Issue 20 of Principium, the quarterly publication of the Initiative and Institute for Interstellar Studies is now published.
Issue 20 | February 2018

This issue features –
- Project Lyra : mission to ʻOumuamua
- Preparing for the next Interstellar Object
- Interstellar News
- The Orbits of Seveneves
- Tsiolkovsky – Interstellar Pioneer
- NEWS FEATURES
- Work on the interstellar asteroid and i4is Project Lyra
- Pete Worden, Breakthrough Initiatives, at i4is HQ
- Sir Arthur C Clarke Centenary
- Models and art at the Mill