If one observatory site is described as having better "seeing" than another observatory site, what is it that is better at the first site?
A) The sky is more transparent and there is less haze in the atmosphere at that site, providing brighter and sharper images.
B) The winds are lighter at the better site, thereby producing less telescope vibration.
C) There is less air turbulence at that site, causing less twinkling and blurring of the images.
D) There are more clear nights at that site.

Question

Quizplus · Accepted Answer

"Seeing" refers to the steadiness or turbulence of the Earth's atmosphere. Less air turbulence means less distortion of the light from stars and other celestial objects, resulting in clearer and sharper images.

If One Observatory Site Is Described as Having Better "Seeing