Undergrad Earth's Rotation & Orbit: Effects on Space Objects?

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SUMMARY

The discussion focuses on the physical effects of Earth's rotation and orbit around the Sun. It clarifies that gravity is the primary force responsible for keeping Earth in orbit and attracting nearby space objects. The conversation highlights that while Earth's rotation has a minimal effect on its gravitational field, it does not significantly alter the gravitational pull experienced by objects in space. The distinction between rotating and non-rotating gravitational fields is noted, but the difference is negligible.

PREREQUISITES
  • Understanding of Newton's Law of Universal Gravitation
  • Basic knowledge of orbital mechanics
  • Familiarity with the concept of conservation laws in physics
  • Awareness of the effects of rotation on gravitational fields
NEXT STEPS
  • Research Newton's Law of Universal Gravitation in detail
  • Explore orbital mechanics and the dynamics of celestial bodies
  • Study the conservation laws relevant to motion and rotation
  • Investigate the differences between rotating and non-rotating gravitational fields
USEFUL FOR

Astronomy enthusiasts, physics students, and anyone interested in understanding the gravitational effects of Earth's motion in space.

timeuser84
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Hi. I don't know what prefix this question belongs in so I just chose advanced at random. What's the physical effect called when the Earth orbits around the sun at extremely fast speeds and also rotates around itself every 24 hours at the same time? Does that force cause anything in space getting close enough to Earth to get pulled into Earth due to that effect?
 
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timeuser84 said:
What's the physical effect called when the Earth orbits around the sun at extremely fast speeds and also rotates around itself every 24 hours at the same time?
There's no particular force at work here. Gravity keeps the Earth in orbit and various conservation laws mean it keeps moving and rotating.
timeuser84 said:
Does that force cause anything in space getting close enough to Earth to get pulled into Earth due to that effect
The Earth's gravity does this. It would also do this if it were isolated and not rotating. (Actually, there's a tiny difference in the gravitational field of a rotating and a non-rotating Earth, but the difference is very nearly indetectable.)
timeuser84 said:
I don't know what prefix this question belongs in so I just chose advanced at random.
If there's no maths, it should be B level.
 
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