The May 2023 issue of Princpium is now available and has already gone out to subscribers.
Blog
Avi Loeb takes on Project Lyra, we reply
Avi Loeb, whose name is firmly associated with the alien artifact speculation regarding ‘Oumuamua has posted a blog article on Project Lyra. This is not the first time he reacts to Project Lyra and we see this as another opportunity to put forward our point of view. We agree that the only way to settle […]
‘Oumuamua a hydrogen-water iceberg? i4is illustrates
‘Oumuamua, the interstellar object discovered in 2017 is hypothesized to be a hydrogen iceberg: Bergner, J. B., & Seligman, D. Z. (2023). Acceleration of 1I/‘Oumuamua from radiolytically produced H2 in H2O ice. Nature, 615(7953), 610-613. Although this has been a much discussed hypothesis, the dominant image of ‘Oumuamua used in the media is still the […]
BBC/Bilibili Series i4is Contribution: Rendezvous with the Future
Rendezvous with the Future (未来漫游指南) (BBC/Bilibili) is a major streaming TV series on the future of humanity, which has been released in China and has so far been watched by over 55 million people. It is narrated by the internationally famed Chinese SF author Liu Cixin. Our Executive Director Dr. Andreas Hein acted as an […]
Members Newsletter
Preprints from Principium 41 for members You will also find preprints of the following P41 article in your members only pages – IRG23 Preview: 8th Interstellar Symposium, McGill University, Montreal, July 10 – 13, 2023 Cost-Optimal System Performance Maps for Laser-Accelerated Sailcraft Project Lyra: What SpaceX could do: The Way to Go and the Launcher […]
C/2014 UN271 the comet which will NOT collide with the Earth
Adam Hibberd An Oort cloud comet is composed primarily of dust and ice and has spent most of its life in the far-flung distant reaches of our Solar System (2,000 au to 200,000 au from our Sun). It is eventually nudged inward towards our Sun by gravitational influences such as galactic tides or some passing […]
Project Lyra: Falcon Heavy Expendable
Adam Hibberd Following on from my previous blog where I studied the capability of the up-coming Ariane 6 4 launcher in terms of delivering a spacecraft on a course to intercept the first interstellar object to be discovered, ‘Oumuamua, I continue this logical progression with analysis of a more powerful launcher, the Falcon Heavy. The […]
Members Newsletter
The deadline to submit papers to the bi-annual Interstellar Research Group conference is now less than one month away (Abstract Submission Final Deadline, April 21) i4is will be there and we’ll be reporting in Principium and the Members Newsletter. It will take place July 10 – 13, 2023 (with pre-symposium seminars taking place) in Montreal, QC, Canada at McGill University.