Subscribe now

Space

Plasma sail spacecraft could soar like an albatross to Alpha Centauri

A spacecraft equipped with a "sail" made from plasma could build up speed by repeatedly crossing the boundary at the edge of the solar system, just as an albatross soars by taking advantage of regions of different wind speeds

By Jonathan O’Callaghan

2 December 2022

Heliosphere

The termination shock, at the centre of this diagram, is where the solar wind first reaches interstellar space

SCIENCE PHOTO LIBRARY

A spacecraft that crosses the boundary of plasma at the edge of our solar system could be boosted to the extreme speeds necessary for interstellar travel using a similar principle to how an albatross maintains flight on Earth.

The idea is an extension of a solar sail, which uses a large, reflective surface to “ride” the stream of particles being emitted by the sun, gradually increasing in speed over time as particles hit the sail.

Mathias Larrouturou at McGill…

Sign up to our weekly newsletter

Receive a weekly dose of discovery in your inbox. We'll also keep you up to date with New Scientist events and special offers.

Sign up

To continue reading, subscribe today with our introductory offers

Popular articles

Trending New Scientist articles

Piano Exit Overlay Banner Mobile Piano Exit Overlay Banner Desktop