This talk will explore the discovery of asteroids and the various categories and types of asteroids within the solar system. From the discovery of the first asteroid, now a dwarf planet, in the early nineteenth century up to modern times there has been the discovery of over 800,000 asteroids. Many lie within the orbit of Mars and Jupiter but there are thousands that regularly cross the orbit of Earth and some that extend their orbits into the outer confines of the solar system.

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About the speaker: Roy Gunson

Born 1950. Retired in 2011 after 32 years at Sheffield Hallam University, prior working in various Research Associations. Been an amateur astronomer since age 10 or so. Interested in History, a recreational wargamer and an interest in genealogy and history. Have been giving talks on Astronomy and associated historical topics since retirement. Currently Programme Co-ordinator of Mexborough & Swinton Astronomical Society.