Integrated Science Unit 1 Review

What does an astronomical unit measure?

• The distance between the Earth and the Sun.

• The distance between our solar system and the next.

• The distance between the sun and the moon.

• The distance between Jupiter and the Sun.

What does it mean if a star is 50 light years away?

• It's 50,000,000 km away.

• It takes 50 years for light from that star to reach Earth.

• The star is closer to us now than it was 50 years ago.

• The star is 50 years old.

The light from the Sun reaches Earth before it reaches Jupiter.

• True

• False

The Earth's radius is 500 times larger than the Sun's radius

• True

• False

Which of the following numbers is the largest?

• 10^12

• 10^6

• 10^4

• 10^-8

Which of the following planets is closest to the Sun?

• Venus

• Earth

• Neptune

• Mercury

Halley's Comet measures 1.1 x 10⁴ meters. The Rotten Egg Nebula measure 1.4 x 10¹⁶ meters. Which of the following statement is true?

• Halley's Comet is larger than the sun

• The Rotten Egg Nebula is larger than Halley's comet

• Halley's comet is larger than the Rotten Egg Nebula

• The Rotten Egg Nebula is smaller than Halley's Comet

On average, our Sun is considered to be one of the largest stars in the universe

• True

• False

Which of the following is responsible for discovering that our universe is expanding?

• The Hubble Telescope

• The James Webb Telescope

• NASA's Challenger Shuttle

• Apollo 13

Which of the following statements about the James Webb Telescope is true? (pick all that apply)

• James Webb Space Telescope is the biggest and most complex telescope that NASA has ever built

• The James Webb telescope is able see some of the very first galaxies that were born after the Big Bang.

• The James Webb Telescope collects infrared light

• All of the Above