Milky Way Arm Containing Our Solar System May Be Bigger Than We Thought
study the milklike Way as a whole has always been difficult as we literally ca n’t see the forest for the trees . Now , new observations of its spiral social structure ( known as " arm " ) have allow for a clearer picture of what our galaxy really looks like . An international team of astronomer , led by Ye Xu from the Chinese Academy of Science , has chance on that the galaxy ’s Local Arm , where the Solar System is place , is much longer than antecedently thought , stretching for about 20,000 light - year ....