In August 2016, scientists announced the discovery of an exoplanet orbiting the red dwarf Proxima Centauri

In August 2016, scientists announced the discovery of an exoplanet orbiting the red dwarf Proxima Centauri, the closest star to the Sun. It was named Proxima Centauri b (or simply Proxima b). Is it possible to use the North Star to determine the direction to the north on this planet? Justify the answer.

The Polar Star (α Ursa Minor) is a landmark on Earth, since at this astronomical time the axis of rotation of our planet is directed to it. More precisely, it is located near a point (called the North Pole of the world) lying on the continuation of the Earth’s axis of rotation. This explains its immobility in the sky and the possibility of using it to determine the sides of the horizon. The axis of rotation of the Proxima is possibly oriented differently, and then the Pole Star (α Ursa Minor) cannot be used there as a reference point.

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