CW Hyper X 高尔夫球杆
hyper-x group 超X群
The X-43A, or "Hyper-X" was built specifically to test scramjets, or supersonic ramjets, which burn fuel in air travelling at supersonic speeds.
BBC: Mach 10 scramjet prepares for launch
Besides revealing clues about the lost galaxy, the black hole itself, called HLX-1 (Hyper-Luminous X-ray source 1), is scientifically interesting, researchers said.
MSN: Rare Black Hole Survives Galaxy's Destruction
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