🎒🐰💭’On 31 May 2013, The asteroid 1998 QE2 and its moon make their closest approach to Earth for the next two centuries.’
🎒🐰💭’On 29 May 1919, Albert Einstein’s theory of general relativity is tested by Arthur Eddington and Andrew Claude de la Cherois Crommelin.’
🎒🐰💭’On 25 May 2008, NASA’s Phoenix lander lands in Green Valley region of Mars to search for environments suitable for water and microbial life.
🎒🐰💭’21 May 2010, JAXA, the Japan Aerospace Exploration Agency, launches the solar-sail spacecraft IKAROS aboard an H-IIA rocket. The vessel would make a Venus flyby late in the year..
🎒🐰💭’19 May 1961, Venera program: Venera 1 becomes the first man-made object to fly-by another planet by passing Venus.
🎒🐰💭’18 May 2005, A second photo from the Hubble Space Telescope confirms that Pluto has two additional moons, Nix and Hydra.
🎒🐰💭’17 May 1969, Venera program: Soviet Venera 6 begins its descent into the atmosphere of Venus, sending back atmospheric data before being crushed by pressure.
🎒🐰💭’14 May 1973, Skylab, the United States’ first space station, is launched.
🎒🐰💭’7 May 1992， The Space Shuttle Endeavour is launched on its first mission STS-49.
🎒🐰💭’On 5 May 1961, The Mercury program: Mercury-Redstone 3: Alan Shepard becomes the first American to travel into outer space, on a sub-orbital flight.