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Stars quiz
Five questions on Stars. Answer all 5 to see your score. Questions are drawn from a bank of 15, so every attempt is different.
Question 1 of 5
The Sun's surface temperature is about:
Question 2 of 5
The Sun produces energy by:
Question 3 of 5
The Sun's corona is:
Question 4 of 5
Sunspots are:
Question 5 of 5
The solar cycle lasts about: