674.4 km/h. This means that just by standing on the equator, a person would already be traveling at a speed in excess of the speed of sound in a circle. But much like measuring a day, the Earth’s rotation can be measured
A. They can make the Earth's rotation speed up B. They can disrupt radio communications on Earth C. They can stop the movement of ocean currents D. They can make the E. arth's gravity stronger 相关知识点: 试题来源: 解析 B。解析:太阳耀斑等太阳活动会对地球产生影响,其中一个可能的影响...
The Earth revolves around the sun at a speed of about 67,100 miles per hour. One whole orbit or revolution around the sun takes approximately 365.25 days, which comes out to a year. The extra 0.25 day is accounted in the extra day on leap years every 4 years. The Earth’s axis is ...
题目What causes the seasons on Earth? A. The rotation of the Earth. B. The revolution of the Earth. C. The tilt of the Earth's axis. D. The distance from the sun. 相关知识点: 试题来源: 解析 C。地球四季是由地球自转轴的倾斜导致的,A 选项地球自转不会引起四季变化,B 选项地球公转是...
What if the Earth stopped spinning g Could the world ever really stop spinning? radually? Could the world ever really stop spinning? Don't panic, but theEarth’s rotationis slowing down thanks to a process called tidal braking....
假如地球不转了会怎样?(What Would Happen If the Earth Stopped Rotating? ) The sun rises in the east and sets in the west, which is caused by the rotation of the earth as you all know. But have you ever thought of the effect of the earth's rotation on man and can you imagine what...
the radius of the earth is about 6,370 kilometres. it takes the earth 24 hours to rotate once. objects on the earth's equator move with the earth at a speed of 460 metres per second, and the air close to the earth's surface turns at the same speed. if the earth stopped rotating ...
What causes seasons on Earth? A. The rotation of the earth. B. The revolution of the earth. C. The tilt of the earth's axis. D. The distance from the sun. 相关知识点: 试题来源: 解析 C。地球的四季是由地球自转轴的倾斜造成的,所以答案是 C。A 选项地球的自转产生昼夜交替;B 选项地...
A. The rotation of the Earth. B. The movement of the moon. C. The heat of the sun. D. The blowing of the wind. 相关知识点: 试题来源: 解析 B。潮汐是由月球的运动引起的,选项 A 地球的自转不是潮汐形成的主要原因;选项 C 太阳的热量不是潮汐的成因;选项 D 风的吹拂不会导致潮汐,所以选...
Universal Time is asolar timestandard that reflects the average speed of the Earth's rotation. Using the prime meridian at 0°longitudeas a reference point, it shows the actual length of an average solar day on Earth, which is the time from one solar noon to the next. ...