Question

Which of the following is the only safe way to observe the Sun without the use of a telescope and a solar filter?

Indirectly by projecting the image onto a surface.
Directly while wearing your sunglasses.
Directly with your naked eye as long as you don’t look at it too long.
Directly through a magnifying glass.

Answer 1

indirectly by projecting an image

Step-by-step explanation:

the gamma rays and radiation from the sun would damage your I while looking at the sun. however since the sun is a projected image it won't produce harmful gamma rays and radiation.