Planetarium System

Our planetarium system is the projection instrument used in dome hemispherical screens. It mainly uses the optical projection shot out of the sky common stars in the spherical dome screen . With the characteristics of realistic effect and clear image, it is the main equipment of astronomy and geography teaching, which can distinguish the grade by size and brightness, and realize the recording and playing function of demonstration process arranged by computer. The main demonstration functions are as follows:

1.To demonstrate the apparent motion of the earth's revolution -- fully automatic "anniversary motion”

2.To explain the evolution of time and special astronomical phenomena - the real-time sun motion

3.To demonstrate the sun movement to the fixed observation time (true sun) at night-counterglow motion

4.To show the planet in real time as it moves and processes - the five planets in real time

5.To explain the interactive effect of the earth's revolution and rotation -- "Sunday -- annual movement linkage", that is, when the earth rotates once a week, the sun annual motion moves a calendar grid on the ecliptic, indicating the past of a day

6.The moon's movement track and the moon phase change rule, and it has the relation with the sun movement -- the moon's real-time movement

7.To demonstrate the process and principle of the difference in time and different seasons -- "mean sun -- true sun" time difference phenomenon

8.To demonstrate the difference between the sun rise and set and the stars at different latitudes, especially the "polar day" occurrence 

9.Used for the celestial coordinate measurement of the popularization of science-- active horizon circle and active right ascension circle movement

10.To demonstrate the regularity of stellar sky changes after several thousand years-- "Precession motion"

11.Video combined with multimedia technology adds mixed input function

12.Combined with multimedia technology audio files add and explain audio input mixing function

13.With multimedia devices - shutter enable/close input

14.The new navigation manual operating system can operate the planetarium system without the computer support

15.The "American mixon data acquisition device" is added on the end of the motion demonstration, which is used for data acquisition, transmission, input, feedback and so on

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