how can you prove that earth is a sphere by looking at the pole st
Earth is not a perfect sphere; it is slightly wider across the equator than it is from pole to pole, but that difference is less than a percent of Earth's average diameter, too small for the human eye to notice.
Yes, sphere magnets do have poles. Due to their spherical shape, the poles are located at opposite points on the surface of the sphere. The poles are typically referred to as the north pole and the south pole.
These are imaginary locations in the sky. The "celestial sphere" is a blanket term for everything beyond the Earth. The celestial equator is the plane of the Earth's equator extended out into space. The "celestial poles" are extensions of the north pole and south pole into space. It's sometimes convenient to describe objects out in space with reference to terrestrial coordinates.
From the South Pole, 50% of the sky is always visible, while the remaining 50% is obstructed by the Earth. This is because as the Earth rotates, half of the celestial sphere is always blocked from view at any given time.
It depends on where are you standing, over the North pole, or over (or should I say under) the South pole. If you are at the north pole, the Earth appears to spin counter clockwise and at the south pole, clockwise. If you view the Earth from space, with the north pole up and the south pole down, it will spin moving left to right at the equator.
The fact that the Pole Star appears higher in the sky as you move towards the North Pole and lower as you move towards the equator indicates that the Earth is curved. The only shape that fits this observation is a sphere.
The earth is not a perfect sphere because it is flatened somewhat at the north pole and south pole.
Earth is not a perfect sphere; it is slightly wider across the equator than it is from pole to pole, but that difference is less than a percent of Earth's average diameter, too small for the human eye to notice.
Pole
Yes, sphere magnets do have poles. Due to their spherical shape, the poles are located at opposite points on the surface of the sphere. The poles are typically referred to as the north pole and the south pole.
either of the two points in the celestial sphere where the earth's axis, if extended, would intersect
It is a non-planar triangle. Eg on the surface of a sphere, from a "pole" to the "equator", a quarter of the way around the "equator" and back to the "pole". The earth is not quite right because it is not spherical, so you would not have equal distances between the angles.
These are imaginary locations in the sky. The "celestial sphere" is a blanket term for everything beyond the Earth. The celestial equator is the plane of the Earth's equator extended out into space. The "celestial poles" are extensions of the north pole and south pole into space. It's sometimes convenient to describe objects out in space with reference to terrestrial coordinates.
From the South Pole, 50% of the sky is always visible, while the remaining 50% is obstructed by the Earth. This is because as the Earth rotates, half of the celestial sphere is always blocked from view at any given time.
The great circle of the Earth that is equidistant from the North and South Pole. It divides a sphere into two equal symmetrical parts
It depends on where are you standing, over the North pole, or over (or should I say under) the South pole. If you are at the north pole, the Earth appears to spin counter clockwise and at the south pole, clockwise. If you view the Earth from space, with the north pole up and the south pole down, it will spin moving left to right at the equator.
The Earth has many phases throughout the year in which it actually changes shape. During Spring it is an Asterisk. During Summer it is a triangle. During Autumn it is a cube. During Winter it is an Oblate Spheroid.