Question

what is a dark energy?​

Answer 1

n physical cosmology and astronomy, dark energy is an unknown form of energy which is hypothesized to permeate all of space, tending to accelerate the expansion of the universe.

Hope it helps uh dear..!!

Answer 2

In physical cosmology and astronomy , dark energy is

an unknown for of energy

which is hypothesized to permeat all of space, terming to accelerate

the expansion of the universe........

the density of darkenergy is very low ( ~7 × 10 -30 [as power of 10]

g/cm cube) much less than the density of ordinary matter or dark matter within galaxies.

here is ur correct answer.

hope it will help you........... ☆ ☆ ☆ ☆