The sun isn’t as big as we thought, so solar flares may erupt differently than we expected
NASA
Our Sun is fractionally smaller than it appears, which may alter our understanding of its internal structure and behavior.
Historically, astronomers have estimated the size of the Sun by measuring the part that emits light, called the photosphere. This is done during solar eclipse.
A different estimate of the Sun’s radius can be found by measuring the sound waves traveling through it. In the 1990s, astronomers did this using sound waves…
