Luna 9 became the 1st probe to soft-land on another world OTD in 1966. I'm a huge sucker for these petalled Luna lander designs…so pretty. http://pic.twitter.com/UbHfGuMRlY

— Becky Ferreira (@beckyferreira) February 3, 2017

from http://twitter.com/beckyferreira
on: February 03, 2017 at 05:17PM