365 Days (one year)
366 days in a leap year
It takes 28 days for the moon to travel round the earth.
1 year = 365,242199 days
10,759 Earth days, or approximately 29.5 years.
6 months
The radio waves from a lightning stroke travel at the speed of light, you can hear them as clicks on a long-wave radio, and they travel round the world in 1/7th of a second.
It takes approximately 23 years to travel from Earth to Ceres.
The Apollo spacecraft took 3 days to travel from the Earth to the moon.
27 days, 7 hours, 43 minutes and 11.6 seconds - roughly 28 days :D
about 80 days
About a month
Well the earth cannot travel around the world being as they are the same thing. However, if you meant how long does it take the earth to travel around the sun then the answer would be about 365.25 days.
A year - 365.2422 days.