Ch. 2 Flashcards
Every year, around March 22, the subsolar point is where?
On the equator
In summer, around June 21, the subsolar point is where?
On the Tropic of Cancer
When the subsolar point is on the equator what is it called?
March equinox
When the subsolar point is on the Tropic of Cancer what is it called?
June solstice
What is the June solstice?
When daylength is longest for northern hemisphere latitudes and shortest for southern hemisphere latitudes
What is the March equinox?
When daylength is equal for all latitudes on Earth
Around September 22, the Sun’s subsolar point returns to where?
To the equator
By the December, the Sun’s subsolar point is where?
The Tropic of Capricorn
What is the location of the Tropic of Cancer?
23.5 degrees North
What is the location of the Tropic of Capricorn?
23.5 degrees South
What is perihelion?
Earth’s closest position to the Sun, which occurs on January 3 during the Northern Hemisphere winter
What is aphelion?
Earth’s farthest position from the Sun, which occurs on July 4 during the Northern Hemisphere summer
What area receives 24hr daylengths during the summer?
The North Pole
What area receives 15hr daylengths during the summer?
40 degrees North latitude
What area receives 12hr daylengths during the summer?
The equator
