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You are here: Home / Homepage / Principium 33

Principium 33

30 May 2021

Issue 33 of Principium, the quarterly publication of the Initiative and Institute for Interstellar Studies is now published.

Issue 33 | May 2021

This issue features –

  • LEAD FEATURE: Practicalities and Difficulties of a Mission to ‘Oumuamua
  • The Self Replicating Factory: a work in progress
  • The i4is Members Page
  • Project Pinpoint: Pushing the Limits of Miniaturization
  • Become an i4is member
  • News Features:
    • The i4is Talk Series – 2020 and 2021
    • The 2021 ISU Masters Elective and Masters Projects
    • The 10 parsec sample in the Gaia era
    • i4is wins major contract in Interstellar Studies
  • Interstellar News
  • Book Review: Simone Caroti – The Generation Starship In Science Fiction
  • Book Review: Avi Loeb – Extraterrestrial: The First Sign of Intelligent Life Beyond Earth

Download Issue 33



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Blog

Halley – Return to Earth

6 October 2026

Adam Hibberd Having solved the problem of catching up with and staying alongside Halley’s comet as it orbits the Sun (go here), the natural follow-up problem is how do we return to Earth, from Halley’s orbit, with a sample on-board? So, I decided to look into the problem of a sample return mission from Halley, […]

Europlanet Symposium

2 October 2026

Mention must be made of Annual Europlanet Science Congress 2026, Symposium, which took place in Netherlands this September. Our Executive Director, Andreas Hein chaired the session on Interstellar Objects (ISOs). T. Marshall Eubanks (Space Initiatives Inc, USA) gave the invited talk at the beginning, highlighting our efforts to coordinate the observation campaign of 3I/ATLAS. See […]

Science/Science Fiction Workshop in University of Derby, UK

2 October 2026

We are delighted to highlight an event organised by our long-term supporter, PhD Candidate (and our original Executive Secretary!) Sarah Margree. It’s a star-studded panel with Alastair Reynolds, Ian C Douglas, Professor Ian Turner, our Deputy Director Rob Swinney and Luke Cabot. Then Sarah and Jean Asselin will lead an afternoon of science fiction writing […]

Europlanet Symposium

2 October 2026

Mention must be made of Annual Europlanet Science Congress 2026, Symposium, which took place in Netherlands this September. Our Executive Director, Andreas Hein chaired the session on Interstellar Objects (ISOs). T. Marshall Eubanks (Space Initiatives Inc, USA) gave the invited talk at the beginning, highlighting our efforts to coordinate the observation campaign of 3I/ATLAS. See […]

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Starship Blog

Halley – Return to Earth

Europlanet Symposium

Science/Science Fiction Workshop in University of Derby, UK

Europlanet Symposium

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