Question

An amateur astronomer thinks he may have seen an unusual event in the sky. He needs to describe the location to a nearby observatory. What should he use to describe the event?

Answer 1

You can use the Astronomical Unit because it is a a unit of measurement equal to 149.6 million kilometers, the mean distance from the center of the earth to the center of the sun. I hope you are satisfied with my answer and feel free to ask for more

Answer 2

One astronomical unit is equal to the distance from Earth to the Sun. The second option among all the options given in the question is the correct option. The distance as calculated in the year 2012 by the International Astronomical Union was equal to 149597870700 meters. Astronomers like to use this unit for measuring the distances between planets and other solar bodies.