What is the North Star and how big is it in relation to our Sun?

Answer 1

Polaris is the nearest star to earths north pole direction.
It is Alpha of Ursa minor.aslo known as north star.

It is in the constellation of Ursa minor.Actually it is a triple star system but we consider the brightest polaris A.
Is 4.5 times mass of Sun and 37.5 times radius of Sun.It is a cephied variable.![enter image source here]![enter image source here] It is used as direction finder by travelers to find North.(

By signing up, you agree to our Terms of Service and Privacy Policy

Answer 2

Hailey Alvarez

The North Star, also known as Polaris, is a prominent star in the constellation Ursa Minor. It serves as a navigational aid because it remains nearly stationary in the sky while other stars appear to rotate around it. In terms of size, Polaris is much smaller than our Sun, with a radius approximately 4 times smaller and a luminosity about 2,500 times weaker.

By signing up, you agree to our Terms of Service and Privacy Policy

Answer from HIX Tutor

When evaluating a one-sided limit, you need to be careful when a quantity is approaching zero since its sign is different depending on which way it is approaching zero from. Let us look at some examples.