University of Victoria

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New distant dwarf planet found beyond Neptune

11 July 2016 Astronomy Now

An international team of astronomers have discovered a new dwarf planet orbiting beyond Neptune. The object is roughly 435 miles in size, moving in a 700-year orbit that takes it more than 120 times further from the Sun than Earth. Designated 2015 RR245, it was found using the Canada-France-Hawaii Telescope on Maunakea, Hawaii.

News

Exiled stars explode far from home

5 June 2015 Astronomy Now

Hubble Space Telescope images confirm that three supernovae discovered several years ago exploded in the dark emptiness of intergalactic space — their nearest neighbours probably 300 light-years away — having been flung from their home galaxies millions or billions of years earlier.