Unverified50% confidenceFactExact time
The shadow cast by the Moon's umbral cone on Earth's surface typically has a diameter of 100 to 270 kilometers and moves at approximately 1 kilometer per second.
1
Sources
50%
Confidence
Long-term
Relevance
9/7/2026
First Seen
Sources
Related Entities
Related Claims
UnverifiedThe Moon's diameter is approximately 1/400 that of the Sun, and the distance from the Moon to the Earth is also approximately 1/400 of the Sun-Earth distance, allowing the Moon's shadow to completely cover the solar disk.77% similarVerifiedLow Earth Orbit (LEO) satellites typically operate at altitudes of 200 to 2,000 kilometers above the ground, with signal transmission latency of approximately 20–40 milliseconds, whereas geostationary orbit (GEO) is approximately 36,000 kilometers, with latency of approximately 600 milliseconds.64% similarUnverified地球运动包含围绕太阳公转约30km/s、太阳围绕银河系中心公转约220km/s、以及太阳相对局部恒星群的本动速度62% similarUnverified近地轨道通常定义为高度160至2000公里之间的轨道区间，Swift运行在约600公里高度61% similarUnverifiedGEO卫星位于35786公里高度，LEO卫星在550公里左右，信号传播距离缩短了近65倍60% similar
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