How to find the star Sirius? a sun behind the sun…
Sirius is the brightest star in the Earth’s night sky, it’s actually a star system 8.7 light years distant. It is about twice as massive as the Sun and 25 times more luminous. It’s so bright that it can even be seen during the day in some areas.
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By Hubble European Space Agency. Akira Fujii [Public domain], via Wikimedia Commons
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By Hubble European Space Agency Credit: Akira Fujii Public domain via Wikimedia Commons
Bright stars are important for navigation, they act as a stellar compass to assist mariners and pilots in charting courses to particular destinations. They also serve as latitude markers.