Complex sentence: On December 27 2004, a starquake of duration 0.1 seconds was observed coming from SGR 1806-20, with an energy of 10 31 watts, releasing more energy than the Sun would emit in 100,000 years.
Split into simpler sentences: On December 27 2004, a starquake of duration 0.1 s was observed coming from SGR 1806-20, with an energy of 10 31 watts. This energy is more than the Sun would emit in 100,000 years.