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.
They found that when the moon is closest to earth it is 363,104 km (225632 mi) away. When it is at it's furthest point away it is 405,696 km (252,099 mi) away. The average distance away is 384,393 km (238,854 mi) away. Or alternitivly, very far away.