Fact 1: Looking at bright objects has a negative impact on the eyes.

Fact 2: Most of the bright objects are stars.

Given the two facts above, answer the question "What impact does looking at stars have?" with the following options: 
- It expands
 - ligt
 - an image
 - Dilution
 - heat
 - forces
 - observe it
 - negative


 

        negative 