Final review · Put it all together
How our picture of the universe changed challenge
5 questions · About 8 minutes · Learn at your own pace
Your goalApply the course to five new situations. Use the readings and explain which evidence supports your decisions.
Challenge points — / 100
10 per answer + 50 for completing the challenge0 of 5 answered correctly
Use what you learned across the course. Revisit a lesson whenever you need it; your answers will wait here. Retries never cost points.
1. Geocentric and heliocentric models
10 points2. Telescopic evidence and planetary motion
10 points3. Photography and spectroscopy
10 points4. Measuring stars and other galaxies
10 points5. Expansion and the development of modern cosmology
10 pointsThe connections you made
Bring the whole story together.
Answer all 5 questions correctly to earn the 50-point completion bonus. Your correct answers are kept as you go.
Use Practice again to retry any completed question without changing your result.