Hereâs how long the iOS 8.1 upgrade takes. You should make sure you start the iOS 8.1 download on a good internet connection, when you have time to wait for the download to complete. You need WiFi to start this and you need at least 50% battery life.
On average the moon is 380,000 km (235,000 miles) from the Earth, a distance of about 110 times its own diameter. A tennis ball would then have to be 110 x 6.7 cm = 7.37 meters (about 24 feet) from the basketball.
The moon is on average 238,857 miles away. The average centre-to-centre distance from the Earth to the Moon is 238,857 miles, about thirty times the diameter of the Earth. Around 235,000 miles. Note: There are comments associated with this question.