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Jason Cerundolo

@jasoncerundolo.bsky.social
54 followers 66 following 106 posts

I build space computers! CEO/Co-founder of Colossus. Let's talk about space!

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Paul Byrne @theplanetaryguy.com · 02/10/2026
This will never stop blowing my mind. A 12-year sequence of real telescope images of a star 133 lightyears away. And around it, four planets slowly orbiting. Four real exoplanets, each more massive than Jupiter, imaged as they move around their host star.
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Paul Byrne @theplanetaryguy.com · 01/10/2026
This is a cool photo of Venus! Photographed through the rings of Saturn.
A complex, curving pattern of lines that make up Saturn's vast ring system, in various gold and grey hues. The white arc at right is the limb of the planet itself. A tiny point of light is just upper right of centre.
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Landru79 @landru79.bsky.social · 29/09/2026
#ROSETTA INTERNATIONAL MISSION COMET #67P/CHURYUMOV-GERASIMENKO 10 aug 2015 Distance 313 km OSINAC 8x Orange Green Blue rosetta-osiris.eu/image/NAC_20... ESA/Rosetta/OSIRIS/j. Roger
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Paul Byrne @theplanetaryguy.com · 25/09/2026
This is a quick workup of what the night sky might look like on a world close to the galactic core. The planet is a rendering by Martin Kornmesser, to which I added the JWST image. So this scene is suggestive more than scientifically accurate. But still... imagine growing up under a sky like this.
The fore- and middle ground shows a rendering of a rocky exoplanet surface. The JWST Sagittarius scene from the first post occupies the upper half of the image.
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The Planetary Society @planetarysociety.bsky.social · 01/09/2026
Your advocacy works! Congress just passed a bill that delays a rule that would've fundamentally changed how science is done in the United States, by handing power over research funding to political appointees instead of scientists. Learn more and get updates: www.planetary.org/save-nasa-sc...
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Jasmine 🌌🔭 @astrojaz.bsky.social · 06/08/2026
CURIOSITY HAS BEEN ON MARS FOR 14 YEARS!! HAPPY LANDIVERSARY CURIOSITY!!
Curiosity Mars rover selfie
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Paul Byrne @theplanetaryguy.com · 20/07/2026
Fifty-seven years ago today. Happy International Moon Day!
Buzz Aldrin stands beside the United States flag at Tranquility Base, the Apollo 11 landing site.
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Cimmerion @cimmerion.bsky.social · 04/07/2026
Dem platform should be very straightforward: * punish crime * redress corruption * pack the Court * tax the oligarchy out of existence That's it.
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Daniel Abraham @abraham.bsky.social · 28/06/2026
My proposal for a Democratic platform: Clean water, safe food, educated kids, affordable healthcare, fair wages. Get the government you’re paying for.
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Daniel Pomarède @pomarede.bsky.social · 12/06/2026
Captured June 12, 2007, by the Cassini spacecraft: Rainbow on the Rings The opposition effect, a brightness surge that is visible on Saturn's rings when the sun is directly behind the spacecraft, is captured here as a colorful halo of light moving across Saturn's sunlit rings. flic.kr/p/2rangY5 🧪🔭
The opposition effect, a brightness surge that is visible on Saturn's rings when the sun is directly behind the spacecraft, is captured here as a colorful halo of light moving across Saturn's sunlit rings.
The rainbow of color seen here is actually an artifact and a by-product of the spot's movement and the way the color image was produced. Cassini acquires color images by taking sequential exposures using red, green and blue spectral filters, which are then composited together to form a color view. The bright patch traveled across the rings between exposures taken for this view, creating a series of three colorful spots showing its position at three separate moments.
This view looks toward the sunlit side of the rings from about 9 degrees below the ringplane.
The images in this view were acquired with the Cassini spacecraft wide-angle camera on June 12, 2007, at a distance of approximately 523,000 kilometers (325,000 miles) from Saturn. Image scale is 31 kilometers (19 miles) per pixel.
The Cassini-Huygens mission was a cooperative project of NASA, the European Space Agency and the Italian Space Agency. The Jet Propulsion Laboratory, a division of the California Institute of Technology in Pasadena, managed the mission for NASA's Science Mission Directorate, Washington, D.C. The Cassini orbiter and its two onboard cameras were designed, developed and assembled at JPL.

Credit: NASA/JPL/Space Science Institute
Image Number: PIA08393
Date: June 12, 2007
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Casey Dreier @caseydreier.bsky.social · 05/06/2026
This month's episode of the Space Policy Edition podcast features Elizabeth Ginexi, who walked me through proposed rules changes to federal grant-making that would suppress, isolate, and set back American science. Listen here: www.planetary.org/planetary-ra...
planetary.org
Space Policy Edition: A proposal to stifle American science
Casey Dreier is joined by Liz Ginexi, a former Program Officer at the U.S. National Institutes of Health, to break down a 400-page proposed rule change…
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brad willingly entered the warp drive @bradicality.bsky.social · 26/05/2026
Sometimes on campus you accidentally walk by a Business class and the professor is writing like "profit = revenue - costs" on the board and everyone is taking notes like its actual school
(brown hog with head exploding meme superimposed over text) The comment led to what he described as a "head-exploding moment," sparking discussions about AI token consumption within the company and the trade-offs it creates, such as on head count. He said that, based on talks with Uber's senior engineering leaders, he realized higher token usage did not translate into a proportional increase in useful consumer features
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The New Yorker @newyorker.com · 23/05/2026
Today’s Daily Cartoon, by Joe Dator and Kevin Maher.
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Kevin M. Gill @kevinmgill.bsky.social · 15/05/2026
Beautiful crescent view of Mars as Psyche continues it's approach for tomorrow's flyby. flic.kr/p/2sd9f6a
A crescent view of the planet Mars.

NASA/JPL-Caltech/ASU/Kevin M. Gill
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Radley Balko @radleybalko.bsky.social · 15/05/2026
We've become numb to this stuff, but a president accusing a journalist of treason -- a capital crime -- for reporting on an ongoing war is not normal, and we should never accept it as normal.
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Alan Owlport 🦉 🎃 @alanallport.bsky.social · 15/05/2026
You know, a President accusing a NYT reporter of committing treason just for asking a question is actually quite a big deal, and this bunch just standing there listening to it and doing nothing is not encouraging the public to think of journalism as a serious business or of words meaning anything.
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Tim Fernholz @timfernholz.com · 08/05/2026
cool map of the Bay Area's space community, via bayareaspace.org h/t/ @jetcitystar.bsky.social
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Jason Cerundolo @jasoncerundolo.bsky.social · 07/05/2026
I appeared on Planetary Radio to talk about my experience at the Day of Action on Capitol Hill! www.planetary.org/planetary-ra....
planetary.org
Day of Action 2026: Rejoining the fight to save NASA science
The fight to save NASA science is back. Planetary Radio host Sarah Al-Ahmed takes you to Washington, D.C., for the 2026 Day of Action, where Planetary…
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Casey Dreier @caseydreier.bsky.social · 01/05/2026
The Planetary Society led a coalition letter with 23 organizational signatories calling for the rejection of draconian cuts to NASA and science in FY 2027 proposed by the White House. Coverage here, letter PDF in comments. www.nbcnews.com/science/spac...
nbcnews.com
Major science groups and former astronauts urge Congress to reject Trump's proposed cuts to NASA
The White House’s budget proposal for the 2027 fiscal year would cut NASA’s budget by 23% and force the cancellation of dozens of missions.
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Gene J. Mikulka @genejm1017.bsky.social · 30/04/2026
To put that into perspective, that's almost $1 billion over one Fiscal Year NASA Budget. So this conflict has cost us more in 2 months than NASA costs us in a single year. Next time you hear we can't afford a space program, keep that in mind.
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Casey Dreier @caseydreier.bsky.social · 22/04/2026
What a fantastic Day of Action! 130 Planetary Society members came from 34 states and held over 200 meetings in Congress to #SaveNASAScience from the draconian cuts proposed in FY 2027. Between the two of us, Bill Nye and I did 13 TV interviews, from 6am to 6pm, local to national stations.
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Seth Cotlar @sethcotlar.bsky.social · 21/04/2026
h/t to @kriswernowsky.com for noticing that Hegseth made this announcement in front of a painting of GW crossing the Delaware with soldiers who, only a few months later, he would order to get inoculated.
Secretary of War Pete Hegseth • O @SecWar
X.com
The War Department is once again restoring freedom to our Joint Force.
We are discarding the mandatory flu vaccine requirement, effective immediately.
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Scott King @geoplanetking.bsky.social · 20/04/2026
Another great meeting with Senator Warner’s aide and another partner willing to #SaveNASAscience!!
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Jason Cerundolo @jasoncerundolo.bsky.social · 20/04/2026
Lots of great meetings today to #SaveNASAScience with @planetarysociety.bsky.social, and it's only lunch! Thanks to @padilla.senate.gov and @replsimon.bsky.social offices!
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Jason Cerundolo @jasoncerundolo.bsky.social · 19/04/2026
Let's go California! This our team for tomorrow's Day of Action with the @planetarysociety.bsky.social to tell Congress to #SaveNASAScience! With @miquai.bsky.social too!
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Jason Cerundolo @jasoncerundolo.bsky.social · 19/04/2026
I'm in the back there somewhere! Looking forward tomorrow to #SaveNASAScience!
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Casey Dreier @caseydreier.bsky.social · 19/04/2026
Amazing turnout for our Day of Action to Save NASA Science! Truly inspired by the dedication of our members and advocates who are here with me in D.C.
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Michael Wong @miquai.bsky.social · 19/04/2026
There are three signed copies of Time’s Second Arrow at the National Air & Space Museum gift shop! 💫
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Jason Cerundolo @jasoncerundolo.bsky.social · 19/04/2026
Ready for training for the @planetarysociety.bsky.social Day of Action to #SaveNASAScience. See you on Capitol Hill tomorrow!
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Casey Dreier @caseydreier.bsky.social · 19/04/2026
My April edition of the Space Advocate newsletter grapples with the experience of witnessing the first crewed lunar spaceflight mission of my life against the release of new budget that would dismantle large portions of NASA. www.planetary.org/space-advoca...
planetary.org
The Space Advocate Newsletter, April 2026
Artemis II and the return of lunar spaceflight
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Jason Cerundolo @jasoncerundolo.bsky.social · 15/04/2026
The proposed NASA budget is lazy, unpopular, and destructive. They literally copy-pasted the one from last year and even forgot to update the year in places. We convinced Congress to push back last year (see me in the back?). We'll do it again this year to #saveNASAscience.
Members of the Planetary Society outside the Capitol for our Day of Action
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Jason Cerundolo @jasoncerundolo.bsky.social · 14/04/2026
I'll be on Capitol Hill next week to tell Congress to fully fund NASA Science. We just watched the Artemis II mission with awe and excitement. I want more of that, and statistically so do you. However, that mission would not have been possible without all the basic science to support it.
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Daniel Pomarède @pomarede.bsky.social · 13/04/2026
NASA astronaut Christina Koch hugs the Orion spacecraft in the well deck of USS John P. Murtha. Credit: NASA/Bill Ingalls flic.kr/p/2s7aCi3 #Artemis 🧪🔭
NASA astronaut Christina Koch, Artemis II mission specialist, hugs the Orion spacecraft in the well deck of USS John P. Murtha, Saturday, April 11, 2026, in the Pacific Ocean off the coast of California. Koch, NASA astronaut Reid Wiseman, Artemis II commander, NASA astronaut Victor Glover, Artemis II pilot, and CSA (Canadian Space Agency) astronaut Jeremy Hansen, mission specialist; splashed down in the Pacific Ocean, Friday, April 10 at 5:07 p.m. PDT (8:07p.m. EDT). Photo Credit: (NASA/Bill Ingalls)
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CONTACT LIGHT @contactlight.de · 13/04/2026
On April 13, 1970, disaster strikes 200,000 miles from Earth when oxygen tank No 2 blows up on #Apollo13 26 seconds later the famous radio message was sent 87 hours later the crew made it safely home The crisis that became @NASA's 'most successful failure' contactlight.de
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WeRateDogs @weratedogs.com · 13/04/2026
This is Sadie. She was finally reunited with her human, astronaut Christina Koch, after her mom’s voyage around the moon took her the furthest any human has ever been from their dog. She can't wait to hear all about the universe. 14/10 (IG: astro_christina)
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Elle Cordova @ellecordova.bsky.social · 11/04/2026
Now would be a great time to reconsider that 46% cut to NASA’s science budget for FY2027.
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Paul Byrne @theplanetaryguy.com · 09/04/2026
This is a composite image of a planetary system that's still growing. This is what the Solar System looked like when the planets were being born.
An edge-on view of a protoplanetary disk. There is dust and gas above and below the disk forming diffuse, multicolour forms. The disk itself is in the centre of the image. Distant galaxies or stars are in the background.
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Casey Dreier @caseydreier.bsky.social · 09/04/2026
The FY 2027 NASA budget request hides its science cuts by omitting mission names instead of explicitly zeroing them out. We did the work and found 54 missions cancelled in this proposal. This is another extinction-level event for NASA science. Full list: planetary.org/save-nasa-science
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Lisa @lisasass.bsky.social · 07/04/2026
This about sums it up. #history
Cartoon: Two people seated in a well-stocked library, person on right leafs through a book. 
Person on left comments, 
"Those who don't study history are doomed to repeat it.
Yet those who do study history are doomed to stand by helplessly while everyone else repeats it."
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Otis Spunkmeyer Aficionado @thewillthe.bsky.social · 05/04/2026
“Shoot for the moon; even if you miss, you’ll land among the stars” is pretty terrible advice for astronauts on a free return trajectory
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David Blanchflower BSc @davidbflower.bsky.social · 03/04/2026
Another spectacular image of Earth taken by Artemis Commander Reid Wiseman. Showing the terminator between day and night. 🔭 🧪
Image of Earth taken from Orion spacecraft showing day night terminator.
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Casey Dreier @caseydreier.bsky.social · 03/04/2026
The FY 2027 budget request for NASA is an insult to the four astronauts currently risking their lives to explore the Moon. The world should be celebrating humanity's return to deep space, as well as the space agency and partners that put them there. [1/2]
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Swapna Krishna @swapnakrishna.com · 03/04/2026
Will I ever get over this image? I don’t think so
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Casey Dreier @caseydreier.bsky.social · 03/04/2026
The Planetary Society has re-launched our Save NASA Science action hub today given the draconian cuts proposed in the FY 2027 NASA budget — follow here for running updates, statements, charts, and advocacy actions you can take now: planetary.org/save-nasa-sc...
planetary.org
Save NASA Science Action Hub
Updates and actions on the proposed cuts to NASA science in FY 2027.
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Katie Mack @astrokatie.com · 03/04/2026
More context on this #Artemis II image: * This is the night side, lit by moonlight. You can see city lights in Spain & Portugal, & a sliver of day at lower right * The Sun is entirely behind Earth, which makes it a kind of solar eclipse, but w/ Earth doing the eclipsing instead of the Moon: ☀️🌍🚀🌕
A full disc image of Earth, as seen from the Orion Crew Module. The planet is a pale blue, swirling with white clouds and glowing slightly lighter blue in place from reflected light. At lower left, a large brown landmass is Africa, with Spain and Portugal with twinkling lights where the planet curves. At top right, auroras glow in a thin green glow, just barely separated from the planet's surface. Earth is set against the black of space (pic: NASA/R.Wiseman)
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European Space Agency @esa.int · 03/04/2026
😮 Awesome views from Day 2 of #Artemis II this morning. @exploration.esa.int @esaearth.esa.int
Spectacular high-resolution image of our home planet viewed through the Orion Crew Module window by the Artemis II astronauts as they continue their journey to the Moon on Flight Day 2, 3 April 2026 (pic: NASA) A full disc image of Earth, as seen from the Orion Crew Module. The planet is a pale blue, swirling with white clouds and glowing slightly lighter blue in place from reflected light. At lower left, a large brown landmass is Africa, with Spain and Portugal with twinkling lights where the planet curves. At top right, auroras glow in a thin green glow, just barely separated from the planet's surface. Earth is set against the black of space (pic: NASA/R.Wiseman)
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S.M. Pritchard @smpritchard.bsky.social · 03/04/2026
Alright everyone, you know the drill. Yell at your local congress-critter!
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Jason Cerundolo @jasoncerundolo.bsky.social · 03/04/2026
Here we go again. The OMB released the FY2027 "skinny budget". There's not too many details yet, but it has the same 47% cut to NASA Science, and worse. The same requests we convinced Congress to deny last year! Let's do it again! Email your Reps today! planetary.org/fy27budget
planetary.org
Advocacy Action Center
The Planetary Society is organizing a new space constituency that is educated, empowered, and loud.
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Bolt451 is the name of the scientist @bolt451.bsky.social · 03/04/2026
This quote from Apollo 14 astronaut Edgar Mitchell has been in my head the last few days
You develop an instant global consciousness, a people orientation, an intense dissatisfaction with the state of the world, and a compulsion to do something about it. From out there on the moon, international politics look so petty. You want to grab a politician by the scruff of the neck and drag him a quarter of a million miles out and say, ‘Look at that, you son of a bitch
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Paul Byrne @theplanetaryguy.com · 03/04/2026
This image of home just came down from the Artemis II crew. Taken after their translunar injection burn, there are aurorae at top right and lower left, and zodiacal light at lower right. Credit: NASA/Reid Wiseman
That's home. That's us.
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