Herttzsprung-Russel Diagram

Why is it important to astronomy?
It explain the evolution of a star. It is important because we need to know when a star is going to die.

What are the two qualities of a star and how does the diagram do this?
Two qualities is the temperature and sizes of the star. They measure the temperature by kelvins.

Where on the diagram would our sun be?
6,000 Kelvins and 1 Solar Unit

Sizes And Distances in Space

Earth is far in space
Canis Majoris is far
Getting there is long

Earth is very far in space from other planets. Canis majoris is very far from other planets including earth.So how for would it take to get from earth to canis majoris. Very long