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What is the angular distance of aheavenly body from a fixed point?
If the fixed point is the intersection of the celestial equator and the hour circle that intersects the body's position on the celestial sphere, it is declination.
What lines run parallel through the equator?
The only line that runs parallel through the equator is THE EQUATOR. [The Tropic of Cancer and the Tropic of Capricorn are parallel to the equator, but are north and south of it (respectively) at 23.5 degrees. So they do not run through the equator.] The lines of longitude all run through the equator, but they are not parallel to each other since they all meet up at both the North and South Poles.
Which line of latitude is the longest?
The locus of all points of zero latitude ... sometimes also known as the "Equator" ... is the longest parallel of constant latitude. It's length is the equatorial circumference of the earth ... roughly 24,900 miles (40,073 km) .
Is the equator perpendicular or parallel?
A single line cannot be perpendicular or parallel. These are attributes of two (or more) lines.
What are the circular lines that run parallel to the equator?
Lines of latitude.
A star that is located 30 north of the celestial equator has?
A declination of +30 degrees. This means it is 30 degrees north of the celestial equator.
What is the example of a declimanation?
A declination is a term used in astronomy to describe the angular distance of a celestial object from the celestial equator. For example, the declination of the star Sirius is approximately -16.7 degrees, indicating its position relative to the celestial equator.
Does a star that is located 30 degrees north of the celestial equator have 30 degrees declination?
No, the declination of a star is its angular distance north or south of the celestial equator, measured in degrees. So, a star located 30 degrees north of the celestial equator would have a declination of +30 degrees.
How can one determine the declination of a star?
To determine the declination of a star, one can use a tool called a star chart or a star atlas. By locating the star in the night sky and referencing its position relative to the celestial equator, one can measure the angle of the star's position above or below the equator to find its declination.
What is the most common coordinate system used in astronomy?
The most common coordinate system used in astronomy is the equatorial coordinate system, which is based on the celestial equator and the celestial poles. It uses declination to measure north and south of the celestial equator, and right ascension to measure eastward along the celestial equator.
The celestial coordinates of the autumnal equinox are?
The celestial coordinates of the autumnal equinox are 0 hours right ascension and 0 degrees declination. This marks the point at which the sun crosses the celestial equator, and day and night are of equal length.
What is the angular distance of aheavenly body from a fixed point?
If the fixed point is the intersection of the celestial equator and the hour circle that intersects the body's position on the celestial sphere, it is declination.
What is inclination and declination?
Inclination is the angle between the orbital plane of a planet or satellite and the reference plane, usually the ecliptic for planets and the equator for moons. Declination is the angular distance of a celestial object above or below the celestial equator. It is analogous to latitude on Earth.
What imaginary line can be used to measure the motion of celestial object?
The celestial equator is an imaginary line in the sky that is used to measure the motion of celestial objects. It is a projection of Earth's equator into space and helps astronomers locate objects in the sky based on their declination.
What is the distance measured in degrees north and south of the equator is referred to as?
Declination (positive and negative respectively) is the angular distance between north and south of the Celestial Equator.
How do you find celestial points?
You measure the angles from east from the first point of Aries (which is the place in the sky where the Sun crosses the celestial equator at the March equinox) and north from the ecliptic (declination).
Why do astronomers use Declination and Right Ascension?
Astronomers use declination and right ascension to specify the precise location of celestial objects in the sky. Right ascension is akin to longitude on Earth, measuring eastward along the celestial equator, while declination is similar to latitude, measuring north or south of the celestial equator. Together, these coordinates help astronomers point telescopes to specific positions in the sky and locate objects accurately.
