Question

It is safe for us to look at all stars except the Sun. When seen from Earth, why does the Sun appear so large and bright that we
must never look directly at it?
-0)
The Sun is closer than other stars.
The Sun is bigger than other stars.
The Sun spins faster than other stars.
D)
The Sun burns hotter than other stars.

Answer 1

Pick the first choice.

The next nearest star, outside our solar system, is more than 63 THOUSAND times as far from us as the Sun is, and ALL the others are farther away than that.

It's like the difference between a flashlight 1 inch from your eye and a flashlight 1 MILE from your eye.