Final review · Put it all together
International observatories and solar probes 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. International ultraviolet explorer
10 points2. Iras
10 points3. Rosat
10 points4. Helios
10 points5. Ulysses
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.