Sunday, 16 March 2014

Astronomy Scrapbook Monday 17th March 2014

On This Day (1)
17th March 1846 death of  Friedrich Bessel



Bessel a German astronomer is best remembered for being the first person to work out the distance to a star. He discovered in 1838 the distance to 61 Cygni by using the parallax method.

On This Day (2)
17th March 1899 discovery of Saturn moon Phoebe



W H Pickering discovered Phoebe on the 17th March 1899 from photographic plates taken on 16th Aug 1898. The moon is roughly spherical with a diameter of 213 km. Phoebe was named after one of the original  female Titans or Titanesses  from Greek mythology



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