What is an Equinox?

Equinoxes happen twice a year when our Sun crosses Earth’s Celestial Equator. This is when the centre of our Sun is on exactly the same plane as Earth’s equator. The…

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What is a Nebula?

A nebula is a gaseous region in space where new stars are born. In these regions, forces of gravity cause hydrogen and helium gas to increase in density. As the…

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