Follow #WorldEnvironmentDay in Canada via @instagram – we're with @JustinTrudeau @ErikSolheim @ec_minister! https://t.co/Fueo3hUNC4 pic.twitter.com/3dyI6NWEYq — UN Environment (@UNEP) June 5, 2017

We caught a #Dragon! @AstroPeggy & @Astro2Fish use @Space_Station’s robotic arm to capture @SpaceX’s cargo vehicle: https://t.co/mzKW5uDsTi pic.twitter.com/g258TK6dcK — NASA (@NASA) June 5, 2017

Cameras focus on @SpaceX #Dragon as it holds 30 meters from station and goes into orbital night. https://t.co/qpyi2LM11l pic.twitter.com/LD0mmHxnqN — Intl. Space Station (@Space_Station) June 5, 2017

Video highlights of @Thom_astro return to Earth at the end of his six-month #Proxima mission on @Space_Station https://t.co/VqiRuTGWkP — ESA (@esa) June 5, 2017

We celebrate #WorldEnvironmentDay from #Canada's beautiful lakes here imaged in false-colour by #ProbaV: https://t.co/I1NdjtXZ8i #WithNature pic.twitter.com/p6B2JxAgEb — ESA EarthObservation (@ESA_EO) June 5, 2017

The #NewAstronauts will work with international partners like @esa @JAXA_en @roscosmos & @csa_asc. Learn more: https://t.co/n7jCX2SAtG pic.twitter.com/pvstz3pLYG — NASA Astronauts (@NASA_Astronauts) June 5, 2017

The slow waltz of two brown dwarfs — @ESA #Hubble Picture of the Week. https://t.co/5qubnb7GRi pic.twitter.com/TZPlg929pm — HUBBLE (@HUBBLE_space) June 5, 2017

Relive the best @TwitterMoments ⚡️ “Memories of #Proxima” by @Thom_astrohttps://t.co/mnf2sbjggr — ESA (@esa) June 5, 2017