Astro 7n Unit 3 Part 2 Hr Diagram Quiz __full__ • Direct Link

A diagonal band from upper-left to lower-right. These stars burn hydrogen into helium.

If you get a question asking "Which star has the longest lifespan?" look for the star on the bottom-right (Cool, dim, low mass). Those M-type red dwarfs live for trillions of years. astro 7n unit 3 part 2 hr diagram quiz

For the , you will almost certainly be asked to identify stars based on their location. Most stars fall into four distinct categories. A diagonal band from upper-left to lower-right

Luminosity or Absolute Magnitude. This measures how much energy the star emits. It usually increases by powers of 10 as you go up. astro 7n unit 3 part 2 hr diagram quiz