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[Field Marshal Dr. Opti]

Is it the shortest day today?

[Taxi_Driver]

Yes....it would have been even shorter if the world had exploded 

[Lizzie_Zoom]

Yes....it would have been even shorter if the world had exploded 

Which of course it has not!   Surprise, surprise!!

[Entwood]

Days now getting longer ...

the exact time of the solstice this year - when the Earth's axial tilt is farthest away from the sun - is at 11:11 GMT

[Field Marshal Dr. Opti]

Days now getting longer ...

the exact time of the solstice this year - when the Earth's axial tilt is farthest away from the sun - is at 11:11 GMT

The Earth moves pretty quickly for an elderly dowager. I'd have to look it up, but I believe the old girl spins at about 1,000 MPH.

[Entwood]

Days now getting longer ...

the exact time of the solstice this year - when the Earth's axial tilt is farthest away from the sun - is at 11:11 GMT

The Earth moves pretty quickly for an elderly dowager. I'd have to look it up, but I believe the old girl spins at about 1,000 MPH.

correctomundo  (except you don't "spin" in mph .. but in revolutions per time   )

mean diameter of earth = 12756.2 km = 7926.34 miles

mean circumference of earth at equator = 3.14159 x 7926.34 = 24901.31 miles

earth completes one revolution in 24 hours, so any point on the earths surface is moving at approximately 1037.5545 mph

[Auto Addict]

Days now getting longer ...

the exact time of the solstice this year - when the Earth's axial tilt is farthest away from the sun - is at 11:11 GMT

The Earth moves pretty quickly for an elderly dowager. I'd have to look it up, but I believe the old girl spins at about 1,000 MPH.

correctomundo  (except you don't "spin" in mph .. but in revolutions per time   )

mean diameter of earth = 12756.2 km = 7926.34 miles

mean circumference of earth at equator = 3.14159 x 7926.34 = 24901.31 miles

earth completes one revolution in 24 hours, so any point on the earths surface is moving at approximately 1037.5545 mph

Is that why I keep falling over

[Kevin Wood]

Is that why I keep falling over

www.acmezimmerframes.co.uk   

 

[Abiton]

Shouldn't that be "any point on the earth's surface on the equator is moving at 1037.5545mph"?

[cem_devecioglu]

ok.. question is why airplanes dont stay in same point and travel free to another distance
 
or wait until earth turns enough and land in there
 

[Entwood]

ok.. question is why airplanes dont stay in same point and travel free to another distance
 
or wait until earth turns enough and land in there

Simple .. the air is also moving at over 1000 mph .... relative to a stationary spot in space .. but relative to the surface to the earth it is not ....  one could argue that a "spot" on the earth is actually moving at a far greater speed .. relative to the sun, as the earths orbit around the sun needs to be included ... but then again .. relative to another planetary system the movement of the Sun needs to be considered .. and then again .... relative to another galaxy the movement of the "milky way"  and then again ....... etc etc etc ....

Everything discussed under the term "motion" is always "relative" to the position of the point of measure ..

[Entwood]

Shouldn't that be "any point on the earth's surface on the equator is moving at 1037.5545mph"?

correctomundo a point at the planetary pole is rotating without any relative movement .. it could be considered stationary ..... but it is moving ....  depending on your point of view .. 

[Kevin Wood]

Shouldn't that be "any point on the earth's surface on the equator is moving at 1037.5545mph"?

correctomundo a point at the planetary pole is rotating without any relative movement .. it could be considered stationary ..... but it is moving ....  depending on your point of view .. 

It's still rotating around the sun at quite a few leptons, though. .. and is the solar system still, or blatting through the universe? My head hurts.

[Entwood]

Shouldn't that be "any point on the earth's surface on the equator is moving at 1037.5545mph"?

correctomundo a point at the planetary pole is rotating without any relative movement .. it could be considered stationary ..... but it is moving ....  depending on your point of view .. 

It's still rotating around the sun at quite a few leptons, though. .. and is the solar system still, or blatting through the universe? My head hurts.

Agreed   see post #10   

[Lizzie_Zoom]

Shouldn't that be "any point on the earth's surface on the equator is moving at 1037.5545mph"?

correctomundo a point at the planetary pole is rotating without any relative movement .. it could be considered stationary ..... but it is moving ....  depending on your point of view .. 

It's still rotating around the sun at quite a few leptons, though. .. and is the solar system still, or blatting through the universe? My head hurts.

Agreed   see post #10   

Now all this has got me thinking (all too much really! ), but how do satellites keep stationery above a point on the Earth's surface and keep propelled to the speed of the Earth.  For once I cannot get my head around that thought to come up with an answer!  Anyone??