Introduction
Measurement Overview
    Parallax Distances
    Star Sizes and Absolute Magnitudes
    Cepheid Distances
    Type 1a Supernovae Distances
    Redshift Velocities and Distances
    Age of the Stars in Globular Clusters
    The Oldest White Dwarfs
    The Cosmic Microwave Background
Conclusion

The universe began 13.7 billion years ago by expanding from a point. Patient observation by thousands of astronomers over many years, sometimes stretching back to the 1800s, has gathered an extensive extensive supporting evidence. Alternative theories have been considered and rejected. The Big Bang Model best fits the facts. These pages summarise the findings of eight observation programs.

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