Is looking at an eclipse worse than looking at the sun?
39274
Are dangerous rays emitted during Solar Eclipse?
141562
Why do night sky appear red when it is cloudy?
104084
Area Light vs. Emissive Polygon
92068
How does the eye perceive a real image?
63030
Is Earth's orbit around the Sun affected by the ~8 minutes light delay?
100643
Does darker skin color make it easier to live under sun?
51210
Does the Holy Nimbus emanate actual sunlight?
4699
Is median fairer than mean?
73874
Does the quality of a UV filter make a difference when used with a cheap lens?
22385
Why is the atmosphere transparent in the visible spectrum?
5457
Why do shadows from the sun join each other when near enough?
111402
Dissipating light pollution
65402
Squinting at street lights
155392
When deriving $d\sin\theta=n\lambda$ are the light rays approximately parallel or actually parallel?
61765
What are these rays that appear in photograph of sun?
126119
Focus in night photography
83316
How can I achieve more clarity in my photos of the moon?