Observing Stars and Radiant Energy

Miss Reeves looks at the sky and only sees 10 stars. When she looks through a telescope, she sees hundreds more. Why?

• The telescope allows her to see more stars that are not visible without it.
• The telescope is broken and shows fewer stars.
• She is only looking at a small part of the sky.
• The stars are too far away to see without a telescope.

What did Miss Reeves learn about the stars from observing them through a telescope?

• The stars are made of gas and do not put off light.

• The stars are only visible during the day.
• The stars are all the same color and brightness.
• Stars have different brightness and are different sizes.

What is radiant energy?

• Radiant energy is the energy of sound waves.
• Radiant energy is caused by the moon.

• Radiant energy is the heat and light energy of the Sun

• Radiant energy is the energy of gravity

Tags

NGSS.MS-ESS1-1

NGSS.MS-ESS2-4

Why does our Sun appear so large and bright?

• The Sun appears large and bright due to its closeness to Earth.

• The Sun's size is due to gravity pulling on Earth.

• The Sun appears bright due to its color being yellow.
• The Sun is large because it is a planet.

Why do stars shine brightly?

• Stars shine brightly because they are hot balls of glowing gas.

• Stars shine due to their size.

• Stars are lit by nearby planets.

• Stars shine because of their color and size.