There was an eclipse of the sun on Friday 3 June 1239, at the sixth hour.http://astronomy.activeboard.com/t53918652/total-solar-eclipse-of-1239-june-03/On June 3, 1769, Captain James Cook, Charles Green and Daniel Solander observed the transit of Venus http://en.wikipedia.org/wiki/1769_Transit_of_Venus_observed_from_Tahiti
The Festival of Bellona was celebrated on June 3http://astronomy.activeboard.com/t43174723/festival-of-bellona/Mabo Day occurs annually on 3 June. http://en.wikipedia.org/wiki/Mabo_Day
On June 3, 1991, Mount Unzen volcano erupted violentlyhttp://astronomy.activeboard.com/t49430011/mount-unzen/On 3 June 1979, the Ixtoc I well suffered a blowout resulting in one of largest oil spills in history.http://astronomy.activeboard.com/t43174828/ixtoc-i-blowout-1979/
The Hale 200-inch f/3.3 reflecting telescope was dedicated on the afternoon of June 3, 1948.http://adsabs.harvard.edu/full/1948PASP...60..215R
Discoverer 3 was a US satellite launched on June 3, 1959http://nssdc.gsfc.nasa.gov/nmc/spacecraftDisplay.do?id=DISCOV3Gemini 4 (or Gemini IV) was the second manned space flight in NASA's Project Gemini, occurring in June 1965.http://astronomy.activeboard.com/t36258860/gemini-4-mission/Gemini 9A (officially Gemini IX-A) was a 1966 manned spaceflight in NASA's Gemini program. http://astronomy.activeboard.com/t43174794/gemini-9a-mission/Explorer 52 was a US satellite launched on June 3, 1974http://en.wikipedia.org/wiki/Explorer_52The Danish Heat 1X Tycho Brahe home-built rocket was successfully launched on the 3rd June 2011http://astronomy.activeboard.com/t37827591/heat-1x-tycho-brahe-rocket/The BADR 5 communications satellite was launched on the 3rd June, 2010.http://astronomy.activeboard.com/t36258682/badr-5-satellite/
Abhas Mitra (born June 3, 1955) is an Indian astrophysicist http://en.wikipedia.org/wiki/Abhas_MitraJames Hutton (3 June 1726 OS - 26 March 1797) was a Scottish physicianhttp://astronomy.activeboard.com/t49429923/james-hutton-1726-1797/David Gregory (3 June 1659 - 10 October 1708) was a Scottish mathematician and astronomer. http://en.wikipedia.org/wiki/David_Gregory_%28mathematician%29Paul Friedrich Ferdinand Kempf (June 3, 1856-February 16, 1920) was a German astronomer. http://en.wikipedia.org/wiki/Paul_KempfWulff-Dieter Heintz (3 June 1930 - 10 June 2006) was a German astronomerhttp://en.wikipedia.org/wiki/Wulff-Dieter_Heintz
Adelaide Ames (June 3, 1900 - June 26, 1932) was an astronomer and research assistant at Harvard University.http://en.wikipedia.org/wiki/Adelaide_Ames
Star Trek: "Turnabout Intruder" was the last original episode aired on June 3, 1969http://astronomy.activeboard.com/t7861703/star-trek/
NGC 5070 was discovered by American astronomer Lewis Swift on the 3rd June 1867.http://astronomy.activeboard.com/t57397911/ngc-5070/
NGC 5082 was discovered by John Herschel on the 3rd June 1834.http://astronomy.activeboard.com/t63362249/ngc-5082/
NGC 5090 was discovered by John Herschel on the 3rd June 1834http://astronomy.activeboard.com/t63362247/ngc-5090/
NGC 5091 was discovered by John Herschel on the 3rd June 1834.http://astronomy.activeboard.com/t63362250/ngc-5091/
NGC 6426 was discovered by William Herschel on the 3rd June 1786.http://astronomy.activeboard.com/t50080106/ngc-6426/Charles Messier was the first to discover the nebulosity of the Eagle Nebula on the 3rd June 1764.http://astronomy.activeboard.com/t8735124/the-eagle-nebula/Messier 18 was discovered by French astronomer Charles Messier on the 3rd June 1764.http://astronomy.activeboard.com/t57729008/messier-18/NGC 6723 was was discovered by Scottish astronomer James Dunlop on the 3rd June 1826.http://astronomy.activeboard.com/t57729145/ngc-6723/
The last Palomar Sky Survey II images were taken on June 3, 2000http://en.wikipedia.org/wiki/Jean_Mueller
Cassini captured a close view of Saturn's moon Pandora during the spacecraft's flyby on June 3, 2010.http://en.wikipedia.org/wiki/File:Pandora_(moon)_PIA_12690.png
Rings around the minor planet Chariklo were discovered during the observation of a stellar occultation on 3 June 2013http://en.wikipedia.org/wiki/10199_CharikloAsteroid (144) Vibilia was discovered by C. H. F. Peters on June 3, 1875, from the observatory at Hamilton Collegehttp://en.wikipedia.org/wiki/144_VibiliaAsteroid (145) Adeona was discovered by C. H. F. Peters on June 3, 1875, from the observatory at Hamilton Collegehttp://en.wikipedia.org/wiki/145_Adeona
On June 3, 2010, Anthony Wesley discovered a Jupiter impact eventhttp://astronomy.activeboard.com/t36283928/impact-on-jupiter/
The Chicago meteor of June 3, 1878http://astronomy.activeboard.com/t57730026/chicago-meteor-of-june-3-1878/
MeteoritesThe Angers (L6) meteorite fell in Pays de la Loire, France, on the 3rd June, 1822.http://astronomy.activeboard.com/t49429955/angers-meteorite/The Aumieres (L6) meteorite fell in Languedoc-Roussillon, France, on the 3rd June, 1842.http://astronomy.activeboard.com/t49429961/aumieres-meteorite/The Comayagua meteorite fell in Hondurason June 3, 2012http://astronomy.activeboard.com/t53917697/comayagua-meteorite/