Has a New, Fifth Force of Nature Been Found? - Space.com
added 9 years ago from space.com to Technology
Space.comHas a New, Fifth Force of Nature Been Found?Space.comGalaxies such as this spiral, known as NGC 6814, are held together by mysterious dark matter. Credit: ESA/Hubble & NASA; Acknowledgement: Judy Schmidt. There may be a fifth force of natur...