Kavli Institute for Particle Astrophysics & Cosmology (KIPAC)

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Symmetry: Cosmic Inflation

Cosmic inflation refers to a period of rapid, accelerated expansion that scientists think took place about 14 billion years ago.

Stalking Gamma Rays from the Ground

Scientists from the Kavli Institute for Particle Astrophysics and Cosmology are helping build cameras for the Cherenkov Telescope Array, an advanced, ground-based gamma-ray observatory.

Physicists Find Evidence of Cosmic Inflation

Researchers from the BICEP2 collaboration have announced the first direct evidence supporting the theory of cosmic inflation. Their data also represent the first images of gravitational waves, or ripples in space-time. These waves have been described as the "first tremors of the Big Bang."