Objectives: UnderstandAlbert Einstein's
Contribution to Astrophysics
Opening Data:
Weather Check
Tonight's Seeing & Cloud Cover
Maybe we don't need to worry about any of this!End of the world tomorrow (video series)
Other world's end predictions
The Special Theory of Relativity & the
General Theory of Relativity
Part 4
Navigating the night sky
Celestial sphere, ecliptic, celestial equator
Magnitudes vs. Actual brightness