. On this day in 1728 – October 30th – Polish-Lithuanian astronomer and mathematician Martin Poczobut was born in Slomiank, Lithuania.
For over forty years, he was the director of the Vilnius Astronomical Observatory. The huge number of astronomical observations carried out by Poczobut includes those of comets and asteroids, the orbital motions of Mercury, and several solar and lunar eclipses.
Pluto is still considered a minor planet. Is that correct?
Pluto is now classified as a dwarf planet. The term minor planet has always referred to asteroids, though I don't think it's an official designation. Pluto was never considered asteroid - it went from planet to dwarf planet.
. On this day in 1919 – November 1st – Anglo-Austrian mathematician and cosmologist Hermann Bondi was born in Vienna, Austria.
Bondi was a distinguished academic and Fellow of the Royal Society. Among many positions outside academia, from 1967-1971, he served as Director-General of the European Space Research Organisation (ESRO) which later became the European Space Agency, (ESA).
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