Today on the ArXiv: How to ride a light beam to the stars, and how not to analyse distance indicators

Posted on Oct 3, 2016 in astro-ph, News, Research, Science

Today on the arXiv, a nice analysis of how to design a solar sail in such a way that the light beam powering it is prevented from rocking it side to side, and hence destabilising it. The key idea is to use a spherical sail (rather than conical designs as previously proposed) and a multi-modal laser […]