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Where might you find the celestial sphere celestial equator and celestial poles?
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.
What two-word term do astronomers use to designate the half of the celestial sphere which is south of the celestial Equator?
The Southern Hemisphere
What is Declination on the celestial sphere?
Declination is the angular distance of a point on the celestial sphere north or south of the celestial equator, similar to latitude on Earth. It is measured in degrees, with positive values indicating positions north of the celestial equator and negative values indicating positions to the south. Declination is a key coordinate in celestial navigation and astronomy, helping to locate stars and other celestial objects in the sky.
What is the imaginary line in the heavens that runs around the earth the earth midway between the celestial poles?
The celestial equator is the imaginary line in the heavens that runs around the Earth midway between the celestial poles. It is an extension of Earth's equator onto the celestial sphere and divides the sky into northern and southern hemispheres.
What do we call the imaginary extension of earth's equator into space?
The imaginary extension of Earth's equator into space is called the celestial equator. It is an imaginary line in the sky above the Earth's equator, dividing the celestial sphere into northern and southern hemispheres.
Where might you find the celestial sphere celestial equator and celestial poles?
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.
What is the difference between the celestial equator and the horizon?
The celestial equator is an imaginary line in the sky that represents the projection of Earth's equator onto the celestial sphere. It divides the sky into northern and southern hemispheres. The horizon, on the other hand, is the line where the sky meets the Earth's surface when viewed from a specific location, forming the boundary between the visible sky and the ground.
What projection is used for heavenly bodies?
Celestial bodies are typically depicted using an azimuthal projection, such as the stereographic projection, which accurately represents the entire celestial sphere onto a two-dimensional plane. This projection is commonly used in maps of the night sky for astronomical observations.
What is the imaginary sphere on which all objects in the sky seem to be located?
The imaginary sphere is called the celestial sphere. It is used in astronomy to track the apparent movements of celestial objects as if they were projected onto the inside of a sphere surrounding the Earth.
What two-word term do astronomers use to designate the half of the celestial sphere which is south of the celestial Equator?
The Southern Hemisphere
What is Declination on the celestial sphere?
Declination is the angular distance of a point on the celestial sphere north or south of the celestial equator, similar to latitude on Earth. It is measured in degrees, with positive values indicating positions north of the celestial equator and negative values indicating positions to the south. Declination is a key coordinate in celestial navigation and astronomy, helping to locate stars and other celestial objects in the sky.
How does an armillary work?
An armillary sphere is a model of the celestial sphere. It consists of a set of rings representing different celestial circles, such as the equator and the ecliptic. By rotating these rings to align with the position of celestial objects, users can track the motion of the stars, sun, and planets in the sky.
What is the imaginary line in the heavens that runs around the earth the earth midway between the celestial poles?
The celestial equator is the imaginary line in the heavens that runs around the Earth midway between the celestial poles. It is an extension of Earth's equator onto the celestial sphere and divides the sky into northern and southern hemispheres.
What do we call the imaginary extension of earth's equator into space?
The imaginary extension of Earth's equator into space is called the celestial equator. It is an imaginary line in the sky above the Earth's equator, dividing the celestial sphere into northern and southern hemispheres.
What are the components of celestial sphere?
The components of the celestial sphere include the celestial equator (dividing the sky into northern and southern hemispheres), the north and south celestial poles (points around which the sky appears to rotate), and celestial coordinates (such as right ascension and declination) used to locate objects in the sky. Additionally, the ecliptic (the apparent path of the Sun) intersects the celestial equator at two points known as the vernal and autumnal equinoxes.
How much of the overall sky is north of the celestial equator?
Half. The other half is south of the celestial equator.It depends on the where you're looking from (at the equator it is half and half). If you are at latitude 30 degrees north, then about 2/3 of "your" sky is north of the celestial equator (30 degrees north means that you are one-third of the way north from the equator to the North Pole.)
Are the stars located with the respect to the celestial sphere on the surface of the sphere?
No, because there is no such thing as the celestial sphere. So there is no inner surface of a celestial sphere.
