Question

The total amount of energy and mass in the universe is _____.



always changing

slowly increasing

constant

slowly decreasing

Answer 1

@KendrickLamar2014

Answer 2

its the 3rd right?

Answer 3

No, it's always increasing.

Answer 4

I think its Constant??

Answer 5

Since the universe is expanding (and accelerating at that), the state of the universe today is different than it was yesterday and will be tomorrow, hence energy conservation cannot be established for the whole universe.

Answer 6

ok thnx

Answer 7

It's a bit more complex. It has to do with dark energy and relativity.

Read this for more information: http://blogs.discovermagazine.com/cosmicvariance/2010/02/22/energy-is-not-conserved/

Answer 8

Im 100% sure its Constant

Answer 9

You're 100% wrong, KendrickLamar.

Answer 10

KendrickLamar is right

Answer 11

hhelpplzzzz: Not according to modern physicists. You should tell your physics teacher, or whomeever gave you this test that according to modern physics and relativity, due to dark energy - the total amount of energy is not constant.