In new research, found that there was a good correlation between the flicker of a star and its surface gravity.
Sounding Older
We can determine the age of a star by the way sounds move within it.
Give or Take
Think on this for just a moment. Kepler-93 is 315 light years away, and we know the diameter of the star to within the width of the Earth. We know the diameter of one of its planets to within 120 kilometers. That’s a distance you could travel in a bit more than an hour on an interstate highway. Give or take.