The Solar System Flashcards
What is the earths tilt value?
23.5
What is Keplers First Law?
The sun is the focus of the earths ellipse.
What is Keplers second law?
A lone joining a planet to the sun sweeps out equal areas during equal time periods.
Whats it called when the earth is closest to the sun?
Perihelion.
Whats it called when the earth is furthest away from the sun?
Aphelion.
When is the earth moving its fastest?
Perihelion.
In the Northern hemisphere 21st of June summer, what latitude will be in continuous daylight?
N64.5
On the 21st of December, at midday, where will the sun be directly overhead?
S23.5
When is the winter solstice?
21st/22nd of December.
Where is the sun in the equinox?
Directly overhead the equator.
When is the declination of the sun zero?
The equinoxes.
What date is the perihelion?
3rd of January
What date is the aphelion?
3rd of July.
The rate of change of the declination of daylight is greatest during the time of EQUINOX/SOLSTICE because the rate of change of the declination of daylight is DIRECTLY/INDIRECTLY proportional to the declination of the Sun.
Equinox # directly
