Lecture 5 – The Night Sky. What is the connection between what’s in the book and what’s in the sky?. We will discuss many types of objects; let’s see them too. Examples: Red Supergiants (Antares) “Population II Stars” (Arcturus) Galaxies (M81)
Lecture 5 – The Night Sky
What is the connection between what’s in the book and what’s in the sky?
First reference system: the Horizon System
Two coordinates: altitude and azimuth
Question for the audience:
What is going on to cause this east-to-west motion of all objects, rising in east and setting in west?
Demonstration, more next time