#OTD 17Oct 2002 INTEGRAL launched, observing most energetic objects of the Universe such as #blackholes & supernovae https://t.co/dSfVEXoZDY pic.twitter.com/pSBxcF65k0
— ESA Science (@esascience) October 17, 2016
Previous Post: Thomas Pesquet on Twitter
Next Post: Tim Peake on Twitter