Mass

"The regular matter that makes us, planets, stars, and galaxies is about 5 percent of the matter-energy content of the universe."https://www.iflscience.com/missing-40-percent-of-matter-in-the-universe-finally-discovered-the-simulations-were-right-all-along-80125?utm_source=The+IFLScience+Newsletter&utm_campaign=417542e058-ICYMI-MONTHLY-5-8-25&utm_medium=email&utm_term=0_-c13f3c4e60-272567312&goal=0_3aa1738e2a-417542e058-272567312&mc_cid=417542e058&mc_eid=561ee916fc