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November 1, 2019

27th November 1783

The first reference to black holes is mentioned by John Michell, an English natural philosopher, in a paper for the Philosophical Transactions of the Royal Society of London. He called them "dark stars". Michell suggested that there might be many "dark stars" in the universe, and today astronomers bel...

June 30, 2019

5th July 1687

The book Principia is published by Sir Isaac Newton. Written in Latin with the title Philosophiæ Naturalis Principia Mathematica (Mathematical Principles of Natural Philosophy) it is often referred to simply as the Principia. The book contains Newton's laws of motion, Newton's law of universal gravitation...

June 3, 2019

The long and short of it….. the orbital period of comets can range from long period comets like Comet McNaught, 92,700 years, to Comet Encke that zips around the Sun every 3.3 years.

Comet Hyakutake holds the record of having the longest tail, at a length of 560 million kilometres. This is almost double the size of the...

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March 31, 2020

February 3, 2020

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