Space & astronomy · the experiment
Spot the white flares
Fifteen years of images of the Sun, 1,951 flares, every pixel followed one by one. Four questions, from beginner to expert, on flares once thought to be rare.
1 · The verdict2 · Small ones3 · Hiding place4 · Stars
1 · Say what the study concludes
Beginner
What does the study conclude about white-light flares?
2 · Work out the B-class rate
Of 547 B-class flares, 202 glowed in white light.
Intermediate
What percentage is that?
3 · Explain why they were missed
Expert
Why did these flares go unnoticed for so long?
4 · Extend the result to stars
Expert
What do the authors suggest about flares on other stars?
Flares spotted
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