This Weekend in History on September 21 and 22: Lincoln Issues Preliminary Emancipation Proclamation
September 21 and 22 are days marked by significant milestones and fascinating events across various domains around the world. One of the most profound events in recent history occurred on September 21, 2003, when the Galileo spacecraft ended its mission by crashing into Jupiter. Launched by NASA in 1989, Galileo was a pioneering mission that provided humanity with unprecedented insights into the largest planet in our solar system and its moons. The spacecraft's deliberate plunge into Jupiter was designed to prevent any potential contamination of the planet's moons, which may harbor conditions suitable for life. During its mission, Galileo made numerous close flybys of Jupiter's moons, including Europa, which is believed to have a subsurface ocean beneath its icy crust. This mission significantly advanced our understanding of the Jovian system and laid the groundwork for future explorations of outer space. Going further back in time, on September 21, 1937, J.R.R. Tolkien's novel