21. The truss is the central girder connecting various modules and main solar array . 22. At the time this was the largest winery solar array in the world. 23. The North solar array failed to open after launch, limiting the mission effectiveness. 24. That meant unplugging the electric lines from the module's four power-generating solar arrays . 25. Two square solar arrays extended like wings from the sides of the cylinder. 26. The cut cable disabled four of the station's nine solar arrays . 27. The blow knocked the station's solar arrays away from the sunlight. 28. This kind of solar cell powers the solar cars utilize GaAs in solar arrays . 29. Designing a solar array is more than just stringing a bunch of cells together. 30. A solar array acts like many very small batteries all hooked together in series.
