9 billion years ago 4 billion years ago Present

T I M E

Hubble witnesses a cosmic tug of war

Hubble has detected the presence of dark energy in the young Universe. Itappears that the cosmic "tug of war"between the pull of dark matter and thepush of dark energy began at least 9 billionyears ago, well before dark energy gainedthe upper hand and began accelerating the expansion of the Universe.

Hubble witnesses a cosmic tug of war

Hubble has detected the presence of dark energy in the young Universe. Itappears that the cosmic "tug of war"between the pull of dark matter and thepush of dark energy began at least 9 billionyears ago, well before dark energy gainedthe upper hand and began accelerating the expansion of the Universe.

9 billion years ago 4 billion years ago Present

T I M E

DARKENERGY

DARKMATTER

DARKMATTER

DARKMATTER

DARKENERGY

DARKENERGY