
The rotation and revolution speed of EARTHA globe (biggest globe in the world) is maintained as per that of the ________.
A) Sun
B) Earth
C) Moon
D) Venus
Answer
472.5k+ views
Hint:
EARTHA globe is the biggest globe in the world. It is the largest rotating and revolving globe which is located within the headquarters of the DeLorme mapping corporation located at Yarmouth, Maine.
Complete Step by Step Answer:
EARTHA globe is mounted at an angle of degrees, as with most of the globes. It is the same as the axial tilt of the Earth; hence the equator is diagonal to the floor. It is mounted on a cantilever with two motors and for every 18 minutes, it stimulates one day’s revolution and rotation. On 23 July 1998, the globe was completed after two years of construction and planning. It uses a composite database which is built from satellite imagery, coloured bathymetry, shaded relief and the information about road networks and urban areas. Approximately 140 gigabytes database was used to generate the surface images. EARTHA is contained in an atrium which has several glass walls. This allows the EARTHA to be seen from outside of the building. The globe is illuminated at night. Omni – Span is a truss structure around which the EARTHA is constructed. It consists of over 6000 pieces of aluminium tubing. This is covered by a layer of 792 map panels, each covering 10 degrees of longitude and 8 degrees of latitudes which are attached to the trusses with the help of a custom-designed system of hidden bolts. The rotation and revolution speed of EARTHA globe (biggest globe in the world) is maintained as per that of the Earth.
Thus, option (B) is correct.
Note:
The weight of the EARTHA globe is approximately equal to 5,600 pounds (2,500 kg) and it has a diameter of over 41 feet ( m). One inch on the globe represents 16 miles and it was built with a scale of .
EARTHA globe is the biggest globe in the world. It is the largest rotating and revolving globe which is located within the headquarters of the DeLorme mapping corporation located at Yarmouth, Maine.
Complete Step by Step Answer:
EARTHA globe is mounted at an angle of
Thus, option (B) is correct.
Note:
The weight of the EARTHA globe is approximately equal to 5,600 pounds (2,500 kg) and it has a diameter of over 41 feet (
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