Building a space station, in which astronauts would live for a considerable time, is essential even if the space station project were to contribute no new knowledge about space or Earth that could not otherwise be obtained. ███ ██████ ████████ ██ ███████ █████ ██ ████ ████ ███ ███████ █████████ ████ ███ █████ ███████ ███████ ████ ████ ██ █████ ███ ██████ ██ █████ ██████████ ██ ████ ██ ██████████ ███ ██ ████████ █████
The argument makes the assumption ████
the exploration of ████ ████ ██ ███████ ███ ██ ██████ █████████ ██ ██████████ ███ ███ ██ ██████ █████
the capacities of ██████████ ███ ███████ ██ █████ ██ ████████ █████ ██████
no unforeseen medical ████████ ████ █████ ██ ███ █████ ███████ ██ ███████ ████
a mission to ████ ████ ██ ███ █████ ██ ████ ████████ ████ ████ ███████ ███ █████ ██████
living in a █████████ ███ ██ ████████ ████ ████████ ██████████████ ███████ ████████