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In the horizon coordinate system altitude-azimuth how many degrees does a star at the celestial equator move in 1 hour and how many arcseconds does the star move in 1 second of time?
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∙ 14y ago
The answer is pay attention in school.
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∙ 14y ago
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Does a star that is located 30 degrees north of the celestial equator have 30 degrees declination?
Yes. "Declination" on the celestial coordinate system is the counterpart of "latitude" on the terrestrial coordinate system. Positive and negative declination correspond respectively to north and south latitude.
What are the coordinates of Cygnus in degrees and hours?
Libra lies between the constellation Virgo to the west and Scorpius to the east, at about 15 hours 30 minutes right ascension (the coordinate on the celestial sphere analogous to longitude on the Earth) and 15° south declination (angular distance south of the celestial equator).
What latitude on earth is a celestial pole 45 above the horizon'?
At 45 degrees north latitude, the north celestial pole appears 45 degrees above the northern horizon. At 45 degrees south latitude, the south celestial pole appears 45 degrees above the southern horizon.
What coordinate is 0 degrees latitude?
The Equator
What is the right ascension of the earth?
"Right Ascension" is a coordinate in one of the main celestial coordinate systems. It is measured eastward along the "celestial equator". The units of measurement are hours, minutes and seconds. Those units are used because the "celestial sphere" appears to rotate once each day. Each hour is the equivalent of 15 degrees. The zero or starting point for right ascension is the "Vernal Equinox". It may seem odd to refer to the Vernal Equinox as the starting point of a coordinate system. The Vernal Equinox is actually a point in space. This point in space is occupied by the Sun at the time we call the Vernal Equinox. You can think of Right Ascension as being the equivalent of the Earth's meridians projected out into space.
How many arcseconds are in 3 degrees?
3 Degrees to Arcseconds = 10,800
How many arcseconds in 5 degrees?
5 degrees is 18,000 arcseconds.
How many degrees are in 36000 arcseconds?
There are 10 degrees in 36,000 arcseconds. There are 3600 arcseconds in a degree, and 36,000 divided by 3,600 is 10.
What does D in a R A mean?
90 degrees in a right angle or Ninety degrees in Right Ascension = celestial coordinate.
What system is the celestial coordinate system most similar to?
The celestial coordinate system is exactly analogous to the terrestrial positioning system based on latitude and longitude. Terrestrial latitude ---> celestial 'declination'. Terrestrial longitude ---> celestial 'right ascension', where one 'hour' = 15 degrees.
Does a star that is located 30 degrees north of the celestial equator have 30 degrees declination?
Yes. "Declination" on the celestial coordinate system is the counterpart of "latitude" on the terrestrial coordinate system. Positive and negative declination correspond respectively to north and south latitude.
What does 90-D in a R A mean?
90 degrees in a right angle or Ninety degrees in Right Ascension = celestial coordinate.
What does '90 D in a R A' mean?
90 degrees in a right angle or Ninety degrees in Right Ascension = celestial coordinate.
What are the coordinates of Cygnus in degrees and hours?
Libra lies between the constellation Virgo to the west and Scorpius to the east, at about 15 hours 30 minutes right ascension (the coordinate on the celestial sphere analogous to longitude on the Earth) and 15° south declination (angular distance south of the celestial equator).
Are celestial bodies identified by a 3 axis coordinate XYZ just as terrestrial locations have Latitude and Longitude X and Y cordinates?
Not quite. Instead of being described in Cartesian coordinates such as X, Y, and Z, celestial objects are described in an angular coordinate system sometimes called "rho, theta". These are letters of the Greek alphabet often used to measure angles.We still use three coordinates representing the number of degrees around the ecliptic a celestial object is, and the number of degrees north or south of the ecliptic plane. The third coordinate is a distance. These are similar to the bearing, elevation and range coordinates that you might use in gunnery.
What latitude on earth is a celestial pole 45 above the horizon'?
At 45 degrees north latitude, the north celestial pole appears 45 degrees above the northern horizon. At 45 degrees south latitude, the south celestial pole appears 45 degrees above the southern horizon.
30 degrees north, 30 degrees west Coordinate?
(30,30)
