a: sunspot ~
b: first robin of spring
What:
"This sunspot is like the first robin of spring," said solar physicist Douglas Biesecker of NOAA's Space Weather Prediction Center. "In this case, it's an early omen of solar storms that will gradually increase over the next few years."
Useful?
Writer: Douglas Biesecker
LCC:
Where:
Date: Nov 30 2016 6:56 PM
# 10502 Critique Analogy