Orbit and Axis
Distance from Sun to Earth.
What is 1 astronomical unit (AU)?
It is hotter in the summer because we get __________ sunlight.
What is more direct?
Name of place where all planets orbit the Sun.
What is the ecliptic plane?
Reason the sun is in the sky longer in the summer.
What is Earth's tilt?
Reason Sun is not directly over the equator for the whole year.
What is the tilt of the Earth's axis?
This would be one direct result of the Earth having NO tilt.
What is NO seasons?
Cause of the Sun appearing to move on the ecliptic over the year.
What is the Earth's orbit around the Sun?
Day on which the sun is the highest it will ever be in the sky in the Northern Hemisphere.
What is the Summer Solstice (around June 21)? The sun is also farthest North. The Winter Solstice is the opposite, sun lowest in the South.
Day when the sun is at the point where the celestial equator crosses the ecliptic.
What is the equinoxes (Autumnal and Vernal)? There are equal hours of light and dark.