What is better than a total eclipse? A total eclipse with a supersonic plane! (Credit: Arthur Gibson, 1973) #avgeek #SolarEclipse2017 pic.twitter.com/5gkjnr2sID — Thomas Pesquet (@Thom_astro) August 21, 2017

Partial #solareclipse growing for our Casper-based #Eclipse2017 team! #Totality in about an hour. #CesarEclipse2017https://t.co/20xbNo0BV4 pic.twitter.com/ByHnvxUNv5 — ESA Science (@esascience) August 21, 2017

First contact for #Eclipse2017 team in Casper, Wyoming at ~1624GMT! Partial #solareclipse begins! #CesarEclipse2017 https://t.co/dUdN0HRusD pic.twitter.com/SJ9XJwhnp1 — ESA Science (@esascience) August 21, 2017

400 mm lens with solar filter installed on the camera… #Eclipse2017, bring it on! // Obiettivo 400 mm con filtro solare… Ci siamo quasi! pic.twitter.com/80mscYG9GZ — Paolo Nespoli (@astro_paolo) August […]

There's a group here from @esa livestreaming #Eclipse2017 at https://t.co/L6UrsSEBR3 – check it out to see something like what we're seeing — Lisa Grossman (@astrolisa) August 21, 2017

Join our #eclipse2017 solar experts & astronomers live at 1800 cest: https://t.co/Ahy1ARY61a — ESA Science (@esascience) August 21, 2017

Meet astronaut @astro_duque @edenproject Aug 29 and hear about his amazing journeys into space @esa @esaoperations: https://t.co/8ZIk5QK9G8 pic.twitter.com/CseXGVMYpk — Eden Project Media (@eden_media_team) August 21, 2017

Latest solar corona images from SOHO (taken ~1230 GMT today). More via: https://t.co/XI2KGl5VO0 #solareclipse #eclipse2017 #getready pic.twitter.com/XY9DFCVQaD — ESA Science (@esascience) August 21, 2017

@diegoportasa @astro_paolo @esa_eo @esa_italia @asi_spazio — ESA (@esa) August 21, 2017

If you're outside #UnitedStates, you can still watch #Eclipse2017 LIVE with @NASA from 18:00 CEST (16:00 GMT) https://t.co/y6aH3mCiHT — ESA (@esa) August 21, 2017