20:49 That same month, Linus Torvalds first posted to a Usenet news group about Linux, the new operating system kernel he had developed. The Space shuttle Atlantis, studied gamma rays, and
Columbia carried Space lab into orbit. NASA's Galileo became the first probe to visit an asteroid, and Space shuttle endeavor meant as a replacement for challenger made its maiden flight. In music, arts, and culture, some highlights include the release of the Nirvana album Never mind and the increasing popularity of alternative rock and grunge music, as well as hip hop and rap music, becoming much more mainstream in us popular music. An album by NWA peaked at number one on the Billboard 200. Freddie Mercury, lead singer of the band Queen, died of AIDS induced pneumonia on November 20, 491. And on October 3, 1992, singer songwriter Sinead O'Connor famously protested the Catholic Church's complicity in child sex abuse within the church by performing a cover of the Bob Marley song War, modified so the lyrics addressed child abuse, then tore up a photograph of Pope John Paul II, all on live tv during her guest spot on the show Saturday Night Live, which was hugely, hugely controversial. And she wasn't worried about her career, but is considered by a bunch of people to have basically shot her career in the proverbial foot.