He had little fear now, only curiosity. These Steel-Blues didn't seem inimical. They could have snuffed out my life very simply. Perhaps they and Solarians can be friends.
Steel-Blue chuckled.
Jon followed him through the sundered lock of the station. Karyl stopped for a moment to examine the wreckage of the lock. It had been punched full of holes as if it had been some soft cheese instead of a metal which Earthmen had spent nearly a century perfecting.
"We appreciate your compliment," Steel-Blue said. "But that metal also is found on our world. It's probably the softest and most malleable we have. We were surprised you—earthmen, is it?—use it as protective metal."
"Why are you in this system?" Jon asked, hardly expecting an answer.
It came anyway. "For the same reason you Earthmen are reaching out farther into your system. We need living room. You have strategically placed planets for our use. We will use them."
Jon sighed. For 400 years scientists had been preaching preparedness as Earth flung her ships into the reaches of the solar system, taking the first long step toward the conquest of space.
There are other races somewhere, they argued. As strong and smart as man, many of them so transcending man in mental and inventive power that we must be prepared to strike the minute danger shows.
Now here was the answer to the scientists' warning. Invasion by extra-terrestrials.