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3 days ago · dark matter, a component of the universe whose presence is discerned from its gravitational attraction rather than its luminosity. Dark matter makes up 30.1 percent of the matter-energy composition of the universe; the rest is dark energy (69.4 percent) and “ordinary” visible matter (0.5 percent).
- Adam Riess
- Dark matter is a component of the universe whose presence is discerned from its gravitational attraction rather than its luminosity.
- Dark matter makes up 30.1 percent of the matter-energy composition of the universe. The rest is dark energy (69.4 percent) and “ordinary” visible m...
- Dark matter’s existence was first inferred by Swiss American astronomer Fritz Zwicky, who in 1933 discovered that the mass of all the stars in the...
- Two varieties of dark matter have been found to exist. The first variety is about 4.5 percent of the universe and made of the familiar baryons (i.e...
2 days ago · In the standard lambda-CDM model of cosmology, the mass–energy content of the universe is 5% ordinary matter, 26.8% dark matter, and 68.2% a form of energy known as dark energy. [4] [5] [6] [7] Thus, dark matter constitutes 85% [a] of the total mass, while dark energy and dark matter constitute 95% of the total mass–energy content. [8] [9 ...
8 hours ago · "What exactly are dark matter and dark energy? These invisible forces make up most of the universe, yet they remain some of the greatest mysteries in modern ...
5 days ago · Together, dark matter and dark energy make up almost 95% of our entire universe. The rest – everything on Earth, everything ever observed with all of our instruments, all matter we understand – adds up to less than 5% of the universe.
1 day ago · Observational data that is taken as evidence for dark energy and dark matter could indicate the need for new physics. [ 212 ] Even taken as is, general relativity is rich with possibilities for further exploration.
2 days ago · Dark matter does have mass though, and mass creates gravity. This means dark matter can pull on or interact with regular matter and vice versa.
5 days ago · Dark Matter and Dark Energy. Read what astronomers are discovering about a gaping hole in the universe, how dark matter clumps contribute to galaxy formation and more. Space images.
