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34 terms

Science Solar System

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The earth orbits or around the sun
revolves
the "tilt" of the earth is
23.5
The latitude of Cleveland
43-45 degrees north
It takes the earth one day to spin or on its axis
rotate
When the sun is directly overhead at 23.5 latitude is called
summer solstice
It takes how many days for the earth to travel around the sun
365.25
When is the earth farthest from sun
summer
the earth travels in which direction around the sun
counterclockwise
the earth travels in which direction around the moon
counterclockwise
What line separates N and S hempmispheres?
the equator
What line W and E Hemispheres?
Prime Merridian
Why do 2 different countries have different seasons?
Because of tilt and on oppisite sides of the earth?
Which direction does sun rise?
East
What direction does sun set?
West
Shortest day of the year?
December 21
Elipse
an oval like figure
Which plantes have elliptical orbits
All
How many focal points does an ellipse have?
2
Core
1st layer of the sun
Radiative zone
2nd layer of the sun
Convection zone
3rd layer of the sun
Photosphere
4th layer of the sun
Chromosphere
5th layer of the sun
Corona
6th layer of the sun
Nebula
a could of gas and dust
Neutron Star
huge stars made of the callapsed core of a supergiant
White Dwarf
the blue-white hot core of a star that is left behind after its outer layers have expanded and drifted out into space
Pulsar
a rapidly spinning neutron star that produces radio waves
Protostar
a contracting cloud of gas and dust with enough mass to form a star
Supernova
a star that explodes and becomes extremely luminous in the process
quasar
a starlike object that may send out radio waves and other forms of energy
Axis
the center around which something rotates
equinox
the time when day and night are of equal length
solstice
point or time at which the sun is farthest from the equator