Early Universe

Early Universe

In seeking to understand the cosmology of the early Universe, scientists have been able to apply the current laws of physics to the extremely high-energy conditions of the primordial Universe, allowing us to explore the laws of physics at energy scales far greater than what is achievable in man-made particle accelerators. This new application of physics shows the deep connections between the fundamentals of the early Universe and the principles of theoretical particle physics.

KIPAC researchers are heavily focused on understanding the origin of the early Universe, a period in which very different rules of physics were at play in the cosmos than those that govern it now. It is believed that the Universe began with very high energies. To tease apart the forces that touched off the Universe’s expansion—some 14 billion years ago—KIPAC scientists are using an array of instruments such as telescopes and satellites to look as far away and as far back in time as possible.

Among the most important observational tools in KIPAC’s exploration of the early Universe are instruments that measure irregularities in the cosmic microwave background radiation (CMB), such as the WMAP and Planck satellites. By looking at the distribution of the irregularities in the CMB, for example, KIPAC researchers are attempting to reconstruct the quantum conditions of the early Universe and understand the laws governing its dynamics at the beginning. By looking back, scientists may also deduce the existence of new particles, forces or dimensions in existence during the Universe’s first moments and, in turn, gain a more comprehensive understanding of the laws of the present Universe.

Video Gallery

How Things in the Universe Came About and How They Ended Up Within Us

First Stars

Echoes of the Early Universe - Discover Our Universe