What Was The Star of Bethlehem?

One of the enduring symbols of Christmas and The Nativity is the star the wise men followed to greet the baby Jesus. The star of Bethlehem as it became to be known, has been researched extensively and there are several hypotheses as to which celestial body the Magi (Wise Men) followed to reach a stable … Continue reading What Was The Star of Bethlehem?

Will The Universe Expand Forever?

Will the Universe expand forever? A frequently asked question in the comments on the website. I touched on this in the past during the cosmology and dark energy topics covered in previous posts but it certainly deserves a post in its own right. Cosmology deals largely with the universe as a whole considering all the … Continue reading Will The Universe Expand Forever?

Absolute Cold

Winter is here and with that brings what we believe to be freezing cold weather. The freezing point of water and what we interpret to be freezing is 0 degrees. This isn't absolute cold as there are negative temperatures both in the Fahrenheit and degrees selsius scales. To get to absolute cold we need to … Continue reading Absolute Cold

Diamonds in The Sky

Diamonds are a girl’s best friend, or so I am told! Diamonds can tell us a lot about the formation of the Earth and other celestial bodies. Diamonds have been found all over the solar system. The planet Uranus contains such a high level of pressure that carbons are crushed. In some areas it is … Continue reading Diamonds in The Sky

Beautiful Infinity

For as long as I can remember, the concept of infinity has mesmerized me. Georg Cantor's diagonality proof that some infinities are bigger than others completely transformed my way of thinking. The idea that something truly infinite exists in nature underlines what physicists search for every day, to explore the never ending infinity no matter … Continue reading Beautiful Infinity

The Day The Earth Stands Still

A year is 365 days, one full orbit around the Sun. A day is one full turn on the Earth's rotational axis. So what would happen if the Earth's rotation just suddenly stopped?  If the Earth stood still suddenly, everything not attached to the crust of the Earth would just be swept up into the … Continue reading The Day The Earth Stands Still

The Edge of The Universe. 

Where is the edge of the universe? Most importantly, what happens if we try to get there? Let's state the obvious, surely there can be no edge to our universe if the universe is infinite. On the other hand, how can it be part of our universe if we can't interact with it? After all, … Continue reading The Edge of The Universe.