Copernicus

In this post I'll talk about Nicolas Copernicus (1473 - 1543) and the heliocentric theory.  The move away from the prevailing Earth-centred theory of the Universe to the heliocentric theory represents one of the greatest advances in astronomy ever made. Nicolas Copernicus - Image from Wikimedia Commons Background - the need for a better theory… Continue reading Copernicus

The Evening Star-Venus

Anybody who has looked up into the western sky after sunset in the past month will have noticed a brilliant white object - the planet Venus,  sometimes called the Evening Star. It is brighter than any other planet and ten times brighter than the brightest star Sirius, also known as the Dog Star. The "Evening Star"… Continue reading The Evening Star-Venus

The Morning Star-Venus

Anybody who has been up early in the past month and looked at the eastern sky will have noticed a brilliant white object - the planet Venus,  sometimes called the Morning Star. It is much brighter than any other planet and is the third brightest object in the sky after the Sun and the Moon.… Continue reading The Morning Star-Venus