solar sail

asteroidsCarnival of Space 622

1. Universe Today – LightSail 2 is Sending Home New Pictures of Earth LightSail 2, the brainchild of The Planetary Society, has gifted us two new gorgeous images of Earth. The small spacecraft is currently in orbit at about 720 …

materialsA SpaceCraft Could Get to 430,000 Miles From the Sun Using Proposed Coating

In 2018 the Parker Solar Probe launched and plans to approach the Sun to within 8.5 solar radii (4 million miles) of its surface. This is seven times closer than any previous mission. Researchers think a new coating could allow …

cubesatImproved Solar Sail

The conventional means of collecting and redirecting solar sail light uses a metal-coated polyimide film but this is sub-optimal and unstable because the very large and very thin sail must be rapidly slewed away from the sun line for navigational …

futureBreakthrough Interstellar Starshot Cost and Engineering System Model

Arxiv – Breakthrough Starshot is an initiative to prove ultra-fast light-driven nanocrafts, and lay the foundations for a first launch to Alpha Centauri within the next generation. Along the way, the project could generate important supplementary benefits to solar system …

astronomyUpdated analysis for laser sail mission to Alpha Centauri

There is a 49-page report that has updated analysis on sending a small probe towards the Alpha Centauri system in a 50 year total mission time traveling at an average cruise velocity of 10% of light speed. The Andromeda Study: …

astronomyFuture Solar Sail Missions

Les Johnson of the NASA Marshall Space Center provides a 37-page presentation on solar sails covering the technical details, past projects and future projects. Near-term work is with various cubesats and solar sails. Near Earth Asteroid Scout The Near Earth …

solar sailPlanetary Society ready to launch LightSail 2 solar sail

The Planetary Society’s solar sailing CubeSat (Lightsail2) has been installed into a spring-loaded deployer, and that deployer was bolted to the Prox-1 spacecraft. It was a double integration; basically they put a box inside a box inside a box. Lightsail …

futureSouth Korea developed K2 Panther Tank from Abrams and other technology optimized for Korean Peninsula fighting

The South Korean K2 Black Panther tank development started in 1995 and cost $260 million. South Korea designed a tank that on paper appears to be at equal or better than the specifications of current NATO tanks. Mass production commenced …

astronomyNuclear Energy Weekly News 349

The Carnival of Nuclear Energy blogs has changed its name to Nuclear Energy News Weekly. 1. Neutron Bytes – Dan Yurman – An Up and Down Week for Developers of Advanced Reactors In Washington, DC, the Third Way, a think …

esailLong term dimming of KIC8462852 within the large statistical uncertainty error level

Last fall Yale astronomer Tabetha (Tabby) Boyajian and colleagues posted a paper on an astronomy preprint server reporting a star (KIC 8462852) 1,480 light-years away in the constellation Cygnus had found fluctuations in the light coming from the otherwise ordinary …