But many other physicists believe that the present cosmic acceleration is caused by an exotic energy, called as dark energy, whose pressure is negative. Observations indicate that dark energy consists of 70% of total energy in our universe.

• 但大多数的物理学家认为今天的宇宙加速膨胀是由均匀充满空间的具有负压特性的能量所导致的,这种奇异的能量就是所谓的暗能量,观测表明今天它可能主导着宇宙的演化,大约占所有宇宙能量的百分之七十。