How many time zones does earth have?
24 time zones
How long does the moon to revolve around earth?
29.5 days to revolve around earth.
What is closest planet to the sun?
Mercury
Neubla definition:
A massive cloud of dust and space.
Why do the inner planets have rocky surfaces?
Because the sun burned away most of their gases away.
How fast does earth rotate on it axis?
1035 miles per hour
What is the phase of the moon that follows a waning crescent.
The new moon
The sun rises in the __ and sets in the __?
Rises in the east.
Sets in the west.
Binary Star definition:
A member of a double star system
Every four years and extra day is added to February. Wha is this called.
A leap year
How far to the plates move per year?
3 inches per year
When do the waning phases of the moon happen.
Waning phases of the moon rise after sunset .
sundials where used to measure time how many years ago?
500 years ago
Nova definition:
A star that suddenly increases in light and color.
The highest tides are called what?
Spring tides
How old is the earth in galactic years?
25 galactic years old.
In order to experience a total eclipse what do you need to be in?
You need to be in an umbra.
When the northern hemisphere is pointing towards the sun it is _____ in the Southern Hemisphere.
It is the winter.
Rays definition:
Bright streaks starting from a crater and extending away for great distances.
Communication satellites are placed in what?
Geosynchronous Orbits
Why are the days on earth 24 hours long?
Due to the rotation of the earths axis
When do the new moon and a full moon set with the sun?
New moon- rise in the sunrise and set in the sunset
Full moon- rise in the sunset and set in the sunrise
It takes the sun ___ million years to revolve once around the Milky Way. Also known as ____?
225 million years
known as 1 galactic year
Central uplifts definition:
Mountains formed because of the huge increase and rapid decrease of pressure during the impact event. They only occur in the center of craters that are larger than 40 km diameter.
What did Galileo discover with his telescope?
He discovered that there are mountains on the moon, Jupiter has moons, there are more stars than we thought, the sun has spots.