Bill Nye @BillNye
If I may... woo hoo! https://t.co/mBsqXSIq6O — PolitiTweet.org
Planetary Society @exploreplanets
Cheerio, #LightSail! Our solar sailing spacecraft's model will soon be on display at the @sciencemuseum in London!… https://t.co/umCm03aXC3