What would be the effect on the annual march of the seasons if Earth\'s axis wer
ID: 111822 • Letter: W
Question
What would be the effect on the annual march of the seasons if Earth's axis were not inclined relative to the plane of the ecliptic? What would be the effect on the annual march of the seasons if the North Pole always leaned toward the Sun? If Earth's axis were tilted only 20 degree from perpendicular, what would the latitudes of the Tropic of Cancer and Arctic Circle be? Why are standard time zones 15 degree of longitude wide? Most weather satellite images are "time-stamped" sing UTC or "Zulu" time (UTC expressed using military time) instead of the local time of the region below. Why?Explanation / Answer
Answer:
6. The effect on annual march of season if earths axis were not inclined ralative to the plane of the ecliptic will be as follows:
a. There would be no seasonality on Earth.
b. The tides and the times of the seasons would certainly mess up.
c. Days & nights would be 12 hr each regardless of latitude.
d. The poles wouldn't get light all year round.
7. The effect on annual march of season if the north pole is always leaned towards sun will be as follows:
a. It causes some changes in Northern and southern hemisphere.
b. The North Pole would always be in summer.
c. The Northern Hemisphere would receive a surplus of energy and would possess a hotter climate and the Southern Hemisphere would receive a deficit of energy and possess a colder climate.
8. If Earth’s axis was tilted only 20° from perpendicular, what would the latitudes of the Tropic of Cancer and Arctic Circle become?
Answer: 20° north and south latitudes.
9. Why are standard time zones 15° of longitude wide?
Answer: Time zones are one hour divisions of Earth’s rotation. Earth takes 24 hours to make one complete rotation. Earth is 360° in circumference. 360°/24 hours = 15°.
10. Most weather satellite images are “time-stamped” using UTC or “Zulu” time (UTC expressed using 24-hour or military time) instead of the local time of the region below. Why?
Answer: As a way to standardize the times at which such images were taken. Because it is the same number of minutes after the hour in all standard time zones, we usually need to know only the correct time at Greenwich meridian to know exact local time.
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