Its 31-month mission will cost about $20.1 million, the United Nations announced.

"How much is this mission to the asteroids costing us?"

The planners said the first mission would cost $150 million as against costs of more than $1 billion for many recent planetary flights.

If Galileo had been launched in 1986, as once planned, the mission would have cost $890 million.

The mission will cost a great deal of money.

More likely, the American mission would cost more than $2 billion for a year.

The mission had cost her life, and possibly much more.

The mission, which is to remain here until July 1991, will cost about $20 million.

The missions cost the French five bombers, two from ground fire.

The mission has cost about $17 million a month, most of it paid by Western governments.