Physical cosmology also tells you what sort of structures you expect to find in the Universe. You can start with an almost-homogeneous Universe, but one that has density ...

Does the universe have physical boundaries? This question was originally answered on Quora by Viktor T. Toth. ... This is one of the most commonly seen misunderstandings about physical cosmology.

In physical cosmology, dark energy is a hypothetical form of energy that permeates all of space and tends to increase the rate of expansion of the universe. Assuming the existence of dark energy ...

What's the geometry of our Universe, and how much dark energy is out there? By … ...

James Peebles' insights into physical cosmology have enriched the entire field of research and laid a foundation for the transformation of cosmology over the last fifty years, ...

It is Nobel prize week and four physicists have received a telephone call from Stockholm. In this installment of the Physics World Weekly podcast we chat about James Peebles, who shared one half of ...

Princeton University professor emeritus and 1962 graduate alumnus James Peebles has been awarded the 2019 Nobel Prize in Physics "for theoretical discoveries in physical cosmology." "This year's prize ...

Astrophysicists have long explored questions about the large-scale structure of the Universe through standard tools of physical cosmology. What Torquato and Philcox did was offer proof that a new ...

The camera already captured millions of galaxies and stars, as well as thousands of asteroids in initial test observations.