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The idea is to divide the number of degrees in a complete circle (360 degrees) by the number of hours the Moon takes for those 360 degrees, i.e., one complete revolution. One revolution by the Moon takes about 27 1/2 days; convert that into hours and do the division.

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What is the Azimuth and the altitude if the latitude is 20 degree north the right ascension is 11 hour and the declination is -10 degree?

That will depend on the time of day. The point in the sky at that RA and declination will revolve all the way around any observer at that latitude in roughly 24 hours. The highest it will ever get in his sky will be when it transits due south of him. At that moment, its azimuth will be 180° and its elevation will be 60° above the southern horizon.


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?

A star at the celestial equator will move 15 degrees in altitude per hour, and 15 arcseconds in 1 second of time. This is because the celestial equator intersects the celestial sphere at 90 degrees from the north and south celestial poles, so the stars appear to move in circles around the celestial poles.


How fast does the sun move over the surface of the earth as perceived from earth and how does one calculate that speed at various latitudes?

One day is 24 hours, so the apparent movement of the Sun is one full circle - or 360 degrees - every 24 hours. That is equivalent to 15 degrees per hour. That's the speed of the Sun as perceived from Earth - and such an apparent movement of an object in thesky has to be expressed in angular measurement (such as degrees or radians), not in meters/second, kilometers/hour, etc. Also, this apparent speed is the same at different latitudes. Actually, it can be slightly less when the Sun is not at the equinox, since then, the Sun doesn't describe a major circle from our point of view. But the difference is not great.


For every 15 degrees of longitude there is difference of how much time?

For every 15 degrees of longitude traveled eastwards, there is typically a time difference of one hour ahead. This is due to the Earth's rotation at 15 degrees per hour.


How many dagrees is the earths rotation every hour?

1 day = 1 360 degree rotation and that is also 24 hours, so the shift per hour is 360/24 = 15 degrees /hour

Related Questions

What is the Azimuth and the altitude if the latitude is 20 degree north the right ascension is 11 hour and the declination is -10 degree?

That will depend on the time of day. The point in the sky at that RA and declination will revolve all the way around any observer at that latitude in roughly 24 hours. The highest it will ever get in his sky will be when it transits due south of him. At that moment, its azimuth will be 180° and its elevation will be 60° above the southern horizon.


How many degrees does the hour hand move between 1.10 and 4.30?

To calculate the degrees the hour hand moves between 1:10 and 4:30, first determine the total time elapsed. From 1:10 to 4:30 is 3 hours and 20 minutes. The hour hand moves at a rate of 30 degrees per hour (360 degrees/12 hours), plus an additional 0.5 degrees for each minute (30 degrees/60 minutes). Therefore, the total movement is (3 \times 30 + 20 \times 0.5 = 90 + 10 = 100) degrees.


How many degrees does the hour hand move in 6 hours?

The hour hand of a clock completes one full revolution, or 360 degrees, in 12 hours. Therefore, in 6 hours, it moves half of that distance. To calculate this, you can divide 360 degrees by 12 hours to get 30 degrees per hour, and then multiply by 6 hours. Thus, the hour hand moves 180 degrees in 6 hours.


How many degrees is 8 am to 2 pm?

To calculate the number of degrees between 8 AM and 2 PM on a clock, we consider that the clock is divided into 12 hours, corresponding to 360 degrees. Each hour represents 30 degrees (360 degrees ÷ 12 hours). The time from 8 AM to 2 PM is 6 hours, so the calculation is 6 hours × 30 degrees/hour = 180 degrees.


How many degrees does the hour hand move in an hour?

360 degrees


What is the smaller angle between 4 and 8 on a clock?

To find the smaller angle between the hour hand at 4 and the hour hand at 8 on a clock, we first calculate the angle for each hour mark. Each hour mark represents 30 degrees (360 degrees/12 hours). The angle between 4 and 8 is 4 hours apart, which is 4 × 30 = 120 degrees. Therefore, the smaller angle between 4 and 8 on a clock is 120 degrees.


How many degrees does the hour hand move in one half of an hour?

It takes twelve hours for the hour hand to move 360 degrees In half an hour the hour hand moves 15 degrees


How many degrees of longitude there are per hour?

15 Degrees per hour


What is the relationship between a degrees in rotation and an hour on the clock?

The hour hand on a standard 12 hour clock rotates one twelth of 360 degrees in one hour. That is 30 degrees.


How many degrees does the hour hand move in 23 hour?

23/24 of 720 degrees = 690 degrees


What is the measurement of the angle formed by the hands of a clock at 650?

To find the angle between the hour and minute hands of a clock at 6:50, first calculate the positions of each hand. The minute hand at 50 minutes is at 300 degrees (50 minutes × 6 degrees per minute). The hour hand at 6:50 is at 205 degrees (6 hours × 30 degrees per hour + 50 minutes × 0.5 degrees per minute). The angle between them is |300 - 205| = 95 degrees.


Looking at a standard wall clock at the time 6 30 what is the angle in nearest degrees created by the minute hand and the hour hand?

The angle between the hour hand and the minute hand on a standard clock at 6:30 is 15 degrees. Let's review the movement of the hands of the clock specific to this problem. The hour hand moves through the 12 hours of half a day in 12 hours (naturally), and that translates into the hour hand moving 360 degrees in 12 hours. That means the hour hand moves 360/12, or 30 degrees per hour. That translates into 15 degrees in half an hour. If the hour hand is pointing straight down at 6:00 (which it is), it will move 15 degrees from where it was in half and hour. And the time will be 6:30 with the minute hand pointing straight down. The minute hand will be pointing to where the hour hand was half an hour ago. And, as stated, the hour hand will have moved from dead on the six and gone 15 degrees further around.