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Some visible objects in the sky could be faces and shapes.
A satellite stops being visible when it moves into the earth's shadow.
It is a comet
When you are having a clear sky with stars to be seen, fat chance you can spot a Sattelite between them. not all sattelites "pass overhead" tough, many are fixed around 1 point in relation to the earth. They are in most cases to be reconised by a slight but relatively quick flickering. They are often less bright in the centre.
about 3,000
Is visible in our sky
I think its about 50..
You need 4 to locate a position. There are 24 satellites in use in the sky with 8 spares.
light emitted by the satellites
best to get intouch with military or nasa to find out
No they don't move fast in the sky
no
When they reflect the light from the sun or moon.
Some visible objects in the sky could be faces and shapes.
A satellite stops being visible when it moves into the earth's shadow.
about a 100 basket-ball sized satelittes fall every year.