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en.wikipedia.org/wiki/Axial_tilt

In astronomy, axial tilt, also known as obliquity, is the angle between an object's rotational axis ... Earth's axis remains tilted in the same direction with reference to the background stars throughout a year (regardless of where it is in its orbit).

en.wikipedia.org/wiki/Earth%27s_rotation

The Earth's rotation axis moves with respect to the fixed stars (inertial space); the components of this motion are ...

www.nationalgeographic.org/encyclopedia/axis

Dec 5, 2012 ... Earth's axis is not perpendicular. It has an axial tilt, or obliquity. Axial tilt is the angle between the planet's rotational axis and its orbital axis.

www.quora.com/What-is-the-axis-of-earth

Here's a picture. The line down the middle is the axis, the center point of the spin. So if you stood right on the north pole, or right on the south pole, and didn't ...

www.universetoday.com/47176/earths-axis

Jul 27, 2016 ... This tilt in Earth's axis is what is responsible for seasonal changes during the course of the year. When the North Pole is pointed towards the ...

www.ldoceonline.com/Earth%2Bsciences-topic/axis

axis in the Earth sciences topic by Longman Dictionary of Contemporary English | LDOCE | What you need to know about Earth sciences: words, phrases and ...

earthsky.org/earth/can-you-explain-why-earth-has-four-seasons

Sep 20, 2016 ... That's logical, but not the case, for Earth. Instead, Earth has seasons because our planet's axis of rotation is tilted at an angle of 23.5 degrees ...

www.nasa.gov/audience/forstudents/k-4/dictionary/Axis.html

Axis. Earth during a winter solstice. Seasons are caused by the tilt of Earth's axis. Credits: NASA. an imaginary straight line around which an object spins ...

www.ask.com/youtube?q=What+Is+the+Axis+of+the+Earth%3F&v=9n04SEzuvXo
Dec 13, 2011 ... Animated educational video showing the earth's rotation around the sun and the " wobble effect" caused by the axis of rotation. Animations were ...