Our Place in the Universe By SMehta 150 Ptolemy described an Earth centred view of our Solar System May 6, 1364 Jagiellonian University established (Copernicus worked from here) Period: Feb 19, 1473 to May 24, 1543 Nicolaus Copernicus Period: May 8, 1480 to Apr 27, 1521 Ferdinand Magellan May 6, 1514 Copernicus described a Sun centerev view of our Solar System May 6, 1519 Ferdinand Magellan was the first person credited with circumnavigating the globe, proving that the Earth is spherical Period: Feb 15, 1564 to Jan 8, 1642 Galileo Galilei Period: Dec 27, 1571 to Nov 13, 1630 Johannes Kepler May 6, 1577 Tycho Brahe described comets as objects which orbit the sun in the same way as planets May 6, 1600 Giordano Bruno was burnt at the stake for suggesting that the universe contained alien worlds May 6, 1604 Kepler observed a Supernova May 6, 1608 Hans Lippershey built the earliest known telescope May 6, 1609 Galileo first used his telescope to observe the night sky, discovering the moons of Jupiter May 6, 1639 Jeremiah Horrocks was the first person to observe a transit of Venus across the Sun Period: Dec 25, 1642 to Mar 20, 1722 Issac Newton May 6, 1666 Newton first theorised about the laws of Gravity May 6, 1682 Sir Edmund Halley observed the transit of Halley's comet May 6, 1750 James Gregory and Issac Newton estimated the distance to the nearest stars as hundreds of times further away than the Sun May 6, 1759 The return of Halley's comet at the time predicted by Newton and Halley confirmed the nature of cometary orbits May 6, 1781 William Herschel announced the discovery of the planet Uranus May 6, 1801 A new planet (Ceres) was discovered but was later found to be the first Asteroid ever discovered May 6, 1820 Antarctica was first officially sighted May 6, 1838 Friedrich Bessel proved that the stars are a vast distance apart May 6, 1859 Charles Darwin published The Origin of Species, describing the process of evolution May 6, 1905 Einstein first published his theories about the universe May 6, 1917 The largest telescope to date observed hundreds of different galaxies May 6, 1919 Edwin Hubble observed individual stars in another galaxy using a telescope May 6, 1920 Harwin Shapely proved that our Solar System lies at the edge of the Milky Way, not at the centre May 6, 1929 Edwin Hubble announced that the universe is exapnding, leading to the theory of the Big Bang Period: Aug 5, 1930 to May 8, 2011 Neil Armstrong Period: Mar 9, 1934 to Mar 27, 1968 Yuri Gagarin May 6, 1949 Fred Hoyle introduced the phrase 'Big Bang' May 6, 1957 The satellite Sputnik was launched giving birth to the space age May 6, 1961 Yuri Gagarin became the first man in space May 6, 1968 The crew of Apollo 8 took the first images of Earthrise Jul 20, 1969 Neil Armstrong and Buzz Aldrin became the first two people to step foot upon the Moon May 6, 1972 Bernard Oliver proposed that there could be thousands of civilisations in the universe May 6, 1990 The Hubble Space Telescope was launched capturing images of a larger universe than ever seen before May 6, 1995 Queloz and Mayor proved the existence of a planet orbiting another star Period: May 8, 2000 to 170 Ptolemy May 6, 2001 Mars Odyssey began its journey to Mars Mar 2, 2022 Another galaxy discovered (Andromeda)
