"The Ghostly Messengers" --Massive Underground Instrument Reveals 'Final Secret' of Our Sun
When we consider the origins of life in our Solar System, a remarkable discovery has to be taken into account –the Solar System is substantially over-abundant in metals compared with average interstellar abundances at the time of its formation 4.6 billion years ago. These solar abundances are similar to present interstellar abundances, an anomaly that remains a mystery. One possibility scientists suggest is that the Sun formed much closer to the galactic center than its current position, which may have resulted in a plentiful supply of raw materials in the solar nebula from which to form...