You’re a Star….Literally

“You’re a star!”. A common expression emphatically bestowed upon athletes, actors/actresses, or even children. When we use the word “star” in this context, seldom do we consider the sun, or the trillions of stars that occupy our night sky. Fortunately or unfortunately, very few of us will become movie or sporting stars. Do not despair, …

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The Oort Cloud

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 …

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Blue Sky, Blood Moon

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, yet at sunset, our eyes are greeted …

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Light

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 …

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Tidal Locking

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 …

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