1781: Charles Messier catalogues M92. This cluster of hundreds of thousands of stars, located in the constellation of Hercules, has become an essential reference point in the deep sky.

1965: Humanity’s first step into the void. During 12 minutes of extreme tension, Alexei Leonov floated outside the Voskhod 2 spacecraft, ushering in the era of extravehicular activity (EVA).