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.

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Presentation transcript:

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 Earths.

A balance of forces

A balance of energy

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?

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