Why do scientists believe that dark matter exists even though it cannot be seen?
A. We can observe its gravitational effects.
B. It is observed to emit light.
C. We can measure its mass.
A riiiiiiiiiiight? ^_^

Question

Why do scientists believe that dark matter exists even though it cannot be seen?
A. We can observe its gravitational effects.	
B. It is observed to emit light.	
C. We can measure its mass.
A riiiiiiiiiiight? ^_^

anonymous · Answer

i'm going to agree with you

anonymous · Answer

i'm going to say..
yay! :P lol

anonymous · Answer

haha, what class is this for?

anonymous · Answer

A

anonymous · Answer

some physics/chem summer course.

anonymous · Answer

i like these questions they are fun

anonymous · Answer

:D haha good :) I'll be asking them a lot today....looooooool

anonymous · Answer

well i will keep an eye out for them

anonymous · Answer

thanks :]