Intro to Stars Review

The brightness of an object as it appears from earth

• relative brightness

• apparent brightness

• absolute brightness

• actual brightness

The brightness of an object that is calculated based on distance and its appearance from earth

• relative brightness

• apparent brightness

• absolute brightness

• emission brightness

The value of actual brightness of an object compared with our sun

• relative brightness

• apparent brightness

• absolute brightness

• continuous brightness

The full band of all colors (wavelengths) produced when light is refracted

• Emission Spectrum

• Absorption Spectrum

• Continuous Spectrum

• Atomic spectrum

Tags

NGSS.HS-PS4-4

When a material is heated or energized it gives off a(n)

• Continuous Spectrum

• Absorption Spectrum

• Emission Spectrum

• Atomic Spectrum

Tags

NGSS.HS-PS4-3

The spectrum that contains dark lines of missing wavelengths from passing through a cooler gas.

• Continuous Spectrum

• Absorption Spectrum

• Emission Spectrum

• Atomic Spectrum

Tags

NGSS.HS-PS4-3

NGSS.HS-PS4-4

The color of a star is directly related to its _______.

• size

• temperature

• shape

• brightness

What can scientists learn about a star from its spectrum?

• Its color

• Its brightness

• Its composition

• Its distance from earth

Tags

NGSS.HS-ESS1-2

NGSS.HS-PS4-3

According to the new system of classifying star brightness, what does a smaller magnitude number indicate?

• The star is dimmer.

• The star is of medium brightness.

• The star is brighter.

• The star's brightness cannot be determined.

The hottest stars appear what color?

• red

• yellow

• white

• blue