Expert Space Facts Quiz
A hard-level quiz that uncovers surprising details about the universe.
Quiz Questions
Answer all questions below and test your knowledge.
- 1
Which star currently holds the record for the greatest known radius?
- 2
In which year did the Mars Exploration Rover Spirit achieve the first successful rover landing on the Red Planet?
- 3
What element constitutes the bulk of Earth's inner core?
- 4
Approximately how many Earth years does the dwarf planet Eris take to complete one orbit around the Sun?
- 5
Which observatory produced the first confirmed direct image of an exoplanet?
- 6
What event, dated roughly 13.8 billion years ago, initiated the expansion of the cosmos?
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