Nonetheless , this is enough energy to accelerate nova ejecta to velocities as high as several thousand kilometers per second -- higher for fast novae than slow ones -- with a concurrent rise in luminosity from a few times solar to 50,000 -- 100,000 times solar .
This is enough energy to accelerate nova ejecta to velocities as high as several thousand kilometers per second -- higher for some novae than others -- with a concurrent rise in luminosity from a few times solar to 50,000 -- 100,000 times solar .