position to the sun. (Jan.3)
position from the sun. (July 4th)
Clouds of electrically charged particles emitted from the sun.
Caused by magnetic storms on the sun.
Deflects the solar wind towards the poles.
Solar wind Effects
Produces the remarkable auroras. (Borealis = North) (Australis = South) <Think Australia. Also can effect weather patterns.
distance between corresponding points on any two successive waves.
The Sun emits ------
Region at the top of the atmosphere.
Radiation arriving at earth's surface.
Average insolation received at earth.
The only point receiving insolation perpendicular to Earth's surface.
Angle between the horizon and the Sun.
The Latitude of the subsolar point. (think about it.)
around the sun
On it's axis
When the circle of illumination excludes the North Pole Region from sunlight, but includes the South Pole region. (Dec.21/22)
Vernal Equinox (March)
(Mar. 20/21) Circle of Illumination passes through both poles so that all locations on Earth experience a 12-hour Day and Night.
Summer Solstice (June)
Arctic Circle gets 24hours of sunlight.
Autumnal Equinox (September)
12 hour day and 12 hour night (globally)
Test from Hell.