“This is a ten-pIanet system; the presumptive eleventh is actually an
asteroid belt between planets four and five. Number five is the gas giant
first spotted by the computer; it is large but not as large as the one
183
184 lames Blish
recorded for system IEP number three. Six, seven, eight and ten are also gas
giants of moderate size. Nine is a small dense world about eight thousand
miles in diameter with a very eccentric orbit; presumably it is an escaped
satellite of number eight, which also has four other moons, all much
smaller. Number ten has two moons, and number seven has five. Numher six has
twelve, including a large one, plus a small asteroid belt of its own, which
the spectroscope shows to be mostly ice. Number five has fourteen
satellites, three of them large. None of these bodies are livable. Then
comes the asteroid belt, followed by four small dense planets, two of which
appear to be inhabitable.”
“Two of them? Around so cold a star?”
“Yes, Director. Number four is small and cold and wouldn’t support us
except under domes, but it shows traces of water and indigenous simple
plant life. Number three is a binary, consisting of one planet about two
thousand miles in diameter and one of about eight thousand miles, revolving
around each other. The smaller body is quite dead and meteor-battered and
obviously never had any atmosphere to speak of. The larger is almost an
exact duplicate of our home world in many important respects, according to
the computer, except that it has much more extensive bodies of water. The
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