the night sky Flashcards
define Zenith
Point directly overhead the observer
Define Nadir
Point directly below the observer
Define Meridian
Imaginary north-south line based on observer
Define azimuth
direction around the horizon from due north
Winter solstice(Dec 21)
Point on the ecliptic furthest south of the celestial equator
Vernal equinox (Mar 21)
Sun crosses the celestial equator going north
Summer solstice (June 21)
Point of the ecliptic furthest north of the celestial equator
Autumnal equinox (Sep 22)
Sun crosses the celestial equator going south
what stars are seen at the earths north pole
Just circumpolar
What stars are seen at the earths equator
Just Rise and set
What stars are seen between the poles and equator
Circumpolar, rise and set, and some are not visible
Where does the sun rise and set during the winter
rises in the southeast sets in the southwest
Where does the sun rise and set during the summer
rises in the northeast sets in the northwest
When is the sun directly above the tropic of CANCER in the NORTHERN hemisphere
at noon on the summer solstice
When is the sun directly above the tropic of CAPRICORN in the SOUTHERN hemisphere
at noon on the winter solstice
