All Questions
7
questions
3
votes
1
answer
159
views
CMB dipole anisotropy maping to earth visualization
I do not see how this dipole anisotropy is due to the motion of the earth (and thus a doppler effect). Does anyone have a visualization of how this maps onto the earth and the motion of the earth such ...
- 460
3
votes
2
answers
720
views
Is one side of earth faster at night and slower at daytime?
I'm reading Physics for Entertainment by Yakov Perelman and in it he says under "When we move around the sun faster" that at midnight the speed of the rotation of the earth is added to that of earth's ...
-2
votes
1
answer
99
views
Motion of earth wrt. objects?
To "outrace the Sun" (or rather the earth) in Arctic latitudes, one
can go much more slowly. Above Novaya Zemlya, on the 77th parallel, a
plane doing about 450 km. p.h. would cover as much as a ...
- 1
2
votes
3
answers
8k
views
How high do you need to be so as to not rotate along with Earth?
So, I saw this meme about some minister commenting that the Earth doesn't rotate, for if it did then planes only need to be in the air and the destination city would come to it. I know this is absurd ...
- 262
0
votes
1
answer
111
views
Can an object take off from A, do not move (in the air) but land at a different place? [closed]
Can an object take off at a point A on the surface of the Earth and then land after some time only to land at a different place where it initially took off (because in the mean time the Earth has ...
0
votes
1
answer
642
views
Does Earth get gravity due to it's spinning? [duplicate]
Consider my example below.
Example: 1. A man standing on grass(point) on earth surface.
2. He jumped.
3. And returned back, and he could find the same grass(point) under his foots. Right?
If earth is ...
- 13
0
votes
1
answer
146
views
Earth's direction in space [closed]
After watching videos about the rotation of the planets being helical and not heliocentric, I wondered, as Earth travels through space, which part of Earth is the forefront?
- 11