It is hard to picture how small we are in the universe. Life goes by and we are so entranced by our daily routine that most of us do not have the time to consider what lies beyond the sky. This was not the case, however, for Jan Oort. A Dutch astrophysicist, Jan’s life revolved … Continue reading The Oort Cloud →

A Lunar Eclipse producing a blood Moon. Credit: instagram: @anthonyduffphotography, as cited by ABC Blue sky - a familiar sight.Blue ocean - a sight to see.Red moon - a sight to behold.Let us ponder a few simple questions. Why is the water clear in our sink while blue in the ocean? Why is our sky blue during the day, … Continue reading Blue Sky, Blood Moon →

Light is fundamental to our existence. It is what allows us to see the world and the universe, and with it our eyes can distinguish all the colours of the rainbow. There is more to light than just these colours, however. “Light” is the word we use to describe what we see. We can see … Continue reading Light →

The night sky is often dominated by the Moon. Sometimes bright, other times only a sliver reveals itself. It orbits (goes around) the Earth every 27 days. It also rotates about its axis every 27 days, a long time compared to Earth which does so every 24 hours (one day). This property of orbiting at … Continue reading Tidal Locking →