13th June 1983 Pioneer 10 becomes the first human-made object to pass outside Pluto's orbit and leave the solar system. It was the...

2nd May 1780 Sir William Herschel discovers the first binary star, Xi Ursae Majoris, also named Alula Australis, in the constellation of...

15th April 1970 Humans travel the furthest in space when the Apollo 13 crew reach 400,171 km from Earth in an attempt to return to Earth...

25th March 1655 Titan, Saturn’s largest moon was discovered by Dutch astronomer Christiaan Huygens. Titan is considered the most...

13 February 1633 Italian astronomer Galileo Galilei arrived in Rome to face charges of heresy for advocating the Copernican theory, which...

Happy New Year! 24th January 1986 Voyager 2 encounters Uranus. At its closest the spacecraft came to within 81,500 kilometres of Uranus's...

6th December 1882 The Transit of Venus, the second and last transit of Venus of the 19th century, the first having taken place eight...

28 November 1967 The first pulsar is discovered by Jocelyn Bell (Image above taken 19 July 2018). Working as a research student at...

Its all about astronomy - 'In this month' blog posts feature significant events which happened and people born during the month who