Question

Which word can be described as being ‘the degree of brightness of a star, as represented by a number on a logarithmic scale’?

Answer 1

To do so, astronomers calculate the

brightness of stars as they would appear if it were 32.6 light-years, or 10 parsecs from Earth. Another measure of brightness is luminosity, which is the power of a star the amount of energy (light) that a star emits from its surface