Chapter 4 Stars & Galaxies

A large, spherical mass of gas that gives off light and other types of radiation

• Star

• Constellation

• Universe

• Galaxy

Patterns of stars

• Star

• Constellation

• Universe

• Galaxy

The space that contains all known matter and energy.

• Star

• Constellation

• Universe

• Galaxy

A large group of stars, gas, and dust held together by gravity.

• Star

• Constellation

• Universe

• Galaxy

The measure of the amount of light a star actually gives off

• Absolute Magnitude

• Apparent Magnitude

• Parallax

• Light-year

A measure of the amount of light received on Earth from a star, what it appears like

• Absolute Magnitude

• Apparent Magnitude

• Parallax

• Light-year

How scientists measure the distance of stars

• Absolute Magnitude

• Apparent Magnitude

• Parallax

• Light-year

The distance that light travels in one year.

• Absolute Magnitude

• Apparent Magnitude

• Parallax

• Light-year

The lowest layer of the Sun’s atmosphere and the layer from which light is given off.

• Photosphere

• Chromosphere

• Corona

• Sunspots

• Solar Flares

The layer of the Sun above the photosphere.

• Photosphere

• Chromosphere

• Corona

• Sunspots

• Solar Flares