* Astronomy

A Japanese businessman who trained for a 10-day flight aboard the international space station has sued to get his money back, claiming he was defrauded of $21 million by the U.S. firm that arranged the venture.
Daisuke Enomoto, 37, had completed training in Russia and planned to fly to the station aboard a Russian Soyuz capsule in September 2006. But he was pulled from the three-member crew a month before liftoff, opening a seat for Dallas businesswoman Anousheh Ansari to fly instead.
Enomoto filed suit last month in U.S. District Court in Alexandria, Va., against Virginia-based Space Adventures, the space tourism company that plans to send its sixth paying passenger to orbit next month.

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