#OTD #Huygens landing on Titan More behind the scenes info in @esaoperations #rocketscience blog https://t.co/rZ0iTupyNR pic.twitter.com/MZwZAPVPcV — ESA (@esa) January 14, 2017

#Huygens transmitted from Titan’s surface for ~72mins before contact lost w/ @CassiniSaturn. First colour view #OTD https://t.co/8NqXvMDHYm pic.twitter.com/hcet0wlS2F — ESA (@esa) January 14, 2017

A tense wait @esaoperations …then confirmation ithat #Huygens is alive on Titan! #OTD 14 Jan 2005 – Listen https://t.co/JawiRSzQcw pic.twitter.com/fqzEGyeeGL — ESA (@esa) January 14, 2017

Touchdown! Huygens probe lands on Saturn's moon Titan at 11:38 UT #OTD in 2005! #huygens https://t.co/TC0RelRYGM — ESA (@esa) January 14, 2017

@hastroparr those sinister looking bags are helmet covers when the suits are not in use — ESA (@esa) January 14, 2017

Images from yesterday's #spacewalk by @Thom_astro and @astro_kimbrough now in our gallery https://t.co/wT4ytrBRrl pic.twitter.com/9Fo3w4JvTW — ESA (@esa) January 14, 2017

This is what a spacewalk is: 400km of void under your feet https://t.co/n8DlOvgi6L #Proxima pic.twitter.com/aV4UugPwCr — Thomas Pesquet (@Thom_astro) January 14, 2017

#OTD 2005 We knew @CassiniSaturn could receive #Huygens signals because of a modest hero named Boris Smeds https://t.co/CuN7bjAlNu — ESA Operations (@esaoperations) January 14, 2017

A major milestone in solar system exploration: the 2005 descent of @ESA's Huygens probe to Saturn's moon Titan https://t.co/mptmspCMk4 pic.twitter.com/gRoU0MFvoR — CassiniSaturn (@CassiniSaturn) January 11, 2017

#OTD in 2005, at 09:05 UT, #Huygens entered Titan's atmosphere 1270 km above the moon's surface, its parachute deploying a few mins later pic.twitter.com/zpxXheCqHi — ESA Science (@esascience) January 14, […]