Special Perspectives

Quarks and the Cosmos

+ See all authors and affiliations

Science  05 Jan 2007:
Vol. 315, Issue 5808, pp. 59-61
DOI: 10.1126/science.1136276

You are currently viewing the abstract.

View Full Text


Cosmology is in the midst of a period of revolutionary discovery, propelled by bold ideas from particle physics and by technological advances from gigapixel charge-coupled device cameras to peta-scale computing. The basic features of the universe have now been determined: It is 13.7 billion years old, spatially flat, and expanding at an accelerating rate; it is composed of atoms (4%), exotic dark matter (20%), and dark energy (76%); and there is evidence that galaxies and other structures were seeded by quantum fluctuations. Although we know much about the universe, we understand far less. Poised to dramatically advance our understanding of both the universe and the laws that govern it, cosmology is on the verge of a golden age.

View Full Text