This is something Newton wouldn’t have thought of. When Bob Kirshner arrived at Harvard from the University of Michigan, he was already a world expert on supernovae and got people there interested in using supernovae to measure distances.
As the universe expands, dark energy stays at nearly constant energy density and, as the matter in the universe thins out, the dark energy begins to dominate.
Botner: I can start and maybe Professor Brink can fill in.
So, all the observation, even the observation which are more recent than the ones which are winning the prize today, are consistent in our understanding of the cosmology of the universe.
Study of the cluster has revealed secrets about how dark energy shapes the universe. You will receive a verification email shortly.There was a problem. Schmidt: Well, it's 9 o'clock at night tonight, so I think I will wander around and at some point try to go to sleep; we'll see how successful we are at that
We believe that sometimes when it has a companion, it can pull matter off the companion increasing its own mass. So he added a term to the curvature side of the equation called the The Friedmann big bang model was triumphant. The expansion of the universe was discovered already in the 1920s. © 1996 - 2019 National Geographic Society. The 2011 Nobel Prize in Physics has been awarded to Adam Riess, Brian Schmidt, and Saul Perlmutter for their discovery of the accelerating expansion of the universe. If the density were above a critical density, the universe would continue slowing down in its expansion due to the gravitational attraction of the galaxies for each other, and the whole universe would collapse in a big crunch at some future time. In 1981, Alan Guth proposed a theory of inflation to explain this. "For many, it changed their research agenda. Schmidt: I am and thanks to the Worldwide Web, I can actually see you guys as well
He liked the idea of a static universe (one that neither expands nor contracts)–but he found that his equations would not produce one. This is a hot research topic and the hottest candidate is what is named dark energy. The expansion rate depends on the energy content. The fate of the universe depends on the nature of dark energy.
I guess it's one of these things that you, you know, I guess occasionally people mention it, but you know, I guess it's one of these things, you just don't think it's probably ever going to happen.
Normark: Do I have some more questions to Professor Schmidt. The Nobel press release emphasized this–saying if things continue this way the world will end not in fire but in ice.
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