASS by Premee Mohamed
THE HUMAN SON by Adrian J. Miller
REDSIGHT by Meredith Mooring
NINEFOX GAMBIT, RAVEN STRATAGEM, REVENANT GUN, MOONSTOM, STARSTRIKE by Yoon Ha Lee
THE IMMORTALITY THIEF and THE UNKILLABLE PRINCESS by Taran Hunt
UNDER THE FORTUNATE STARS and AN UNBREAKABLE WORLD by Ren Hutchings
THE MANY by Sylvain Neuvel
THE MISHEARD WORLD, SKYWARD INN and THREE EIGHT ONE by Aliya Whiteley
THE QUANTUM MAGICIAN, THE QUANTUM GARDEN, THE QUANTUM WAR, THE HOUSE OF STYX, THE HOUSE OF SAINTS by Derek Kunsken
THE CALCULATING STARS, THE RELENTESS MOON, THE FATED SKY, THE MARTIAN CONTINGENCY, THE SPARE MAN by
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Digital Brain @yourdigitalbrain.bsky.social · 11/08/2026
10,000-Year-Old Water Trapped in a Polished Quartz Crystal
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Ian McQue @ianmcque.bsky.social · 10/08/2026
Colouring in the vertical forest
Digital painting, a vertical forest with a smaller vertical forest to its right. Or is it far away maybe
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Caspar Geon @caspargeon.bsky.social · 08/08/2026
Really nice day at @mcmcomiccon.bsky.social
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WeRateDogs @weratedogs.com · 06/08/2026
This is Bruce. He prefers his sticks with a little pizazz. 13/10 (IG: brucewaynethegoldenboy)
a golden retriever trots along a cement pathway outside with a city skyline in the distance. his front left paw is suspended in the air as he has been caught mid-step. he looks over at the camera with a little grin. he's holding a long leafy branch in his mouth. can't believe his luck at finding this razzle dazzle stick.
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Ian Green @ianthegreen.bsky.social · 05/08/2026
Hello pals. My new book is out TOMORROW- hardback, audiobook, and ebook! The Deep and the Drowned is an epic fantasy on the high seas. "Outstandingly swashbuckling, outrageously gripping and out-of-this-world brilliant". Tell a friend ⚔️ www.amazon.co.uk/dp/1804545899
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Caspar Geon @caspargeon.bsky.social · 05/08/2026
I think I’m on this panel at comicon on Friday too - come on down/up/along/under to Birmingham for some good Worldbuilding chat @solarisbooks.bsky.social
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Caspar Geon @caspargeon.bsky.social · 03/08/2026
Looking forward to chatting with the Science Fiction Bookclub tonight at 8.30pm (and possibly again on the 17th!)
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Hourly Cosmos @hourlycosmos.bsky.social · 03/08/2026
The Jewel Box Cluster, NGC 4755 - From Rolf Wahl Olsen - flic.kr/p/dBvSPv
The Jewel Box is an open star cluster visible as a faint smudge with the naked eye under dark skies. It is located 6,440 light years away towards the constellation Crux, The Southern Cross. The first person to recognise it as a cluster of individual stars was Nicolas Louis de Lacaille during his visit to Cape Town in 1752. The name of the cluster originates from John Herschel's later observations in the 1830's, also from Cape Town, and his resulting vivid description:


"A most vivid and beautiful cluster, though neither a large nor a rich one, is yet an extremely brilliant and beautiful object when viewed through an instrument of sufficient aperture to show distinctly the very different colour of its constituent stars, which give it the effect of a superb piece of fancy jewellery"


The bright orange star in the centre of the cluster is known as Kappa Crucis. It provides a striking contrast with the rest of the hot blue cluster members. Although the cluster is a mere 14 million years young this star has already reached the red giant phase of its life and will most likely explode in a brilliant supernova within the next few million years.

The cluster has ben photographed by a wide array of professional telescopes, including ESO's VLT and La Silla observatories and the Hubble Space Telescope. Click on the following link to view a beautiful composite image that provides a zoom into the heart of the cluster: Putting the Jewel Box in Perspective


Image details: 
Da...
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Ian Green @ianthegreen.bsky.social · 02/08/2026
THE DEEP AND THE DROWNED is out this week. "Outstandingly swashbuckling, outrageously gripping and out-of-this-world brilliant" Monsters, pirates, empire, and magic. Order now, have fun, spread the word if you know people who like cool things 🏴‍☠️ geni.us/TDATDcovrev
a map of the Crown Archipelago from the book THE DEEP AND THE DROWNEDcover of the novel the deep and the drowned by Ian Green, a sea serpent monster raisesfromthe deep, a small ship is tossed about on the waves above
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Astronomy Bot @astronomybot.bsky.social · 02/08/2026
Celestial fossils Image date: 26 February 2024, 06:00 This densely populated group of stars is the globular cluster known as NGC 1841, which is found within the Large Magellanic Cloud (LMC), a satellite galaxy to the Milky Way galaxy that lies about 162 000 light-years away. Satellite galaxies ...
Image posted by astronomybot
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arcadus @birdapp.rip · 29/07/2026
A scene from The Odyssey where Penelope stands before the suitors, but Tim Robinson has been added in. It’s a reference to I Think You Should Leave. Penelope says “Ronnie, I feel like you’re just here for the zip line” and Tim Robinson says “what?”
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Hourly Cosmos @hourlycosmos.bsky.social · 26/07/2026
Planetary Nebula NGC 6072 - NASA/ESA JWST Space Telescope - From Andrea Luck (andrealuck.bsky.social) - flic.kr/p/2rFniEA
Download video: www.flickr.com/video_download.gne?id=54923111866 (see license below)

Full 5k image: flic.kr/p/2rkoXss

Credit: NASA/ESA/CSA/STScI/j.Roger/AndreaLuck CC BY

NASA/ESA JWST Webb Space Telescope
Title: Infrared imaging of bipolar features in planetary nebula
Target name: NGC 6072 (Star, Planetary nebulae nuclei)
Date: 2024-07-29
Instrument: NIRCam
Filters: f070w, f187n, f212n, f356w, f405n-f444w, f444w-f470n
Colours Assigned: Blue, Teal, Green, Amber, Orange, Red
PI: Macarena Garcia Marin
PI Institution: Space Telescope Science Institute - ESA - JWST
Proposal ID: 6554 www.stsci.edu/jwst-program-info/program/?program=6554

Product IDs:
jw06554-o001_t025_nircam_f444w-f470n
jw06554-o001_t025_nircam_f405n-f444w
jw06554-o001_t025_nircam_clear-f356w
jw06554-o001_t025_nircam_clear-f212n
jw06554-o001_t025_nircam_clear-f187n
jw06554-o001_t025_nircam_clear-f070w

Credit: NASA/ESA/CSA/STScI/j.Roger/AndreaLuck CC BY

Feel free to share, giving the appropriate credit and providing a link to the original image: creativecommons.org/licenses/by/4.0/deed.en
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Hourly Cosmos @hourlycosmos.bsky.social · 25/07/2026
2016-11-27 --- ENCELADUS UNCROPPED (Enhanced) - From Ian Regan - flic.kr/p/PGX8i2
4-footprint Cassini mosaic, compiled using IR and GREEN filtered images taken through the spacecraft's narrow-angle camera (NAC). 

This version of the mosaic has been enhanced using a variant of the Tone Mapping filter.
Credit: NASA/JPL/SSI/Ian Regan
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Hourly Cosmos @hourlycosmos.bsky.social · 19/07/2026
ROSETTA (9) - From Jacint Roger (landru79.bsky.social) - flic.kr/p/2iKfpDv
INTERNATIONAL ROSETTA MISSION

COMET 67P/CHURYUMOV-GERASIMENKO

ESA/Rosetta/MPS/OSIRIS/IAA/INTA/j. Roger
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Adrian Tchaikovsky @aptshadow.bsky.social · 17/07/2026
A cover reveal for the paperback edition of my Best Of story collection (audiobook also on the way).
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Caspar Geon @caspargeon.bsky.social · 16/07/2026
Pretty much one year exactly since the Immeasurable Heaven came out, so it’s lovely to be able to compile a few nice things readers have been saying over on Goodreads. @solarisbooks.bsky.social
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Hourly Cosmos @hourlycosmos.bsky.social · 16/07/2026
Titan - March 19 2013 - From Kevin M. Gill (kevinmgill.bsky.social) - flic.kr/p/QJXMJM
Processed using calibrated red, green, and blue filtered images of Titan taken by Cassini on March 19 2013. Color and contrast enhanced.

NASA/JPL-Caltech/SSI/CICLOPS/Kevin M. Gill
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midgie @midgie.bsky.social · 12/07/2026
today’s little guy
detail from painting i saw today titled The Fall of the Rebel Angels by Pieter Bruegel the Elder. it shows a chunky little being falling through the air with a face like a surprised or outraged cartoon beaver. the little guy’s body looks like a cross between a puffer fish and a solitary testicle
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Lucy Holland @silvanhistorian.bsky.social · 09/07/2026
A dream to be working with @headofzeus.bsky.social & @bloomsburybooksus.bsky.social to bring you THE LAST VERSE OF THE HARP LORD in 2027. I'm coming for your hearts... In 2028 you get my GWYDION, a tale of the Mabinogi’s trickster-magician in his own charmed words & as you've never heard it before.
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