
On 12 April 1961, Yuri Gagarin completed a single 90-minute orbit of Earth aboard Vostok 1, and by November 2021 ESA astronaut Matthias Maurer had become the 600th human to leave the planet, a tally the ocean floor has never come close to matching
Yuri Gagarin's single 90-minute orbit on 12 April 1961 opened a ledger that reached 600 humans by November 2021 — more than twenty times the count of people who have ever reached the deepest point of the ocean.















