Http://arxiv.org/pdf /0803.0982.pdf

0803.0982.pdf
Preview of http://arxiv.org/pdf /0803.0982.pdf
🔗 Source: arxiv.org
📊 Size: 1.32 MB
📄 Pages: 53 pages
⬇️ Downloads: 69

Summary

The discovery that the expansion of the Universe is accelerating, made ten years ago, has posed one of the most profound mysteries in science, with deep connections to astrophysics and particle physics. The Universe is composed of 4% baryons, 20% dark matter, and 76% dark energy, with cosmic acceleration possibly arising from dark energy or signaling a breakdown of General Relativity on cosmological scales. Observational evidence from supernovae, galaxy clusters, large-scale structure, and the cosmic microwave background has confirmed the acceleration, but the physical origin remains a mystery, with two possibilities: dark energy with large negative pressure or a new theory of gravity.

Description

The discovery that the expansion of the Universe is accelerating, made ten years ago, has posed one of the most profound mysteries in science, with deep...

Technical Information

  • File Format: PDF
  • File Size: 1.32 MB
  • Pages: 53
  • Language: EN
  • Total Downloads: 69
  • Last Updated: 7 days ago

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