The earth's rotation and orbital motion is responsible for the days and nights on the planet. This movement is also responsible for the changes in the seasons.
Its axis of rotation were perpendicular to its orbital plane
The movement of Earth on its own axis is called Rotation and it causes day and night.
It swirls due to the earth's rotation.
I guess that's: 1. Rotation on its axis (About 24hrs period). 2. Orbital rotation around the Sun (1 year period). 3. Orbital rotation around the center of our Milky Way Galaxy's centre (1 cosmic year period). 4. Movement within the Local Group of galaxies. 5. Moving along with the expansion of the Universe. Probably this question is mainly about numbers 1 and 2. So the answer is "two". It's possible that you could include the "precession" of the Earth's axis also, as a major motion.
There are two different types of motions of the earth. Rotation is where the earth spins on its axis in a counter-clockwise direction. Revolution is the motion that causes the earth to revolve around the sun. It is also done in a counter-clockwise direction.
The gravitational interaction of the Earth and Moon produces a number of effects. The most obvious of these is the orbital motion of the Moon around the Earth, but there is also a motion of the Earth around the center of mass of the Earth-Moon system, tidal effects on the Earth and Moon and professional effects on the Earth's axis of rotation.
The earth's orbital speed has no influence or effect on its rotation.
period of rotation = day (24 hrs. only for Earth) orbital period = year (not 365.25 days only for Earth)
Rotation
Its axis of rotation were perpendicular to its orbital plane
Its axis of rotation were perpendicular to its orbital plane
Rotation or revolution which motion of earth brings morning and which brings summer?
Rotation.
Rotation
http://en.wikipedia.org/wiki/Earth's_Orbit hope this helps =(
This shift in the constellation is due to two effects. #1 The Earth's axial (daily) rotation & #2 The Earth's orbital track about the Sun.
The effects are day, night and year.