Apparent Brightness

In comparison to other stars in the sky, the Sun appears brighter than other stars because it is–

• Bigger

• Smaller

• Nearer

• Further

Tags

NGSS.MS-ESS1-1

NGSS.MS-ESS1-3

Alpha Centauri A is a star that is larger than the Sun, yet it appears much less bright. Which of the following is the best explanation for this?

• Alpha Centauri A is further away from Earth than the Sun.

• The smaller a star the brighter it appears

• The older the star the brighter it appears

• The larger the star always appears to be brighter

Tags

NGSS.MS-ESS1-3

The Sun is at the center of our Solar System. Which of the following best describes the Sun?

• A comet

• A satellite

• A planet

• A star

Tags

NGSS.MS-ESS1-1

How many of the stars, visible in the night sky, are closer to Earth than the Sun?

• 3

• 2

• 1

• 0

Sam and his friend George were looking at the stars. Sam pointed at one star and told George it was nearer than the other stars. What evidence supports his claim?

• The star is a different color to the other stars

• The star appears brighter than the other stars

• The star twinkles more than the other stars

• The star appears smaller than the other stars