If it weren't for gravity, which side of the earth would be right side up and which side would be upside down?
955624
If it wasn't for gravity, there would be no earth.  (Gravity holds the earth together.)  \n\nThe very notion of "up" and "down" *needs* gravity, or it has no meaning.  The very notion of "down" has always meant,  "in the direction of gravity", even before we knew what gravity was.  If you are in a room with no windows, how do you know which way is "down"?  Because "down" is THE DIRECTION THAT THINGS FALL.  When you stand up, it's THE DIRECTION OF YOUR FEET.  Without gravity, there is no notion of falling, and no notion of "standing up" so "down" (and "up") have no meaning.  Think of astronauts in a room with no windows on the Space Station.  They have no "up" or "down". \n\nOr think of it another way.  The notion of "up" and "down" has less to do with the direction of the earth, as with the direction of gravity.  If you are standing on the moon, or on mars, which way is "down"?  It will be in the direction things fall ... towards the planet you are standing on.  So "down" is defined relative to the current direction of gravity, regardless of what is causing that gravity.\n\nSo the earth has no "up" and "down" except with respect to gravity.  It also has no "top" or "bottom" ... the North Pole is not the top of the earth.  We just like to make maps that way, but there's no scientific reason for it.    (The Egyptions drew maps relative to the Nile river ... so the "upper Nile" is South, and the "lower Nile" is North.)
753758
the question really should be, 'which direction is the earth spinning if you look at it from (insert place here)?'\n\nit all depends on your frame of reference. and your direction of reference. and your size of reference.
1021502
The shape and direction of the twist is given by Coriolis effect, which  says since everything is falling to the center of earth, and it is spinning, there developes a curve, just like the one you see on your toilet, as opposite of the one you'd see in other toilet in southern hemisphere (if you are in the northern one)
550167
No, because if this pit when through the entire earth it would end up on the other side of the earth.
141095
A magnetic field has a north and south polarity. Gravitation is mostly the same every where on Earth.
1119993
This is simply a matter of perspective. From the South Pole, the earth's rotation is clockwise.
189537
If the earth wasnt tilted on its axis, we probably wouldnt have any gravity.  The tilt helps with the gravitational pull of everything and the moon itself.
1143300
If they were not the names of everything would be backwards and upside down.
1054239
no it doesn't affect gravity.  it's a double reversal, so everything is perceived right side up.  hold something in front of your face.  then turn it upside down, that's how your eyes see it, flip it around again (notice how it's right side up now?) this is how your brain sees it.\n\nit's all cool, you won't fall off the face of the earth...  ;-)
675679
you'd fall very quickly and then go past the centre towards the surface at the other side.\nThen you'd start to fall back to the centre and go back to the other side.\nThis is basically how a pendulum works.\nBy the way.. there should be free fall at the centre of the earth... I.e. no gravity.
365770
i dont' know what causes the rotation of an orbiting planet, but the moon would definitely have gravity even if it didn't spin.  that dude was full of crap.  if anything, the spin would cause things to fly off.
223759
Because gravity always points down, no matter\nwhere you are, down is towards the center of\nthe earth.
6794
Up and down are defined by where you feel gravity pulling. Usually all you see will be pulled into the same direction as yourself, so everything will appear right side up.\n\nHowever, unless you live on the north pole, your "up" won't be identical to "north". The angle by which your "up" direction is different from north is called latitude. My guess is that you live at roughly 45° latitude, that half sideways. Still feels like upright, doesn't it?
912463
since you said "IF",  I think somewhere around the middle gravity will reverse on you and you will have to turn your body around so that you can come up on the other side head first.
270714
No there is not..an upside down from what perspective? you would need a frame of reference to start from. If you were in a shuttle then there would be an upside down in the shuttle or course, but not out in space as there is no "down" or "up"
1015863
Only if you are upside down.
520200
assumeing that one leg wasnt longer than the other, and that you couldnt fly and just walk straight out into space, you WOULDNT end up back where you started if walking in a straight line, because the earth isnt perfectly round...  you would have to walk east-west on the equator only