By looking at light from distant exploding stars called supernovas, in 1998 astronomers discovered the universe isn't just expanding - its expansion ...
Taking advantage of a cosmic 'double lens,' astronomers resolved more than 40 individual stars in a galaxy so far away its light dates back to when the universe was only half its present age.
Each ALPHA comes with a powerful, mid-drive motor that efficiently directs power through the chainwheel to the rear wheel and derailleur, ensuring efficient power transmission and balanced force ...