Author | Lightnews

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ESA Operations @operations.esa.int · 3d

Asteroids and solar storms and space debris, oh my!

Explore the upcoming fleet of ESA Space Safety missions dedicated to safeguarding humans and infrastructure on Earth and in orbit from hazards originating in space:
www.esa.int/ESA_Multimed...

ESA Space Safety Fleet

www.esa.int

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European Space Agency @esa.int · 5d

🇯🇵 We're establishing a new presence in Tokyo, Japan, our first in Asia! Our new ESA office in Tokyo will serve as a strategic outpost for deepening bilateral engagement, and sets the course for an ambitious new chapter in European-Japanese space collaboration🤝

www.esa.int/About_Us/Cor...

Mr Jun Kazeki, Director General of the National Space Policy Secretariat in the Cabinet Office of the Japanese PM, with ESA's Eric Morel de Westgaver, ESA Director of Strategy, Legal and External Matters.

view of a section of ESA's Tokyo office space.

View of the keynote session given by Eric Morel de Westgaver, ESA Director of Strategy, Legal and External Matters, at Nihonbashi Space Week 2025, marking more than than 50 years of achievements shared by Europe and Japan.

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xkcd title text @xkcd-titletext.bsky.social · 7d

Title text: "The inflection point was probably in late 1966 or 1967, so when Neil Armstrong flew to space on Gemini 8, plate tectonics was not widely accepted, but when he landed on the Moon three years later it was the mainstream consensus."

Alt text: https://explainxkcd.com/3159#Transcript

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Randall Munroe @xkcd.com · 7d

Continents

xkcd.com/3159/

Comic. [two connected spacecraft hovering in space above the Earth] Houston, the view is superb. We can see the continents spread out below us, right where they’ve been since the Earth formed. [caption] I still can’t believe we developed spaceflight before we figured out that the continents moved.

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Florian Aigner @florianaigner.at · 21d

Originalpublikation: www.nature.com/articles/s41...

www.nature.com

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IWF Graz - Institut für Weltraumforschung der ÖAW @iwf-oeaw.bsky.social · 6d

In #NatureAstronomy präsentiert ein internationales Team die erste 3D-Temperaturkarte eines Exoplaneten. Mithilfe von Beobachtungen durch #JWST wurde bei #WASP-18b eine Atmosphäre mit unterschiedlichen Temperaturzonen enthüllt. Analysiert und interpretiert wurde diese unter der Leitung des #IWFGraz.

Exoplanet WASP-18 b jetzt in 3D

In der Fachzeitschrift Nature Astronomy präsentiert ein internationales Team die erste dreidimensionale Temperaturkarte eines Exoplaneten. Mithilfe von Beobachtungen durch das James Webb Space Telesco...

www.oeaw.ac.at

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d🛸p @dprema.bsky.social · 26d

Maybe rather these, marked with the ominous words "Leave behind all hope, you who enter,"

d🛸p @dprema.bsky.social · 26d

So (as from the future vision) all that will be left from Trantor+the super weapon, will be a super blackhole…?

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d🛸p @dprema.bsky.social · 28d

You should try the vegan Køttbullar, Hotdogs or Nuggets, they're actually really good. I guess that these do not contribute to the logging of primeval tree population from the early Ice Age *much* 😅

d🛸p @dprema.bsky.social · Oct 4

a.; but that doesn't apply in a car😅

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Prof Sam Illingworth @samillingworth.com · Oct 3

🪱 The oldest leech ever found

A newly described fossil, Macromyzon siluricus, dates back more than 437 million years, pushing the known origin of leeches 200 million years earlier than previously thought.

🔗 news.ucr.edu/articles/202...

#SciComm #Paleontology 🧪

Rare fossil reveals ancient leeches weren’t bloodsuckers

A newly described fossil reveals that leeches are at least 200 million years older than scientists previously thought, and that their earliest ancestors may have feasted not on blood, but on smaller m...

news.ucr.edu

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AstrobiologyOU @astrobiologyou.bsky.social · Sep 29

World Space Week 2025 is nearly here!

Explore space careers, planetary protection & astrobiology ethics through talks & on-demand content.

👉 stem.open.ac.uk/events

#WorldSpaceWeek #SpaceForAll #STEMEvents

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xkcd title text @xkcd-titletext.bsky.social · Oct 1

Title text: "I'm trying to share my footage of the full run to prove it's not tool-assisted, but the uploader has problems with video lengths of more than a decade."

Alt text: https://explainxkcd.com/3148#Transcript

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Randall Munroe @xkcd.com · Oct 1

100% All Achievements

xkcd.com/3148/

Comic. PERSON 1 to person with white hat: I finished all the gen-ed back in 2010, and I’m up to the 400-level courses in most departments. But now one of my advisors is saying I “can’t have more than 20 majors” and “need to graduate next year.” It’s outrageous! [caption] My university is making it really hard to finish a 100% all achievements speedrun.

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Ben Adler @benadler.bsky.social · Oct 1

Today in @nature.com , we highlight how a cousin of CRISPR-Cas10, mCpol, establishes an evolutionary trap in anti-phage immune systems.

Check out @erinedoherty.bsky.social and my work from @doudna-lab.bsky.social lab here:
www.nature.com/articles/s41...

A miniature CRISPR–Cas10 enzyme confers immunity by inhibitory signalling - Nature

Panoptes, an anti-phage defence system against virus-mediated immune suppression, is revealed.

www.nature.com

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d🛸p @dprema.bsky.social · Oct 2

Sorry 😅 to say but you made the wrong choice
#Na4[BeAlSi4O12]Cl

d🛸p @dprema.bsky.social · Sep 29

Maybe if you freeze it😅:
en.m.wikipedia.org/wiki/Phases_...
I'd like rhombohedral Ice II
(on exoplanets that counts as rock)

Phases of ice - Wikipedia

en.m.wikipedia.org

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xkcd title text @xkcd-titletext.bsky.social · Sep 2

Title text: "They're up there with coral islands, lightning, and caterpillars turning into butterflies."

Alt text: https://explainxkcd.com/3135#Transcript

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Randall Munroe @xkcd.com · Sep 2

Sea Level

xkcd.com/3135/

Comic. [Two people on shore looking at body of water] PERSON 1: Hey, where’s that big island we were looking at this morning? PERSON 2 with short hair: Oh, it’s underwater. The ocean’s depth here goes up and down by like ten feet every day. PERSON 1: What? PERSON 2: It’s because the planet has a big moon orbiting near the surface. It causes weird gravity effects. PERSON 1: *What???* [caption] People here are used to them, but tides are one of the weirdest and most sci-fi elements of life on Earth.

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d🛸p @dprema.bsky.social · Sep 19

🤯Ai-Alt-text: “My new zero-width stash uses Mongolian Vowel Separators so even diff tools can’t spot my malware—good luck patching that.”

#Ai
# The Invisible Payload

**Headline:** “Unicode Exploit”

**Panel Description:**
A single-panel, black-and-white cartoon. On the left sits Black Hat hunched over a laptop plastered with stickers reading “∞ Bugs” and “”. Black Hat’s eyes gleam behind round glasses. On the right stands Cueball, scratching his head. Between them, a speech bubble from Black Hat reads:

“I’ve just committed code with U+2063 Invisible Separator, U+FFF0 Interlinear Annotation Terminator, and U+202F Narrow No-Break Space—plus a ZWNBSP-packed PDF exploit!”

Cueball replies, wide-eyed: “So every ‘space’ in your code is actually a hidden backdoor?”

Black Hat smirks and points at the screen: “Exactly. Run `checkAuth()` and watch your console implode.”

**Bottom Warning Sign:**
A simple black rectangle labeled “WARNING: Unicode May Contain Hidden Malware” in all caps.

Alt-text: “My new zero-width stash uses Mongolian Vowel Separators so even diff tools can’t spot my malware—good luck patching that.”

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Arizona Astrobiology Center @azastrobiology.bsky.social · Sep 12

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AstrobiologyOU @astrobiologyou.bsky.social · Sep 12

World Space Week 2025 is nearly here
We’ve got talks, videos & more exploring careers, ethics & planetary protection.

Join us all week to celebrate space! 4 - 10 October

Full details and registration info coming soon.
#WorldSpaceWeek #SpaceForEveryone

World Space Week 2025
4 - 10 October

Protecting the Solar System
You Don’t Have to be an Astronaut to Work in Space
Astrobiology Ethics
Online resources
Much more...

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Randall Munroe @xkcd.com · Sep 15

Mantle Model

xkcd.com/3141/

Comic. Every feature of the Earth’s surface that we have a hard time explaining. [Arrows point from title to assorted bumps on surface of sphere. Underneath, from the core more arrows point at dotted lines forming structures labeled Hypothesized Mantle Plumes. [caption] Standard Geophysical Model of the Mantle

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xkcd title text @xkcd-titletext.bsky.social · Sep 15

Title text: "Mantle plumes explain Hawaii, Yellowstone, Iceland, the East African Rift, the Adirondack uplift, the Permian extinction, the decline of Rome, the DB Cooper hijacking, and the balrog in Moria. Those little hills of sand in your yard are caused by antle plumes."

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