I4IS
@i4interstellar.bsky.social
I4IS is a multi-national organisation dedicated to achieving interstellar flight through education, research and development - Knowledge to the Stars!
Here's a great video from Isaac Arthur covering many aspects of Interstellar colonisation...
- What Counts as Interstellar?
- Transport and Survival
- Nearby Candidates
- How Might We Do It?
- Sleeper Ships
- Interstellar Relays
- Cloning and Digital Migration
youtu.be/r1VZVmnIZDg?...
- What Counts as Interstellar?
- Transport and Survival
- Nearby Candidates
- How Might We Do It?
- Sleeper Ships
- Interstellar Relays
- Cloning and Digital Migration
youtu.be/r1VZVmnIZDg?...
The First Interstellar Colony - Humanity’s Leap Beyond Sol
YouTube video by Isaac Arthur
youtu.be
November 18, 2025 at 11:16 AM
Here's a great video from Isaac Arthur covering many aspects of Interstellar colonisation...
- What Counts as Interstellar?
- Transport and Survival
- Nearby Candidates
- How Might We Do It?
- Sleeper Ships
- Interstellar Relays
- Cloning and Digital Migration
youtu.be/r1VZVmnIZDg?...
- What Counts as Interstellar?
- Transport and Survival
- Nearby Candidates
- How Might We Do It?
- Sleeper Ships
- Interstellar Relays
- Cloning and Digital Migration
youtu.be/r1VZVmnIZDg?...
Reposted by I4IS
The Interstellar Research Group is offering three $2,500 scholarships for undergrad, master’s, and doctoral students advancing humanity’s path to the stars. Apply by Dec 15, 2025, at 5 PM EST. Learn more: https://irg.space/scholarships/2026-scholarships/
#IRG #STEM #Scholarships
#IRG #STEM #Scholarships
November 10, 2025 at 11:00 AM
The Interstellar Research Group is offering three $2,500 scholarships for undergrad, master’s, and doctoral students advancing humanity’s path to the stars. Apply by Dec 15, 2025, at 5 PM EST. Learn more: https://irg.space/scholarships/2026-scholarships/
#IRG #STEM #Scholarships
#IRG #STEM #Scholarships
Reposted by I4IS
The Interstellar Research Group is now accepting 2026 scholarship applications for undergrad, master’s, and doctoral students in the U.S. Three $2,500 awards for those shaping humanity’s future among the stars. Apply by Dec 15, 2025: https://irg.space/scholarships/2026-scholarships/
#IRG
#IRG
November 12, 2025 at 11:00 AM
The Interstellar Research Group is now accepting 2026 scholarship applications for undergrad, master’s, and doctoral students in the U.S. Three $2,500 awards for those shaping humanity’s future among the stars. Apply by Dec 15, 2025: https://irg.space/scholarships/2026-scholarships/
#IRG
#IRG
Reposted by I4IS
Shape humanity’s interstellar future. The Interstellar Research Group seeks visionary leaders to join its Board of Directors. Help guide the global pursuit of interstellar flight and exploration. Apply by Dec 10, 2025: https://ow.ly/glbc50XpLNt
#SpaceLeadership #IRG
#SpaceLeadership #IRG
November 12, 2025 at 1:01 PM
Shape humanity’s interstellar future. The Interstellar Research Group seeks visionary leaders to join its Board of Directors. Help guide the global pursuit of interstellar flight and exploration. Apply by Dec 10, 2025: https://ow.ly/glbc50XpLNt
#SpaceLeadership #IRG
#SpaceLeadership #IRG
This describes five ideas for interstellar travel.
As a spoiler, in summary...
- Brute-force 'Project Daedalus'
- Laser Sail
- Bussard Ramjet
- Antimatter 'Project Valkyrie'
- the 'Light Hugger'
Other concepts involve breaking physics, these (just) avoid that. Comments?
youtu.be/xJSO-ptwYxw?...
As a spoiler, in summary...
- Brute-force 'Project Daedalus'
- Laser Sail
- Bussard Ramjet
- Antimatter 'Project Valkyrie'
- the 'Light Hugger'
Other concepts involve breaking physics, these (just) avoid that. Comments?
youtu.be/xJSO-ptwYxw?...
Five Realistic Interstellar Designs
YouTube video by Spacedock
youtu.be
October 29, 2025 at 9:00 PM
This describes five ideas for interstellar travel.
As a spoiler, in summary...
- Brute-force 'Project Daedalus'
- Laser Sail
- Bussard Ramjet
- Antimatter 'Project Valkyrie'
- the 'Light Hugger'
Other concepts involve breaking physics, these (just) avoid that. Comments?
youtu.be/xJSO-ptwYxw?...
As a spoiler, in summary...
- Brute-force 'Project Daedalus'
- Laser Sail
- Bussard Ramjet
- Antimatter 'Project Valkyrie'
- the 'Light Hugger'
Other concepts involve breaking physics, these (just) avoid that. Comments?
youtu.be/xJSO-ptwYxw?...
Issue 50 of Principium is now published
- Lead Feature : BOOK REVIEW, The Ross 248 Project.
- Project Hyperion
- Breakthrough Disc
- "Where do you look for ET"
- IAC25
- The Journals
- Interstellar News
.. and more !
Read it here : - i4is.org/principium-50/
Editor: @johninghamdavies.bsky.social
- Lead Feature : BOOK REVIEW, The Ross 248 Project.
- Project Hyperion
- Breakthrough Disc
- "Where do you look for ET"
- IAC25
- The Journals
- Interstellar News
.. and more !
Read it here : - i4is.org/principium-50/
Editor: @johninghamdavies.bsky.social
Principium 50
Principium 50 – Contents
LEAD FEATURE
BOOK REVIEW The Ross 248 Project (<a href="https://i4is.org/wp-content/uploads/2025/08/BOOK-REVIEW-The-Ross-248-Project-Principium50-2508261234.pdf">https://i4is...
i4is.org
September 2, 2025 at 8:36 AM
Issue 50 of Principium is now published
- Lead Feature : BOOK REVIEW, The Ross 248 Project.
- Project Hyperion
- Breakthrough Disc
- "Where do you look for ET"
- IAC25
- The Journals
- Interstellar News
.. and more !
Read it here : - i4is.org/principium-50/
Editor: @johninghamdavies.bsky.social
- Lead Feature : BOOK REVIEW, The Ross 248 Project.
- Project Hyperion
- Breakthrough Disc
- "Where do you look for ET"
- IAC25
- The Journals
- Interstellar News
.. and more !
Read it here : - i4is.org/principium-50/
Editor: @johninghamdavies.bsky.social
Reposted by I4IS
My latest starship blog for the Initiative for Interstellar Studies (@i4interstellar.bsky.social):
i4is.org/3i-atlas-the...
i4is.org/3i-atlas-the...
3I/ATLAS – the Interstellar Controversy.
i4is.org
August 6, 2025 at 5:42 PM
My latest starship blog for the Initiative for Interstellar Studies (@i4interstellar.bsky.social):
i4is.org/3i-atlas-the...
i4is.org/3i-atlas-the...
Reposted by I4IS
My paper with Avi Loeb and Adam Crowl on the subject of bringing Juno as close to 3I/ATLAS as possible:
www.researchgate.net/publication/...
www.researchgate.net/publication/...
(PDF) Intercepting 3I/ATLAS at Closest Approach to Jupiter with the Juno spacecraft
PDF | The interstellar object 3I/ATLAS is expected to arrive at a distance of $53.56(\pm 0.45)$ million ${\rm km}$ ($0.358\pm 0.003$~au) from Jupiter on... | Find, read and cite all the research you n...
www.researchgate.net
August 3, 2025 at 9:47 PM
My paper with Avi Loeb and Adam Crowl on the subject of bringing Juno as close to 3I/ATLAS as possible:
www.researchgate.net/publication/...
www.researchgate.net/publication/...
🌌 Announcing the Winners of the Project Hyperion Design Competition 🌌 ... hosted by i4iS.
Can we imagine a society that thrives on the journey to the stars?
🏆 Winners
🥇 Chrysalis
🥈 WFP Extreme
🥉 Systema Stellare Proximum
Plus 10 mentions...
Full details are here : www.projecthyperion.org
Can we imagine a society that thrives on the journey to the stars?
🏆 Winners
🥇 Chrysalis
🥈 WFP Extreme
🥉 Systema Stellare Proximum
Plus 10 mentions...
Full details are here : www.projecthyperion.org
Project Hyperion | interstellar generation ship design competition
Project Hyperion explores the feasibility of crewed interstellar travel via generation ships, using current and near-future technologies. A generation ship is a hypothetical spacecraft designed for lo...
www.projecthyperion.org
July 29, 2025 at 10:55 AM
🌌 Announcing the Winners of the Project Hyperion Design Competition 🌌 ... hosted by i4iS.
Can we imagine a society that thrives on the journey to the stars?
🏆 Winners
🥇 Chrysalis
🥈 WFP Extreme
🥉 Systema Stellare Proximum
Plus 10 mentions...
Full details are here : www.projecthyperion.org
Can we imagine a society that thrives on the journey to the stars?
🏆 Winners
🥇 Chrysalis
🥈 WFP Extreme
🥉 Systema Stellare Proximum
Plus 10 mentions...
Full details are here : www.projecthyperion.org
Our astrodynamicist @adamsspaceresearch.bsky.social is presenting on "Flying to a Potentially Hazardous Object..." on 20Sep25 with T Marshall Eubanks, hosted by the BIS.
They'll present research into a mission to PHO 2024 YR4, which may hit the Moon in 2032.
www.bis-space.com/event/bis-we...
They'll present research into a mission to PHO 2024 YR4, which may hit the Moon in 2032.
www.bis-space.com/event/bis-we...
BIS West Midlands Branch: Flying to a Potentially Hazardous Object - A Mission of Gravity - The British Interplanetary Society
How might humanity send a mission to explore or even deflect a potentially hazardous object (PHO)? A PHO is a celestial body, usually an asteroid, which regularly intersects Earth’s orbit and, dependi...
www.bis-space.com
July 26, 2025 at 11:43 AM
Our astrodynamicist @adamsspaceresearch.bsky.social is presenting on "Flying to a Potentially Hazardous Object..." on 20Sep25 with T Marshall Eubanks, hosted by the BIS.
They'll present research into a mission to PHO 2024 YR4, which may hit the Moon in 2032.
www.bis-space.com/event/bis-we...
They'll present research into a mission to PHO 2024 YR4, which may hit the Moon in 2032.
www.bis-space.com/event/bis-we...
Here's an interesting paper by our member @adamsspaceresearch.bsky.social et al.
There's been criticism that it proposes alien origin for 3/Atlas, but it says that is not so : it's an academic exercise mentioning our habit of seeing pattern in randomness.
Please comment!
arxiv.org/abs/2507.12213
There's been criticism that it proposes alien origin for 3/Atlas, but it says that is not so : it's an academic exercise mentioning our habit of seeing pattern in randomness.
Please comment!
arxiv.org/abs/2507.12213
Is the Interstellar Object 3I/ATLAS Alien Technology?
At this early stage of its passage through our Solar System, 3I/ATLAS, the recently discovered interstellar interloper, has displayed various anomalous characteristics, determined from photometric and...
arxiv.org
July 21, 2025 at 10:30 AM
Here's an interesting paper by our member @adamsspaceresearch.bsky.social et al.
There's been criticism that it proposes alien origin for 3/Atlas, but it says that is not so : it's an academic exercise mentioning our habit of seeing pattern in randomness.
Please comment!
arxiv.org/abs/2507.12213
There's been criticism that it proposes alien origin for 3/Atlas, but it says that is not so : it's an academic exercise mentioning our habit of seeing pattern in randomness.
Please comment!
arxiv.org/abs/2507.12213
Reposted by I4IS
Go to my starshp blog for i4is which can be found here:
i4is.org/wp-admin/pos...
It raises a hypothetical question and mentions the various evidence in favour. It emphasises that the investigations are merely a pedagogical exercise. @i4interstellar.bsky.social
Preprint:
arxiv.org/abs/2507.12213
i4is.org/wp-admin/pos...
It raises a hypothetical question and mentions the various evidence in favour. It emphasises that the investigations are merely a pedagogical exercise. @i4interstellar.bsky.social
Preprint:
arxiv.org/abs/2507.12213
Is the Interstellar Object 3I/ATLAS Alien Technology?
At this early stage of its passage through our Solar System, 3I/ATLAS, the recently discovered interstellar interloper, has displayed various anomalous characteristics, determined from photometric and...
arxiv.org
July 17, 2025 at 6:31 PM
Go to my starshp blog for i4is which can be found here:
i4is.org/wp-admin/pos...
It raises a hypothetical question and mentions the various evidence in favour. It emphasises that the investigations are merely a pedagogical exercise. @i4interstellar.bsky.social
Preprint:
arxiv.org/abs/2507.12213
i4is.org/wp-admin/pos...
It raises a hypothetical question and mentions the various evidence in favour. It emphasises that the investigations are merely a pedagogical exercise. @i4interstellar.bsky.social
Preprint:
arxiv.org/abs/2507.12213
Here's a recent video from @hoojiwana.bsky.social talking about the recent 'Pulsar Fusion' publicity.
Are his conclusions correct ? Or will Pulsar take us to the stars ?
Comments are welcome !!
Are his conclusions correct ? Or will Pulsar take us to the stars ?
Comments are welcome !!
Recently a fusion space tug concept was unveiled by Pulsar Fusion, which was met with lots of excitement from the press. But I'm not sure that it holds up, at least in its current state. Check out this weeks video on Spacedock to find out more:
www.youtube.com/watch?v=gJy6...
www.youtube.com/watch?v=gJy6...
I'm Skeptical of This Fusion Space Tug
YouTube video by Spacedock
www.youtube.com
July 13, 2025 at 6:24 PM
Here's a recent video from @hoojiwana.bsky.social talking about the recent 'Pulsar Fusion' publicity.
Are his conclusions correct ? Or will Pulsar take us to the stars ?
Comments are welcome !!
Are his conclusions correct ? Or will Pulsar take us to the stars ?
Comments are welcome !!
This could be interesting, especially if
@adamsspaceresearch.bsky.social can find a good spacecraft rendezvous option ...
@adamsspaceresearch.bsky.social can find a good spacecraft rendezvous option ...
For any asteroid observers who have not heard about it already:
Newly-discovered #A11pl3Z is a candidate interstellar object.
cneos.jpl.nasa.gov/scout/#/obje...
Newly-discovered #A11pl3Z is a candidate interstellar object.
cneos.jpl.nasa.gov/scout/#/obje...
Scout: NEOCP Hazard Assessment
NASA's Near-Earth Object (NEO) web-site. Data related to Earth impact risk, close-approaches, and much more.
cneos.jpl.nasa.gov
July 2, 2025 at 10:55 AM
This could be interesting, especially if
@adamsspaceresearch.bsky.social can find a good spacecraft rendezvous option ...
@adamsspaceresearch.bsky.social can find a good spacecraft rendezvous option ...
Reposted by I4IS
Inflatable sails offer steep savings in mass & enable larger payloads. I look today at deep space concepts involving this technology, & new studies on using inflatable structures for exoplanet research via a starshade. www.centauri-dreams.org/2025/06/11/i...
Inflatable Technologies for Deep Space | Centauri Dreams
www.centauri-dreams.org
June 11, 2025 at 9:12 AM
Inflatable sails offer steep savings in mass & enable larger payloads. I look today at deep space concepts involving this technology, & new studies on using inflatable structures for exoplanet research via a starshade. www.centauri-dreams.org/2025/06/11/i...
Registration is open for the 9th Interstellar Symposium in Austin, Texas, 12-15 October 2025.
irg.space/2025-irg-9th...
irg.space/2025-irg-9th...
2025 - Austin, Texas - Interstellar Research Group
Distant Worlds, Neighboring Opportunities An Interstellar Research Group EventOctober 12-15, 2025 AT&T Conference CenterUniversity of Texas at Austin CALL FOR PAPERS REGISTER TODAY HOTEL RESERVATION I...
irg.space
June 11, 2025 at 8:09 PM
Registration is open for the 9th Interstellar Symposium in Austin, Texas, 12-15 October 2025.
irg.space/2025-irg-9th...
irg.space/2025-irg-9th...
Exciting voluntary role !
Do you know layout software?
We need a new voluntary Layout Editor for our quarterly online magazine Principium. We provide the software and training.
The team will supply the content; you would put it all together.
Join our commitment to expanding humanity’s horizons!
Do you know layout software?
We need a new voluntary Layout Editor for our quarterly online magazine Principium. We provide the software and training.
The team will supply the content; you would put it all together.
Join our commitment to expanding humanity’s horizons!
June 8, 2025 at 8:21 PM
Exciting voluntary role !
Do you know layout software?
We need a new voluntary Layout Editor for our quarterly online magazine Principium. We provide the software and training.
The team will supply the content; you would put it all together.
Join our commitment to expanding humanity’s horizons!
Do you know layout software?
We need a new voluntary Layout Editor for our quarterly online magazine Principium. We provide the software and training.
The team will supply the content; you would put it all together.
Join our commitment to expanding humanity’s horizons!
Here's another excellent video by @fcain.universetoday.com describing a breakthrough in light sail technology...
youtu.be/iHLm9oHMsyM?...
youtu.be/iHLm9oHMsyM?...
Punching NanoHoles in Light Sails Can Bring Us Closer to Alpha Centauri
YouTube video by Fraser Cain
youtu.be
June 7, 2025 at 6:00 PM
Here's another excellent video by @fcain.universetoday.com describing a breakthrough in light sail technology...
youtu.be/iHLm9oHMsyM?...
youtu.be/iHLm9oHMsyM?...
We are leading two 1-day Workshops at The Royal Institution in London for young space scientists/engineers/dreamers !
"Skateboards to Starships"
- Age 12–14 : 07Aug25 www.rigb.org/whats-on/hol...
- Age 15–18 : 08Aug25 www.rigb.org/whats-on/hol...
Led by @johninghamdavies.bsky.social & others
"Skateboards to Starships"
- Age 12–14 : 07Aug25 www.rigb.org/whats-on/hol...
- Age 15–18 : 08Aug25 www.rigb.org/whats-on/hol...
Led by @johninghamdavies.bsky.social & others
Holiday workshops: Skateboards to starships (age 15–18)
www.rigb.org
May 29, 2025 at 7:04 PM
We are leading two 1-day Workshops at The Royal Institution in London for young space scientists/engineers/dreamers !
"Skateboards to Starships"
- Age 12–14 : 07Aug25 www.rigb.org/whats-on/hol...
- Age 15–18 : 08Aug25 www.rigb.org/whats-on/hol...
Led by @johninghamdavies.bsky.social & others
"Skateboards to Starships"
- Age 12–14 : 07Aug25 www.rigb.org/whats-on/hol...
- Age 15–18 : 08Aug25 www.rigb.org/whats-on/hol...
Led by @johninghamdavies.bsky.social & others
From 2024, here's the Project Lyra* mission guide by @adamsspaceresearch.bsky.social in a starship blog on our website.
i4is.org/project-lyra...
* Project Lyra is the study of missions to chase down the interstellar object 11/'Oumuamua, in order to determine once and for all what this thing is...
i4is.org/project-lyra...
* Project Lyra is the study of missions to chase down the interstellar object 11/'Oumuamua, in order to determine once and for all what this thing is...
April 21, 2025 at 11:48 AM
From 2024, here's the Project Lyra* mission guide by @adamsspaceresearch.bsky.social in a starship blog on our website.
i4is.org/project-lyra...
* Project Lyra is the study of missions to chase down the interstellar object 11/'Oumuamua, in order to determine once and for all what this thing is...
i4is.org/project-lyra...
* Project Lyra is the study of missions to chase down the interstellar object 11/'Oumuamua, in order to determine once and for all what this thing is...
This is everywhere in the news today ...
"The Cambridge group has found that the atmosphere seems to contain the chemical signature of at least 1 of 2 molecules... associated with life: dimethyl sulphide and dimethyl disulphide. On Earth ... produced by marine phytoplankton and bacteria."
"The Cambridge group has found that the atmosphere seems to contain the chemical signature of at least 1 of 2 molecules... associated with life: dimethyl sulphide and dimethyl disulphide. On Earth ... produced by marine phytoplankton and bacteria."
An astonishing headline reporting on new observations from a team led to Nikku Madhusudhan claims they’ve found ‘hints of life’ on a planet orbiting a dwarf star some 124 light years away. What’s going on? (1/n) www.bbc.co.uk/news/article... 🔭 🧪
Promising hints of life found on distant planet K2-18b
Scientists find new but tentative evidence that a faraway world orbiting another star may be home to life.
www.bbc.co.uk
April 17, 2025 at 8:10 AM
This is everywhere in the news today ...
"The Cambridge group has found that the atmosphere seems to contain the chemical signature of at least 1 of 2 molecules... associated with life: dimethyl sulphide and dimethyl disulphide. On Earth ... produced by marine phytoplankton and bacteria."
"The Cambridge group has found that the atmosphere seems to contain the chemical signature of at least 1 of 2 molecules... associated with life: dimethyl sulphide and dimethyl disulphide. On Earth ... produced by marine phytoplankton and bacteria."
Again, a fusion-powered interplanetary spacecraft would be good for Interstellar precursor trips, and the technology could be developed for true Interstellar missions.
"From imagination to reality..." In the latest SpaceFlight magazine: Sunbird rises: British nuclear propulsion firm Pulsar Fusion unveiled its interplanetary transfer vehicle propelled by fusion power. @cliftop.bsky.social @stevesalmon.bsky.social
tinyurl.com/3fyxm4ym #BritishInterplanetarySociety
tinyurl.com/3fyxm4ym #BritishInterplanetarySociety
April 15, 2025 at 12:09 PM
Again, a fusion-powered interplanetary spacecraft would be good for Interstellar precursor trips, and the technology could be developed for true Interstellar missions.
Here are videos from the recent Symposium...
"... keynote presentations ... tackling the challenges of humanity’s journey to the stars ... propulsion breakthroughs, astrobiology, long-duration missions ... dive deep into the technologies, ethics, and aspirations... "
youtube.com/playlist?lis...
"... keynote presentations ... tackling the challenges of humanity’s journey to the stars ... propulsion breakthroughs, astrobiology, long-duration missions ... dive deep into the technologies, ethics, and aspirations... "
youtube.com/playlist?lis...
First European Interstellar Symposium: Building Our Home Amoung The Stars - YouTube
Step into the future of space exploration with the First European Interstellar Symposium, hosted by the Interstellar Research Group in collaboration with Ini...
youtube.com
April 3, 2025 at 8:18 PM
Here are videos from the recent Symposium...
"... keynote presentations ... tackling the challenges of humanity’s journey to the stars ... propulsion breakthroughs, astrobiology, long-duration missions ... dive deep into the technologies, ethics, and aspirations... "
youtube.com/playlist?lis...
"... keynote presentations ... tackling the challenges of humanity’s journey to the stars ... propulsion breakthroughs, astrobiology, long-duration missions ... dive deep into the technologies, ethics, and aspirations... "
youtube.com/playlist?lis...
If you're in Oxford UK on April 23-24, here's an interesting event focusing on #Interstellar life and more.
If you're going to attend please contact our magazine editor @johninghamdavies.bsky.social < [email protected] >, he'll be there reporting for us.
web.cvent.com/event/fa7350...
If you're going to attend please contact our magazine editor @johninghamdavies.bsky.social < [email protected] >, he'll be there reporting for us.
web.cvent.com/event/fa7350...
March 24, 2025 at 1:00 PM
If you're in Oxford UK on April 23-24, here's an interesting event focusing on #Interstellar life and more.
If you're going to attend please contact our magazine editor @johninghamdavies.bsky.social < [email protected] >, he'll be there reporting for us.
web.cvent.com/event/fa7350...
If you're going to attend please contact our magazine editor @johninghamdavies.bsky.social < [email protected] >, he'll be there reporting for us.
web.cvent.com/event/fa7350...
Here's an article by @universetoday.com referencing a paper by our member Adam Hubbard ( @adamsspaceresearch.bsky.social ) ...
www.universetoday.com/articles/rem...
www.universetoday.com/articles/rem...
Remember that Asteroid That Isn't Going to Hit Earth? We Could Send A Mission to Explore it! - Universe Today
In a recent paper, Adam Hibberd and Marshall Eubanks explore the feasibility of sending a mission to rendezvous with YR4, the asteroid that may pose a hazard to Earth someday.
www.universetoday.com
March 13, 2025 at 10:06 AM
Here's an article by @universetoday.com referencing a paper by our member Adam Hubbard ( @adamsspaceresearch.bsky.social ) ...
www.universetoday.com/articles/rem...
www.universetoday.com/articles/rem...