The user creates an account. Their password is hashed and stored in the database. At no point is the plain-text (unencrypted) password ever written to the hard drive. When the user attempts to login, the hash of the password they entered is checked against the hash of their real password (retrieved from the database).
List of International Space Station expeditions. This is a chronological list of expeditions to the International Space Station (ISS). All permanent ISS crews are named Expedition n, where n is sequentially increased with each expedition. Resupply mission crews and space tourists are excluded (see List of human spaceflights to the ISS for details). ISS commanders are listed in italics.
It varies from about 400km to 13,000 km. 400km when the ISS is exactly over those places. 13,000 when the ISS is on exactly the opposite side of the earth to those places. http://iss.astroviewer.net/. Here is a list of the 25 countries that contribute in some way to the ISS. http://en.m.wikipedia.org/wiki/I...