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Parallax
Motion of stars
Measuring the distance to a star using standard candles
A telescope is a time machine
The furthest object you can see with the unaided eye
Looking beyond the Milky Way
How many galaxies are in the visible universe?
Each galaxy contains 100 billion stars
The visible universe stretches around 13 billion light years from the Earth
Conclusion
Introduction
1. The Planck Era: First Ten-Tredecillionth Of A Second
2. Grand Unification: First Undecillionth of A Second
3. Inflation: First Picosecond
4. The Higgs and Mass: First Billionth of a Second
5. Fine Tuning, Protons, Neutrons and Antimatter: First Millionth of a Second
6. Neutrinos and Primordial Black Holes: First Second
7. Big Bang Nucleosynthesis: First Minute
8. The First Molecule: First 100,000 Years
9. First Atoms, First Light: First 380,000 Years
10: Dark Matter and Dark Energy: First Million Years