Issue 23 of Principium, the quarterly publication of the Initiative and Institute for Interstellar Studies is now published.
Issue 23 | November 2018

This issue, The MEMBERSHIP Edition, features –
- Implications of the Gaia Mission for Future Interstellar Travel
- News Feature – What is Oumuamua?
- Book Review: The Planet Factory – Elizabeth Tasker
- Engineering New Worlds: Goals, Motives and Results
- Interstellar News
- News Features:
- 69th International Astronautical Congress 2018 – The Interstellar Papers
- Starship Engineering – First Five Day i4is Summer School
- Holographic Photon Sails – A Merger of Science and Art
- The Andromeda Probe Model
- TVIW 2018