１０ What Constitutes the Universe【What is the Universe？】Dialogue with the Universe

１０　What Constitutes the Universe【What is the Universe？】Dialogue with the Universe

(1) Substance・・・・・4.83% by weight of the universe
・Heavy elements •　　：0.03%
・Neutrino　　　　　　：0.3%
・Stars　　　　　　　　：0.5%
・Hydrogen・Helium　：4%
(2) Energy・・・・・・・ 0.17%
(3) Dark matter ・・・ 26.8%
• The dark matter can be detected by observing the gravitational.
(4) Dark energy ・・・ 68.3%
・The energy with the nature of the mysterious to accelerate the expansion of the universe.
(Hawking suspects that it is vacuum energy.)