Mixed
How many days are in a leap year?
366 days
How long is one solar day?
24 hours
What shape is the Milky Way galaxy?
A spiral galaxy
What is the distance of the earth from the sun?
93 million miles
What are the 4 motions of Earth?
Rotation, revolution, with sun, with galaxy
When did the ancient Jews begin their day?
Sunset
What is the Earth’s diameter (at the Poles)?
7,900 miles
What is a curving path that a moving body takes around another body in space?
Orbit
How many degrees of longitude is each time zone?
15°
What are the seasons and how do they occur?
Spring, summer, winter, fall; they occur due to the earth’s tilt and revolution around the sun
Where are longitude lines measured from?
The Prime Meridian (Greenwich, England)
What is the Earth’s circumference (at the Poles)?
24,860 miles
What is the shape of earth’s orbital path around the sun?
Ellipse
How fast does earth travel around the center of the Milky Way galaxy?
101,500 miles per hour
What happens after the vernal equinox?
Days get longer (and nights shorter) in that hemisphere
What happens during an equinox?
The sun is straight up at noon at the equator, and day and night are equal
How high is the earth’s atmosphere?
430 miles
What is the earth’s shape from out in space?
A sphere
How long is one sidereal day?
23 hrs 56 mins 4.091 secs
Where do you move faster, on the equator or on the Arctic Circle?
Equator
Why is one sidereal day shorter than one solar day?
The earth’s position changes due to its revolution around the sun
What angle is earth tilted on its axis?
23.5° from the vertical
Where is the International Date Line?
The 180° longitude, where a new calendar day begins (in-between Russia and Alaska)
What is the Earth’s circumference (around the equator)?
24,902 miles
What happens after the autumnal equinox?
Days get shorter (and nights longer) in that hemisphere