Checked for you with project manager, he says: "The colour code shows how many times each ship has been observed during the observation period of 24 hours (red->yellow: fewer observations, […]

A glistening and ancient globular cluster named NGC 3201 — @ESA #Hubble Picture of the Week https://t.co/lRPONcydDi pic.twitter.com/bFAjRz5KlX — HUBBLE (@HUBBLE_space) January 22, 2018

Cloudy with a high chance of dust storms and gaseous outbursts – #Rosetta's daily battle with the elements at #Comet #67P features in the @esascience #IOTW https://t.co/T02TXyZbu1 pic.twitter.com/qXgI2gzgJG — ESA […]

Calling all #nightsky photographers! Have you entered the biggest international #astrophotography competition yet? #astrophoto2018 is open for entries. Find out more: https://t.co/3RCTLF7bAR pic.twitter.com/BRnLhnpc1b — Royal Observatory (@ROGAstronomers) January 21, 2018

We're celebrating 10 years of the European Columbus laboratory on 7 February – stay tuned and follow #Columbus10years https://t.co/Px0oVR6bit pic.twitter.com/vAzSpejT3g — ESA (@esa) January 21, 2018

#ICYMI This week's #EarthFromSpace features northern #Brazil’s Marajó island https://t.co/lrniF9Hy0f — ESA (@esa) January 21, 2018

Maybe this video from @Paxi_ESAKids is a good place to start? https://t.co/xPnKVU9qDp — ESA (@esa) January 21, 2018