"I thought that the scientific exploration of the solar system was a responsibility of the space agency's."

Its only real value is to gain experience and knowledge needed for human exploration of the solar system.

It is the primary United States research and development center for the robotic exploration of the solar system.

A space station is a stepping stone for human exploration of the solar system.

The exploration of the solar system has brought other disappointments to the search for extraterrestrial life.

This maxim seems to drive current explorations of the solar system.

Give me the money we're wasting on the manned part, we could complete the basic exploration of the solar system in three years.

The exploration of the solar system needs you.

But the exploration of the solar system is too important to let politics get in its way.

For the first time in our exploration of the solar system we have found water in a liquid state on another world.