Respuesta :
An accelerating universe is currently the most accepted in light of the discovery of dark energy.
A hypothesized energy known as "dark energy" acts in opposition to gravity by exerting a repellent, negative pressure. It has been proposed to explain the observable characteristics of far-off type Ia supernovae, which reveal the universe is expanding at a faster rate than usual.
Saul Perlmutter, Brian Schmidt, and Adam Riess are the recipients of the 2011 Nobel Prize in Physics. They made the stunning conclusion that the universe's expansion is speeding up as a result of their observations of far-off stars exploding.
The distance measurements utilizing type Ia supernovae (SN Ia) for the galaxies at high redshift provide the most direct and compelling evidence for the expanding cosmos powered by dark energy.
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