Questions tagged [orbit]

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What Earth Science research will be done from the International Space Station?

The April 9, 2020 NASA press release NASA Astronaut Chris Cassidy, Crewmates Arrive Safely at Space Station mentions: It is the third spaceflight for Cassidy and Ivanishin and the first for Vagner, ...
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6answers
30k views

What place on Earth is closest to the Sun?

What is the location on Earth that is closest to the Sun? I've seen this question asked many times, and answered in varied and contradictory ways: The most common answer is “the summit of Chimborazo ...
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1answer
393 views

Why does more sunlight hits the equator than the ecliptic path?

I've always been told that the equator is the region on Earth that receives the most sunlight. But I wondered, since the ecliptic is the circular path that the Sun appears to follow over the course ...
8
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3answers
393 views

Does general relativity influence climate (vs Newtonian mechanics)

That may sounds like a silly question but here it is. One of the early great successes of general relativity was to explain the discrepancy between the prehilion advance of Mercury predicted by ...
1
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2answers
329 views

Earth's orbit and historical sun-earth distance

Purpose of my question: I create program to calculate solar radiation and I need to calculate radius between sun and earth. The based on book "Guide to HTML, JavaScript and PHP" For Scientists and ...
9
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3answers
8k views

Does the elliptical orbit of the Earth have effect on Earth's climate?

I know the Earth is nearest to Sun during the summers of the southern hemisphere. Does the orbit affect the climate actually? For example, would there be any difference if the Earth had a perfectly ...
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2answers
840 views

Equator and Hours of Daylight

Since the equator is closest to the sun, would it have more daylight hours compared to, say, the Tropic of Cancer? I am using an example, however, would it be true if the farther one is from the ...
5
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1answer
293 views

What are the relative contributions of planets to the Milankovitch Cycles?

When reading about the Milankovitch cycles here, it says: If the Earth were the only planet orbiting our Sun, the eccentricity of its orbit would not perceptibly vary even over a period of a million ...
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2answers
884 views

What is the Moon's distance from viewer at horizon?

From a viewer's standpoint, when the moon starts to rise at the horizon, is the moon at the furthest distance from the viewer visually? The Moon differs from most satellites of other planets in that ...
6
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1answer
407 views

What does the precessional parameter measure?

I am wondering what is measured in the plots of change of precession, e.g. when describing Milankovitch Cycles. The values typically vary between .06 and −.06. I am also wondering about what the ...