This day in space · 5 September

It happened today.

One landmark in the archive for 5 September.

1977

Voyager 1 departs

Sixteen days after its twin, carrying the Golden Record and the grand tour's fast lane.

SEP

4 entries

5 Sep 1977

Voyager 1 departs

Sixteen days after its twin, carrying the Golden Record and the grand tour's fast lane.

12 Sep 1962

'We choose to go to the Moon'

Kennedy at Rice: not because it is easy, but because it is hard.

15 Sep 2017

Cassini's finale

Thirteen years at Saturn end with a deliberate dive into the planet, to keep its moons pristine.

26 Sep 2022

DART moves an asteroid

Humanity's first planetary-defense test shortens Dimorphos's orbit by half an hour.

Hand-curated · 82 landmarks and growing · dates in UTC · corrections welcome at About & Sources