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orbit of the moon
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Two reasons for seasons?
1. Tilt of earths axis 2. Earths axis remains parallel throughout its yearly orbit.
What is parallel in geography?
It is a circle drawn around the globe parallel to the equator and at right angles to the meridians.
Is the earths axis rotation almost parallel to the plane of its orbit?
No; it's about 23 degrees off the plane of its orbit.
What is happening on the Earth during a solitice?
The earths rotational axis is tipped 23.5 degrees from vertical The earths rotational axis remains parallel throughout its orbit of the sun, so at one point in the yearly orbit the top half of the axis is at maximum tilt away from the sun, this is the winter solstice / shortest day (northern hemisphere) and summer solstice / longest day (southern hemisphere) Half a year later the positions are reversed as the axis remains parallel leaving the top of the axis tilting in.
Why do the hours of daylight increase in the summer?
The earths rotational axis is tilted approx. 23 degrees from vertical The earths rotational axis remains parallel throughout its rotation around the sun, high summer (longest day) in the northern hemisphere, is when the top of the axis is at full tilt toward the sun. (shortest day in the southern hemisphere)
Why are the seasons reversed in the northern and southern hemisphere?
Because Earths axis is tilted.
What does Earths magnetic axis do not do with its rotational axis?
intersect
The line y equals -2.5 is parallel to what axis?
y=-2.5 is parallel to the x axis. The equation of the x axis is y=0
What is the Imaginary rod on which the earth rotate?
The axis
What line is parallel to the y-axis?
Any line with the equation [ x = any number ] is parallel to the y-axis.
What is the slope of a line that is parrel to the y- axis?
The slope (or gradient) if the line is parallel to the y-axis, is infinite. If it's parallel to the x-axis the slope is zero.
What is a straight line parallel to an axis called?
It's called an ORDINATE. when there is a straight line 100% parallel to the x axis, it's slope is 0. If a line is parallel to the y axis, its slope is undefined, or infinite.
