1. When did Voyager 2 visit Uranus?
1) 1977
2) 1982
3) 1986
4) 1989
2. What percentage of time do the solar wind conditions observed during Voyager 2’s visit occur?
1) 10%
2) 7%
3) 2%
4) 4%
3. What was discovered about Uranus’s magnetosphere during Voyager 2’s visit?
1) It was extremely active
2) It was plasma-depleted
3) It was nonexistent
4) It was expanding
4. Which event occurred just before Voyager 2’s arrival at Uranus?
1) Lunar eclipse
2) Solar wind event
3) Meteor shower
4) Aurora formation
5. How many major moons of Uranus are mentioned in the text?
1) Three
2) Four
3) Five
4) Six
6. When was Voyager 2 launched?
1) 1977
2) 1976
3) 1978
4) 1979
7. Which organization prioritized Uranus for future exploration in their 2023 survey?
1) NASA
2) ESA
3) The National Academies
4) ISRO
8. What did the solar wind do to Uranus’s magnetosphere?
1) Expanded it
2) Compressed it
3) Destroyed it
4) Energized it
9. What type of planet is Uranus classified as?
1) Gas giant
2) Ice giant
3) Terrestrial planet
4) Dwarf planet
10. What did Voyager 2 discover about Uranus’s radiation belts?
1) They were weak
2) They were absent
3) They were intense
4) They were unstable
11. What does solar wind consist of?
1) Water particles
2) Charged particles
3) Light waves
4) Sound waves
12. What was the previous assumption about Uranus’s moons?
1) They were active
2) They were growing
3) They were geologically inactive
4) They were shrinking
13. Which planets did Voyager 2 visit?
1) Mars, Jupiter, Saturn
2) Jupiter, Saturn, Neptune
3) Saturn, Uranus, Neptune
4) Jupiter, Saturn, Uranus, Neptune
14. What protects planets from solar wind and cosmic radiation?
1) Atmosphere
2) Magnetosphere
3) Gravity
4) Ozone layer
15. What was the dual effect of the solar wind at Uranus?
1) Heated atmosphere and cooled core
2) Expelled plasma and intensified radiation belts
3) Created storms and calmed winds
4) Expanded and contracted atmosphere
16. What did the reanalysis of Voyager 2 data reveal?
1) New moons
2) Surface features
3) Solar wind event timing
4) Atmospheric composition
17. Why is revisiting historical data important?
1) To correct errors
2) To verify findings
3) To yield fresh vital information
4) To compare with new data
18. What was Voyager 2’s main contribution to Uranus research?
1) Temperature measurements
2) First close-up images
3) Atmospheric samples
4) Surface mapping
19. What new speculation exists about Uranus’s moons?
1) They have water
2) They are growing
3) They might release ions into space
4) They are shrinking
20. What makes Uranus’s magnetosphere unique among gas giants?
1) Its size
2) Its strength
3) Its anomalous nature
4) Its stability
21. What role does the magnetosphere play in planetary protection?
1) Controls temperature
2) Shields from solar wind
3) Maintains atmosphere
4) Regulates gravity
22. What did the solar wind event do to the radiation belts?
1) Destroyed them
2) Injected electrons
3) Weakened them
4) Eliminated them
23. How will the new findings affect future missions?
2) Delay them
3) Guide spacecraft design and objectives
4) Reduce their scope
24. What was unique about the timing of Voyager 2’s encounter?
1) Seasonal change
2) Rare magnetospheric condition
3) Planetary alignment
4) Solar eclipse
25. What aspect of Uranus still requires more research?
1) Surface features
2) Atmospheric composition
3) Dynamic magnetosphere
4) Core temperature