Star chart basics
Asterism vs. constellation
Brightest objects
Ecliptic-apparent path of sun
Zodiac constellations
3000 stars visible to naked eye
Finding Polaris
Big Dipper and Little Dipper
Cassiopeia
Arcturus ("follow the arc to Arcturus")
Summer Triangle (Vega, Altair, Deneb)
Northern Cross / Cygnus
How do we know that the Earth is "spherical"?
West and east backward on star chart?
Units - m, kg, s -- basics of the history of each
Speed of light: 300,000,000 m/s (roughly) or 186,000 miles/sec or around 7 times around Earth's equator in 1 second
Light-year
Light-minute
Light-second
(All astronomical units of length)
No comments:
Post a Comment