BASICS OF ASTRONOMY AND THE SOLAR SYSTEM (2023)
[Previously “Astronomy 101”]
STARTS SEPT. 14
Introduction to the hierarchy of objects in space, from moons and planets in the Solar System to stars and galaxies. What we see in the night sky, how they move, and their sizes and distances in miles, km, AU, and ly. How they form the basis for different units of time. The reason for the seasons and tides. The energy and parts of the sun, sequence of moon phases, eclipses, Basic physics underlying orbits and light waves and spectra. A quick survey of the planets and other Solar System objects. A thumbnail sketch of the history of modern astronomy, including the operations of a telescope.
This class is offered each fall and alternates with “Basics of Stars, Galaxies, Cosmos” given each spring.
Thursdays, 7-9 PM online, September 14, 21, 28; October 5, 12, 19.
More details and registration in mid-August at this site.
$75 tuition for AAA members.
