- #1
tumor
- 126
- 1
How fast is Earth moving trough space?
How fast is earth moving trough space?
Click For Summary
Discussion Overview
The discussion centers on the speed at which Earth is moving through space, exploring various frames of reference for measuring this motion. It includes theoretical considerations and comparisons to other celestial objects.
Discussion Character
- Exploratory, Technical explanation
Main Points Raised
- Some participants emphasize the necessity of a frame of reference to determine Earth's speed, stating that motion can only be described relative to another object.
- One participant notes that Earth's orbital velocity with respect to the Sun is approximately 67,000 miles per hour.
- Another point raised is that the solar system orbits the center of the Galaxy at about 558,000 miles per hour.
- Additionally, it is mentioned that the solar system moves at around 828,000 miles per hour relative to the cosmic microwave background radiation, specifically in the direction of Leo.
- A participant expresses amazement at the speeds discussed, indicating a sense of wonder about the vastness of these measurements.
Areas of Agreement / Disagreement
Participants generally agree on the importance of a reference frame for measuring motion, but there are multiple competing views regarding the specific speeds and their implications.
Contextual Notes
The discussion does not resolve the implications of these speeds or the significance of different frames of reference, leaving these aspects open for further exploration.
- #2
chroot
Staff Emeritus
Science Advisor
Gold Member
- 10,270
- 45
You must provide a frame of reference to which to compare its motion. You cannot say how fast it is moving through space, only how fast it is moving with respect to some other object.
With respect to the Sun, the Earth's orbital velocity is about 67,000 miles an hour.
With respect to the center of the Galaxy, the entire solar system is orbiting at about 558,000 miles an hour.
With respect to the cosmic microwave background radiation, the solar system is moving at about 828,000 miles an hour in the direction of Leo.
- Warren
With respect to the Sun, the Earth's orbital velocity is about 67,000 miles an hour.
With respect to the center of the Galaxy, the entire solar system is orbiting at about 558,000 miles an hour.
With respect to the cosmic microwave background radiation, the solar system is moving at about 828,000 miles an hour in the direction of Leo.
- Warren
- #3
Adrian Baker
- 378
- 2
..it makes you feel quite dizzy doesn't it!
- #4
tumor
- 126
- 1
Thanks . Wow ! I still can"t believe.chroot said:
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