Understanding Communications Satellites
#NASA #NuSTAR is in orbit. http://www.aerospaceguide.net/telescope/nustar.html
It well extended its service life anyway... @ESA declared end of mission for Envisat on 9 May 2012. #space #satellite
New Satellite Lets Anyone Experiment in Space For a few hundred dollars, anyone can now buy time to run their own experiments aboard a small satellite set to launch next year.
Swiss ESA mission CHEOPS: CHaracterising ExOPlanets Satellite, focuses on studying planets around other stars