The 'Ulysses' spacecraft flew by Jupiter 8 February 1992 .
You would need to prove that extraterrestrials exist before we can speculate on what type of spacecraft they have invented.
None. Mercury was discovered before spacecraft were invented.
NASA
Ulysses S. Grant.
It was Odysseus or Ulysses
a famous mann named Robert Goddard
i would say 1957 - sputnik.
Star wars ha ha
The Space craft was invented to enable man to explore the outer planets and galaxy's.
Alexander Graham Bell. He invented the telegram and telephone.
Pioneer 10 1973; Voyager 1 and Voyager 2 1979; The Galileo spacecraft 1989; Ulysses 1992