But for angles above 54 degrees, the poles get more energy than the equator. Although our viewpoint is certainly biased, our planet's tilt axis seems to be 'just right'. (Ward and Brownlee). Not only is the Earth's angle of tilt close to the optimum value, it also seems to have been essentially constant.
http://hyperphysics.phy-astr.gsu.edu/hbase/Astro/orbtilt.html
The tilt of the Earth's spin axis with respect to the plane of its orbit about the sun (the ecliptic plane) is important for a habitable Earth. The Earth's spin axis is tilted 23.5° with respect to the ecliptic, giving moderate seasons and preventing temperature extremes anywhere on the planet. This illustration, patterned after Ward and Brownlee, summarizes the effects of different tilt angles with respect to the ecliptic plane.
http://hyperphysics.phy-astr.gsu.edu/hbase/Astro/orbtilt.html
In astronomy, axial tilt, also known as obliquity, is the angle between an object's rotational axis and its orbital axis, or, equivalently, the angle between its equatorial plane and orbital plane. It differs from orbital inclination.
https://en.wikipedia.org/wiki/Axial_tilt
At an obliquity of zero, these lines point in the same direction i.e. the rotational axis is perpendicular to the orbital plane. Axial tilt differs from inclination. Because the planet Venus has an axial tilt of 177° its rotation can be considered retrograde, opposite that of most of the other planets.
https://en.wikipedia.org/wiki/Axial_tilt
Earth Rotation and Revolution The term Earth rotation refers to the spinning of our planet on its axis. Because of rotation, the Earth's surface moves at the equator at a speed of about 467 m per second or slightly over 1675 km per hour. If you could look down at the Earth's North Pole from space you would notice that the direction of rotation is counter-clockwise (Figure 6h-1).
http://www.physicalgeography.net/fundamentals/6h.html
Figure 6h-3 shows a side view of the Earth in its orbit about the Sun on four important dates: June solstice, September equinox, December solstice, and March equinox. Note that the angle of the Earth's axis in relation to the ecliptic plane and the North Star on these four dates remains unchanged.
http://www.physicalgeography.net/fundamentals/6h.html
Earth 's orbital plane is known as the ecliptic plane, and Earth's tilt is known to astronomers as the obliquity of the ecliptic, being the angle between the ecliptic and the celestial equator on the celestial sphere. It is denoted by the Greek letter ε.
https://en.wikipedia.org/wiki/Axial_tilt
Tilt of the Earth's Axis. The ecliptic plane can be defined as a two-dimensional flat surface that geometrically intersects the Earth's orbital path around the Sun. On this plane, the Earth's axis is not at right angles to this surface, but inclined at an angle of about 23.5° from the perpendicular.
http://www.physicalgeography.net/fundamentals/6h.html
Report Abuse. The Earth's axis is tilted approximately 23.4 degrees away from perpendicular to its orbital plane (ecliptic). To Doc89891: It's not the Earth's axis that is tilted 23.5 degrees to the ecliptic, it's the Earth's equator that is tilted 23.5 degrees to the ecliptic. . aladdinwa · 6 years ago. Thumbs up.
https://answers.yahoo.com/question/index?qid=20090828183522AAoFy84
The planet Uranus has a tilt of 97°, hence it rotates on its side, its north pole being almost in the plane of its orbit. Over the course of an orbit, the obliquity does not change, and the orientation of the axis remains the same relative to the background stars.
https://en.wikipedia.org/wiki/Axial_tilt
what angle is earth's axis tilted
The angle of the earth's axis tilted is 23.5° with respect to the ecliptic. Earth's angle is tilted at the angle of 23.5 degrees with respect to the ecliptic.