January 24, 2019

Why does the sun rise and set?

It’s not the sun that soars across the sky. The Earth itself is rotating on its axis – one full rotation per day – and that […]
January 24, 2019

Will the sun ever burn out?

Yes, the sun will eventually burn out. But not for a long, long time. The sun has used up about half of its hydrogen fuel in […]
January 24, 2019

Why shouldn’t I look at the sun?

The ultraviolet (or UV) light given off by the sun is murder on your eyeballs. (Ever wonder why welders wear helmets? The intense heat of a […]
January 24, 2019

How can I avoid sun damage to my eyes?

Sun damage to eyes can occur anytime during the year, not just in the summertime, so be sure to wear UV-blocking sunglasses and broad-brimmed hats whenever you’re […]