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Keith Smith

@drkeithsmith.bsky.social
3.5K followers 41 following 575 posts

PhD, occasional astronomer, talking head, science geek, cynic. Senior Editor at @Science.org, responsible for research papers in astronomy and planetary science. Views own, duh. Bio: www.science.org/content/author/keit…

PostsRepliesMedia
Reposted by Keith Smith
Science Magazine @science.org · 3h
“I don’t use [generative AI] when I write grants or papers. … So I don’t particularly want them reading my work either.” scim.ag/46Qiqv3
scim.ag
U.K. funder uses ‘AI triage’ to reject grant proposals—leaving researchers dismayed
The AI-based assessment, which wasn’t explicitly described in the funding call, has raised privacy and fairness concerns
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Reposted by Keith Smith
Science Magazine @science.org · 9h
NASA has selected a far-infrared space telescope to explore the faint, cool glow of gas and dust that fuel star formation and coalesce into planets. scim.ag/4z0OZ5m
scim.ag
New space telescope will reopen astronomers’ view of the far-infrared
NASA’s $1.2 billion PRIMA will explore how galaxies evolve and how planets emerge from disks of gas and dust
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Reposted by Keith Smith
Keith Smith @drkeithsmith.bsky.social · 29/09/2026
“We’re forgetting what darkness feels like” Tove Danovich describes multiple facets of light pollution, in the Guardian (citing a @science.org paper for the 10% per year increase in sky brightness, featured in the headline) 🧪🔭 www.theguardian.com/environment/...
theguardian.com
The night sky is getting 10% brighter every year. We’re forgetting what darkness feels like
If more cities start regulating outdoor lighting, we humans could make the environment better for all living creatures
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Keith Smith @drkeithsmith.bsky.social · 29/09/2026
“We’re forgetting what darkness feels like” Tove Danovich describes multiple facets of light pollution, in the Guardian (citing a @science.org paper for the 10% per year increase in sky brightness, featured in the headline) 🧪🔭 www.theguardian.com/environment/...
theguardian.com
The night sky is getting 10% brighter every year. We’re forgetting what darkness feels like
If more cities start regulating outdoor lighting, we humans could make the environment better for all living creatures
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Keith Smith @drkeithsmith.bsky.social · 22/09/2026
TMT turns down €1 billion and the offer of a host site (La Palma) where they can actually build 🤷‍♂️ The project prefers to stick with Mauna Kea, so remains stuck in legal limbo and without sufficient funding. ☄️🔭
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Keith Smith @drkeithsmith.bsky.social · 21/09/2026
Stellar astrophysicist Emily Levesque @emsque.bsky.social will be the next Editor-in-Chief of the @aas.org journals (ApJ, ApJL, ApJS, AJ, PSJ, RNAAS). ☄️ Levesque has been a scientific editor of AAS journals since 2025. She will succeed Ethan Vishniac in August next year. aas.org/press/emily-...
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Reposted by Keith Smith
Science Magazine @science.org · 14/09/2026
Increasing the breadth of researchers trained as reviewers is crucial. In 2024, we began a program that invites reviewers to add trainees as co-reviewers. Nearly 6000 scientists have participated. All our reviewers, past and present, can now get credit on ORCID. #PeerReviewWeek
Science thanks each of our reviewers for their critical contribution. #PeerReviewWeek
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Keith Smith @drkeithsmith.bsky.social · 14/09/2026
Samples of asteroid Ryugu collected by Hayabusa2 are similar to Ivuna-type (CI) meteorites. Kawasaki et al. use isotopic measurements of Ryugu and Ivuna to show that their parent bodies formed only 2 million years after the beginning of the Solar System. ☄️🔭 #planetsci www.science.org/doi/10.1126/...
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Reposted by Keith Smith
Science Magazine @science.org · 09/09/2026
OpenAI claims it has solved the Navier-Stokes problem. Here’s a quick rundown of what’s known so far about this apparent breakthrough—and the surrounding controversy: scim.ag/4ytDoM0
How an AI math breakthrough ignited a controversy
OpenAI spent millions to solve Navier-Stokes problem, but who should get credit?
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Keith Smith @drkeithsmith.bsky.social · 07/09/2026
This coffee system at #EPSC2026 clearly isn't going to work. The queue takes longer than the scheduled length of the break 😮
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Reposted by Keith Smith
Keith Smith @drkeithsmith.bsky.social · 06/09/2026
This week I am attending the @europlanetmedia.bsky.social conference #EPSC2026 in The Hague. If you’re here and interested in publishing in @science.org, please grab me for a chat in a coffee break!
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Keith Smith @drkeithsmith.bsky.social · 06/09/2026
This week I am attending the @europlanetmedia.bsky.social conference #EPSC2026 in The Hague. If you’re here and interested in publishing in @science.org, please grab me for a chat in a coffee break!
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Keith Smith @drkeithsmith.bsky.social · 02/09/2026
Editor's choice: Shimizu et al. use the Emirates Mars Mission to study the distribution of craters on Mars' moon Deimos. They find more craters on the side facing Mars, contrary to expectations. What caused this distribution? ☄️🔭 #planetsci www.science.org/doi/10.1126/...
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Keith Smith @drkeithsmith.bsky.social · 01/09/2026
🧪🔭☄️ #planetsci
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Reposted by Keith Smith
Andy Lawrence @e-astronomer.bsky.social · 01/09/2026
One event, but still 2.6 sigma. Funny old thing, statistics
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Reposted by Keith Smith
Daniel Clery @danclery.bsky.social · 01/09/2026
Extreme black hole merger may be a cosmic illusion | Science | AAAS 🔭🧪 @science.org www.science.org/content/arti...
science.org
Extreme black hole merger may be a cosmic illusion
Puzzling event could be an artifact of gravitational lensing, a new model suggests
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Keith Smith @drkeithsmith.bsky.social · 01/09/2026
It's one data point, and the preprint states the statistical significance is 2.6 sigma. That's not enough to claim the detection of even a routine event, let alone discover a new type of particle. The scientists report their results reasonably, but media coverage should not get carried away. ⚛️☄️
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Reposted by Keith Smith
Daniel Clery @danclery.bsky.social · 27/08/2026
NASA’s Roman telescope readies a sweeping view of the universe | Science | AAAS 🔭🧪 @science.org www.science.org/content/arti...
science.org
NASA’s Roman telescope readies a sweeping view of the universe
With a view 100 times larger than Hubble, the observatory will survey the cosmos for distant worlds and clues to dark energy
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Reposted by Keith Smith
Science Magazine @science.org · 26/08/2026
China has abruptly postponed the launch of its Chang'e-7 mission to study lunar water ice, a resource that could help establish crewed bases on the Moon. Learn more: scim.ag/4y4r44L
China abruptly delays mission to probe Moon’s hidden water
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Reposted by Keith Smith
Keith Smith @drkeithsmith.bsky.social · 11/08/2026
Do you want to work on breakthrough discoveries? @science.org is recruiting a full-time research editor to handle papers in physics, preferably with expertise in photonics. ⚛️🧪 Can be based in Cambridge (UK), Washington DC (US), or remote in either country. recruiting.ultipro.com/AME1123ASEM/...
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Keith Smith @drkeithsmith.bsky.social · 19/08/2026
NASA expects the Swift space observatory to de-orbit ‘later this year’. The mission to save it has failed, though the press release tries hard to put a positive spin on the attempt. ☄️🔭 #highenergyastro
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Reposted by Keith Smith
Nereide @drnereide.bsky.social · 11/08/2026
1/9 In 2019, a Warsaw research team presented the first 3D map of the Milky Way in the journal Science. The map is based on direct distances to thousands of Cepheids. A pioneering achievement, still widely cited. 🔭🧪⚛️ #galactic #astronomy #universe
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Reposted by Keith Smith
Science Magazine @science.org · 14/08/2026
Two scientists working on Italy’s bid to host the Einstein Telescope, Europe’s next-generation gravitational-wave observatory, had their cars set ablaze in Lula, the village in Sardinia where the project would be built. scim.ag/4hywK1U
scim.ag
Arson attack jolts Italy’s bid to host the Einstein Telescope
Two scientists' cars were burned at the proposed Sardinian site, in what researchers say was an attempt to intimidate supporters of the gravitational-wave observatory
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Reposted by Keith Smith
Science Magazine @science.org · 14/08/2026
A radiation shield vest tested onboard Artemis I could reduce risk from solar particle events, according to a new study. Learn more in #ScienceAdvances: scim.ag/3RN9Pp8
scim.ag
First evaluation of wearable radiation protection for human deep space exploration, as flown on Artemis I
With preparations underway for extended-duration crewed deep space missions, the health risks of solar particle events (SPEs) to astronauts are becoming increasingly pertinent. To address this hazard,...
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Keith Smith @drkeithsmith.bsky.social · 13/08/2026
I used a pair of binoculars to project yesterday’s partial solar eclipse onto a piece of paper. It’s a simple way to get a good view of what’s happening, and plenty of passers by stopped for a look. 🔭🧪
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Keith Smith @drkeithsmith.bsky.social · 11/08/2026
Do you want to work on breakthrough discoveries? @science.org is recruiting a full-time research editor to handle papers in physics, preferably with expertise in photonics. ⚛️🧪 Can be based in Cambridge (UK), Washington DC (US), or remote in either country. recruiting.ultipro.com/AME1123ASEM/...
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Reposted by Keith Smith
Science Magazine @science.org · 31/07/2026
Neptune’s inner moons may have formed from the deep interiors of ancient icy satellites, new observations show. Learn more in #ScienceAdvances: scim.ag/4pGwU9f
scim.ag
Neptune’s inner moons and rings are exposed icy body interiors
Triton’s destructive wake exposed clay-like minerals from within ancient icy worlds, now reaccreted as Neptune’s inner moons.
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Keith Smith @drkeithsmith.bsky.social · 31/07/2026
An Editorial in @science.org discusses the recent reorganisation of the UK science ministry, and plans to improve commercialisation of British science. @profgeraintrees.bsky.social & @jameswilsdon.bsky.social argue that capital investment is the main limitation. 🔭🧪⚛️ www.science.org/doi/10.1126/...
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Keith Smith @drkeithsmith.bsky.social · 31/07/2026
Editor's choice: Will the Sun destroy Earth? Esseldeurs et al. simulate the fate of the inner Solar System when the Sun evolves into a red giant star. ☄️🔭🧪 www.science.org/doi/10.1126/...
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Reposted by Keith Smith
Daniel Clery @danclery.bsky.social · 29/07/2026
U.K. physics cuts may force iconic 1950s telescope to close | Science | AAAS @science.org 🔭🧪 www.science.org/content/arti...
science.org
U.K. physics cuts may force iconic 1950s telescope to close
Jodrell Bank Observatory is one of several projects to lose funding following a review by the cash-strapped Science and Technology Facilities Council
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Keith Smith @drkeithsmith.bsky.social · 27/07/2026
☄️🔭🧪⚛️
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Keith Smith @drkeithsmith.bsky.social · 27/07/2026
☄️🔭🧪⚛️
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Keith Smith @drkeithsmith.bsky.social · 26/07/2026
I am sorry to hear that Ralph Wijers has died aged 62. We were colleagues at MNRAS, where Ralph was a long-standing editor, and he was a great help to me at Science. We both enjoyed swapping opinions on peer review, open access, preprints (he was scientific director of arXiv), and open science. ☄️🔭
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Keith Smith @drkeithsmith.bsky.social · 26/07/2026
A great illustration of how wide-field astronomical surveys have improved over the last three decades. The first image here used photographic plates on 1-m class telescopes. The last one is from an 8 m diameter telescope equipped with a digital camera the size of a small car. ☄️🔭🧪⚛️
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Keith Smith @drkeithsmith.bsky.social · 20/07/2026
☄️🔭🧪
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Keith Smith @drkeithsmith.bsky.social · 19/07/2026
I think we can all agree: the correct team lost a terrible game.
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Reposted by Keith Smith
Scott Bryan @scottygb.bsky.social · 19/07/2026
Wayne Rooney speaks for everyone.
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Keith Smith @drkeithsmith.bsky.social · 19/07/2026
The only thing worse than the game so far is the farcical half time show 😳 Does anyone actually like this stuff?
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Keith Smith @drkeithsmith.bsky.social · 16/07/2026
Observing an atmosphere on a rocky #exoplanet orbiting in the habitable zone: Cherubim et al. use transit spectroscopy to identify helium absorption by LHS 1140b. The results indicate a helium-dominated atmosphere that is undergoing transient escape. ☄️🔭🧪 #Exo6 www.science.org/doi/10.1126/...
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Reposted by Keith Smith
Science Magazine @science.org · 10/07/2026
NSF has decided to ban collaborations between every U.S. scientist it funds and nearly all Chinese research institutions and their employees. The new policy abandons NSF’s earlier attempt to balance the potential risks and benefits of such collaborations. scim.ag/4bw5Of5
science.org
New NSF policy would ban almost all collaborations with Chinese scientists
Agency drops attempt to mitigate risk in favor of outright prohibition on working with most Chinese research institutions
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Keith Smith @drkeithsmith.bsky.social · 09/07/2026
Are Neptune and Uranus really 'ice giants'? @hannah-richter.bsky.social speaks to researchers who have proposed alternative interior compositions. Current data cannot distinguish between them - a spacecraft mission to Uranus is required. ☄️🔭 #planetsci #exoplanets www.science.org/doi/10.1126/...
science.org
Uranus and Neptune may not be ‘ice giants’ after all
A growing number of theories propose Uranus and Neptune are rocky worlds
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Keith Smith @drkeithsmith.bsky.social · 08/07/2026
The Curiosity rover has found stones composed of near-pure sulphur in an ancient river canyon on #Mars, report VanBommel et al. There's no sign of nearby volcanism, so they propose formation was by decompression of sulphur-rich clathrates. ☄️🔭 #planetsci www.science.org/doi/10.1126/...
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Reposted by Keith Smith
EAS Annual Meeting @eas-meeting.bsky.social · 02/07/2026
The protection of dark and quiet skies in the era of satellite constellations is an important topic today at #EAS2026Lausanne @eso.org’s Olivier Hainaut and others explain why
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Reposted by Keith Smith
Matthew Warren @mattbwarren.bsky.social · 01/07/2026
A disturbing vision of the future night sky: 'Each of the 50,000 reflectors would shine as bright as Venus, the brightest object in the sky after the Moon. In a light-polluted city, hundreds of these bright pinpricks would likely be the only “stars” visible.' By @danclery.bsky.social
science.org
Proposed new satellite fleets could overwhelm the night sky
Orbiting data centers and sunlight reflectors would scupper astronomy by leaving streaks on telescope images and brightening skies, study finds
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Keith Smith @drkeithsmith.bsky.social · 29/06/2026
This week I am attending the Exoplanets 6 conference in Porto. If you’re here and interested in publishing in Science (@science.org), please find me in a coffee break for a chat! #Exo6 #exoplanets ☄️
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Keith Smith @drkeithsmith.bsky.social · 26/06/2026
Why did Springer Nature retract two papers by Max Planck, ~70 years after they were published? Any why were they selling blank PDFs for $40? The answer seems to involve a misbehaving unsupervised algorithm. Because of course it does. 🧪⚛️🔭 www.science.org/content/arti...
science.org
Why have papers by one of history’s most famous physicists been retracted?
Springer Nature has removed two studies by Max Planck. A bot may be to blame
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Keith Smith @drkeithsmith.bsky.social · 26/06/2026
Editor's choice: Is it possible to focus neutrinos? Britzen et al. demonstrate a lens that does the job. ☄️🔭⚛️ #highenergyastro www.science.org/doi/10.1126/...
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Keith Smith @drkeithsmith.bsky.social · 25/06/2026
Stellar activity affects #exoplanets, but how about the other way around? Revilla et al. identify periodic stellar activity induced by a Neptune-mass exoplanet orbiting a red dwarf star. The strength of the interaction constrains the exoplanet's magnetic field. ☄️🔭 www.science.org/doi/10.1126/...
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Keith Smith @drkeithsmith.bsky.social · 23/06/2026
A high-risk mission will soon attempt to save the Swift observatory. A rescue spacecraft, designed & built in just 7 months, will rendezvous with the space telescope, grab on, then boost it to a higher orbit. If it works. Report by @danclery.bsky.social 🛰️☄️🔭🧪 www.science.org/content/arti...
science.org
A space telescope is falling to Earth. NASA is racing to rescue it
Vehicle will attempt a daring capture-and-boost mission to extend the life of the Swift observatory
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Keith Smith @drkeithsmith.bsky.social · 19/06/2026
Marchi et al. report results from the the flyby of asteroid Donaldjohanson (DJ) by the Lucy spacecraft. They find DJ has a bi-lobed shape and is in a tumbling spin. The crater density is consistent with an age of about 150 million years. ☄️🔭 #planetsci www.science.org/doi/10.1126/...
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