New zodiac signs 2011 is faulty information however. Yes, the Earth is off from what it was. Yes, it does change the positioning of the stars. That does not mean that the new zodiac signs 2011 is true though.
The reason the information is faulty is because we do not go off the Sidereal zodiac that follows the position of the stars. We go off the Tropical zodiac. The Tropical zodiac follows the seasons. This is why the information about new zodiac signs 2011 is faulty.