The 15 first

By lesly_perez

  • First impact into Mars

  • Closest flyby of the sun

  • Ultraviolet orbital observatory

  • First untethered spacewalk

  • Ultraviolet to gamma ray spectrum orbital observatory

  • First landing on an asteroid

  • record the longest duration spacefight

  • First mission into the atmosphere of a gas giant

  • First landing on an asteroid

  • first sample returned from come

  • first soft landing on titan

  • first sample returned from come

  • first orbit in mercury

  • first manmade probe to land a coment

  • First orbital gamma ray observatory