The first American satellite (space ship) was Explorer I, launched in 1958.
365 1/4 days
around every 30 days.
The earth's orbit, like almost all orbits of heavenly bodies, is an ellipse.
Approximately 28 1/2 days.
the earth takes 365 1/4 days to orbit the sun . :)
NO
1957
28 days
687 earth days
Then it would either fly off into outer space or crash into the body it was supposed to orbit.
29.5 Earth years.
Attach a suzan bearing to it :)
365 1/4 days
No. The moon orbits the Earth which orbits the Sun.
90 days and 2 sec
around every 30 days.
The earth's orbit, like almost all orbits of heavenly bodies, is an ellipse.