- May 11, 2022
- 1 min
In this month - October
12 October 1915 Scottish born astronomer Robert Innes announced the discovery of the nearest star to our Sun, Proxima Centauri at a...
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Elizabeth Cocking
- Jul 31, 2022
- 4 min
In this month: August 2022
13th August 1898 The asteroid Eros is discovered by German astronomer Gustav Witt. With an approximate diameter of 16.8 kilometres and...
Elizabeth Cocking
- Apr 30, 2022
- 4 min
In this month: May 2022
Historical astronomical events, and people who were born this month and have influenced our understanding of the cosmos. 18th May 1991...
Elizabeth Cocking
- Feb 28, 2022
- 3 min
In this month: March 2022
5th March 1616 On this day in 1616 the Roman Catholic Church adds "" (On the Revolutions of the Heavenly Spheres) by Nicolaus...
Elizabeth Cocking
- Jan 31, 2022
- 4 min
In this month: February 2022
Astronomical happenings from the past and the birthdays of astronomers past and present. 19th February 1787 The first observation is...
Elizabeth Cocking
- Jul 31, 2021
- 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
- Dec 31, 2020
- 3 min
In this month: January
Happy New Year! Elizabeth Cocking continues this astronomical blog post sequence in 2023. Each month she looks back on astronomical...
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...
Elizabeth Cocking
- Sep 30, 2020
- 3 min
In this month: October
NASA becomes operational (1958) ; Luna 3 photographs the far side of the Moon (1959) : the Parker solar probe approaches the Sun (2018)
Elizabeth Cocking
- Dec 31, 2019
- 2 min
In this month: January
7 January 1610 Galileo discovers four moons orbiting the planet Jupiter. Looking at what he thought were a group of stars, he noted the...
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