Star Brightness

What happens to the brightness of a star as distance decreases?

• more bright

• less bright

• no change

Why do the stars in the night sky appear less bright than the Sun?

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Tags

NGSS.MS-ESS1-1

What happens to the brightness of a star as distance increases?

• more bright

• less bright

• no change

How can you determine the distance of a star from where you are located on Earth?

• Its color

• Its size

• Its brightness

• Its shape

The bigger the size of star... (select all that apply)

• The more light it has or gives off.

• The closer it is.

• The more popular it is.

Tags

NGSS.MS-ESS1-1

NGSS.MS-ESS1-2

True or False: Stars of different sizes can give off the same amount of light/brightness.

• True

• False

What does the Hertzsprung-Russell Diagram graph?

• A star's absolute brightness and temperature

• A star's apparent and true brightness

• A star's distance and temperature

• A star's distance and apparent brightness

What is the primary factor that determines a star's brightness as seen from Earth?

• Distance from Earth

• Star's age

• Star's color

• Star's size

Which unit is commonly used to measure the brightness of stars?

• Candela

• Lumen

• Magnitude

• Watt

What is the term for the apparent brightness of a star as observed from Earth?

• Absolute magnitude

• Apparent magnitude

• Luminosity

• Radiance