Interstellar Travel – Spaceflight Now

LightSail team declares success in solar sail experiment

August 1, 2019 Stephen Clark

The gentle push of sunlight is slowly changing the orbit of the Planetary Society’s crowd-funded LightSail 2 satellite after it unfurled a thin solar sail the size of a boxing ring last week, officials confirmed Wednesday.

Privately-funded spacecraft now solar sailing in Earth orbit

July 26, 2019 Stephen Clark

A nanosatellite launched aboard SpaceX’s Falcon Heavy rocket last month has unfurled a solar sail membrane and is using light pressure from the sun to change its orbit around Earth, pioneering techniques that could be used by future missions traveling to the sun’s stellar neighbors.

An interstellar interloper is dashing through our solar system

November 22, 2017 Stephen Clark

Astronomers say an object observed speeding through our solar system last month has an unexpected cigar-like shape and originated from another star, making it the first confirmed interstellar asteroid.

Russian billionaire devotes $100 million to star flight initiative

April 13, 2016 William Harwood

Russian billionaire Yuri Milner plans to spend $100 million over the next few years to begin developing the technology needed to build a giant laser array to propel swarms of postage stamp-size spacecraft off on 20-year-long interstellar flights to Alpha Centauri, the nearest star system to the sun, the internet investor announced Tuesday.