Stellar aberration

This post is a bit more technical than usual and discusses stellar aberration, the apparent movement of stars as a result of the motion of the Earth.  It is an interesting case of the application of the scientific method.  Observations were made to test a scientific theory, but unexpected results were found, which in turn… Continue reading Stellar aberration

The darker mornings.

As I complete this post from my home in Manchester, England, it is 4:30 pm and already  dark outside. Many people think that it will continue to get dark earlier each day in the afternoon until we reach 21 December, the winter solstice. This, however, is not the case. The evenings in fact start to… Continue reading The darker mornings.

Geocentric Cosmology.

Today it is generally accepted as a scientific fact that the Earth is one of eight planets which revolve around the Sun, that the Sun is one of 400 billion or so stars in our Milky Way galaxy and that the Milky Way is one of hundreds of billions of galaxies in the observable Universe.… Continue reading Geocentric Cosmology.

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. The "Evening Star" Venus next to the Moon… 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