Chapter 27.1
Characteristics of stars
Our Sun
•
Our Star
• The Sun is a self-luminous ball of gas held together by its own gravity and powered by thermonuclear fusion in its core.
• Our Sun is a typical star among the various stars in the galaxy, average in mass, size and temperature.
• It has a radius of 109 Earths and a mass of 330000 Earths.
A balance of forces
A balance of energy
The Spectrum
The Spectrum
How to Make a Rainbow
The Types of Spectra
The Spectra of the Sun
What is the difference between heat and temperature?
• Heat & Temperature• Heat vs. Temperature
How does emitted light change as an object gets hotter?
The simplest and most common elements in the universe.
What color are you?
