In this month: October 2021
10th October 1846 Triton, the largest natural satellite of Neptune, is discovered by English astronomer William Lassell. The image of...
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Elizabeth Cocking
- Aug 31
- 3 min
In this month: September
9th September 1892 Amalthea, a moon of Jupiter, is discovered by Edward Emerson Barnard using the 36 inch (91 cm) refractor telescope at...
Elizabeth Cocking
- Jul 31
- 4 min
In this month: August 2021
15th August 1977 The Wow! signal is received by the Big Ear radio telescope at Ohio State University. The original record, preserved by...
Elizabeth Cocking
- Jun 30
- 2 min
In this month: July 2021
29th July 1851 The asteroid Eunomia is discovered by Italian astronomer Annibale de Gasparis. It is the 12th largest object in the main...
Elizabeth Cocking
- May 31
- 3 min
In this month: June 2021
IN THIS MONTH 22nd June 1633 The Roman Catholic Inquisition hands down its sentence and finds Italian astronomer Galileo Galilei guilty...
Elizabeth Cocking
- Apr 30
- 3 min
In this month: May 2021
15th May 1618 Johannes Kepler discovers the mathematical rule governing the orbits of our solar system’s planets. The image left is...
Elizabeth Cocking
- Mar 31
- 3 min
In this month: April
21st April 1702 Maria Kirch discovers a previously unknown comet becoming the first woman to make such a discovery. Dubbed the "Comet...
Elizabeth Cocking
- Feb 1
- 2 min
In this Month: February
4th February 1600 Tycho Brahe and Johannes Kepler meet for the first time near Prague. Kepler arrived at Tycho’s new observatory, Benatek...
Elizabeth Cocking
- Dec 31, 2020
- 3 min
In this month: January
Elizabeth Cocking continues this astronomical blog post sequence in 2021. Each month she looks back on astronomical happenings, and the...
Elizabeth Cocking
- Nov 30, 2020
- 2 min
In this month: December
23rd December 1672 Rhea, the second-largest moon of Saturn and the ninth-largest moon in the Solar System, is discovered by Giovanni...