Download - Facts about our universe
Facts Facts About About Our Our
UniverseUniverse
The UniverseThe Universe
The The Entire UniverseEntire Universe Size Size
Not SureNot Sure Maybe Trillions of YearsMaybe Trillions of Years May be InfiniteMay be Infinite
The Observable UniverseThe Observable Universe The observable The observable partpart of the of the Entire Entire
UniverseUniverse Can only observe objects when the universe Can only observe objects when the universe
became transparent. It was opaque before. became transparent. It was opaque before. (when no light)(when no light)
Information before this obtained by Information before this obtained by gravitational waves and radiationgravitational waves and radiation
Finite in SizeFinite in Size Radius of Observable universe Radius of Observable universe
From earth to edge: 46.5 billion light yearsFrom earth to edge: 46.5 billion light years Diameter: 92 – 94 billion light yearsDiameter: 92 – 94 billion light years
Age of UniverseAge of Universe
Different ways of calculationsDifferent ways of calculations Big Bang Theory: 13.7 billion yearsBig Bang Theory: 13.7 billion years Other : 15.8 billion yearsOther : 15.8 billion years Estimate Range:10 – 20 billion yearsEstimate Range:10 – 20 billion years
Composition of UniverseComposition of Universe
Things we can observe and see Things we can observe and see Heavy Elements : Earth, planets, moons:Heavy Elements : Earth, planets, moons: 0.03 % 0.03 % Neutrinos:Neutrinos: 0.3 % 0.3 % StarsStars 0.5 % 0.5 % Free Hydrogen & Helium : Nebulas etc Free Hydrogen & Helium : Nebulas etc
0.4% 0.4% Known StuffKnown Stuff Total Total 5 % 5 %
Mysterious Stuff in the UniverseMysterious Stuff in the Universe Dark EnergyDark Energy 70 % 70 % Dark MatterDark Matter 25% 25%
Mysterious StuffMysterious Stuff Total Total 95%95%
Composition of the Composition of the UniverseUniverse
Heavy Elements
0.03%
Neutrinos
0.3%
Stars
0.5%
Free Hydrogen and Helium
4 %
Dark Matter
25 %
Dark Energy
70 %
Cosmological Cosmological CompositionComposition