What's the difference between dark matter and dark energy?

Question

Isn't E = mc^2 ?

Answer 1

you can produce dark energy with dark or (anti) matter it is similar to splitting an atom an extreme amount of energy comes from this

Answer 2

Dark matter is the invisible substance that is the source of the mysterious extra gravity we have in the universe.

Dark energy is the unknown energy that is said to be responsible for the energy that is expanding the universe at an accelerated rate.

Answer 3

"Well there is no such thing as dark energy as far as dark matter, its more or less a theory ( black holes ) nothing really has been found. Energy= mass X speed of light squared"

that dude has no idea what he's talking about... dark energy makes up about 70 something % of the universe.... scientist believe it is the energy driving the expansion of the universe...

dark matter, is dark matter.... just like we have energy and we have matter...dark matter makes up 20 something %.... funny thing is... dark matter is even more common then what we know as matter....

Answer 4

Well there is no such thing as dark energy as far as dark matter, its more or less a theory ( black holes ) nothing really has been found. Energy= mass X speed of light squared