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200th anniversary: In Parramatta, Australia, Scottish astronomer James Dunlop discovered Centaurus...

Wed, April 29, 2026

6 mo ago

Source

In 1826, In Parramatta, Australia, Scottish astronomer James Dunlop discovered Centaurus A (pictured), which was later recognised as one of the nearest radio galaxies to Earth.

Also on Apr 29, 2026

Source, method and history
Source
Wikipedia
How we know
Wikipedia "On this day" selected anniversary, 200 years (1826 to 2026).
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annual
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None recorded.