RT @ESA_EO: Hosting an array of sensors to monitor Earth’s oceans and land, #sentinel3 is now fully formed http://t.co/sgDoYGhQti' target='_blank' rel='nofollow'>http://t.co/sgDoYGhQti http://t.…
RT @NASAWebbTelescp: How does gravity (or lack of it) affect #JWST's instruments? And how do we test this? http://t.co/W4SPvNSX91' target='_blank' rel='nofollow'>http://t.co/W4SPvNSX91 http://t.…