Exploring the Wonders of the Night Sky

What is the reason we see stars as they were thousands of years ago?

• The Earth's atmosphere distorts the light from stars.

• Stars are very close to Earth.

• The light from stars takes thousands of years to reach Earth.

• Stars emit light that travels instantly to Earth.

Why do stars appear to twinkle when observed from Earth?

• The Sun's light interferes with starlight.

• Stars change their brightness rapidly.

• The Earth's atmosphere causes an optical illusion.

• Stars are moving quickly across the sky.

How long does it take for sunlight to reach Earth?

• 8 seconds

• 8 hours

• 8 days

• 8 minutes

Which color of stars is the hottest?

• Red

• Yellow

• Orange

• Blue

What is a characteristic of red dwarf stars?

• They are the hottest stars in the sky.

• They are larger than the Sun.

• They burn their fuel quickly.

• They are the most common type of star.