Dark energy is a mysterious repulsive force that opposes gravity, causing the universe to expand.
Dark energy is a mysterious repulsive force that opposes gravity, causing the universe to expand.
暗能量是一种神秘的与万有引力相反的排斥力，它使宇宙膨胀。
Dark energy is a mysterious repulsive force that opposes gravity, causing the universe to expand.
暗能量是一种神秘的与万有引力相反的排斥力，它使宇宙膨胀。