New study sews doubt about the composition of 70 percent of our universe
— Read on phys.org/news/2021-03-composition-percent-universe.html

New study sews doubt about the composition of 70 percent of our universe

by University of Copenhagen

In 1572, the Danish physicist Tycho Brahe discovered this supernova called Stella Nova. By measuring the distance from this supernova and other novas, researchers later on concluded, that the universe is expanding constantly and with accellerating speed. Credit: NASA/CXC/SAO