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3. Astronomy related 2023-07-25, 08-06 Yoshio Okamoto

1) "Distance ladder" of the distance to the stars and galaxies.
from the laboratory exercise in Astronomy by "Sky & Telescope"
i) Distance to "Barnard Star"
ii) Distance to "Sephide"
iii) Distance to "Galaxies" https://shopatsky.com/products/lab-exercises-in-astronomy-hubbles-law

2) Spectrum analysis
i) Rotation of Saturn's ring https://shopatsky.com/products/lab-exercises-in-astronomy-the-rotation-of-saturn-and-its-rings
ii) Spectrum type of stars https://shopatsky.com/products/lab-exercises-in-astronomy-spectral-classification
iii) HR diagram

3) Exploration of exoplanets (Recommended)
NASA's exercise for exoplanet
https://www.nasa.gov/sites/default/files/atoms/files/tt-apr-13-2011.pdf

Prepare tools: ruler, calculator