Dark matter and dark energy contributions

0.954 ± 0.003*

    Dark energy

0.72 ± 0.03

    Dark matter

0.23 ± 0.03

    Primeval gravitational radiation

≤10⁻¹⁰

Contributions from Big Bang era

0.0010 ± 0.0005

    Electromagnetic radiation

10^−4.3 ± 0.000001

    Neutrinos

10^−2.9 ± 0.1

Normal particle (baryon) rest mass

0.045 ± 0.003

    Charged particles (plasma) between stars and galaxies

0.0418 ± 0.003

    Main-sequence stars in elliptical galaxies and nuclear bulges

0.0015 ± 0.0004

    Neutral hydrogen and helium

0.00062 ± 0.00010

    Main-sequence stars in galactic disks and in irregular galaxies

0.00055 ± 0.00014

    White dwarfs

0.00036 ± 0.00008

    Molecular gas

0.00016 ± 0.00006

    Substellar objects

0.00014 ± 0.00007

    Black holes

0.00007 ± 0.00002

    Neutron stars

0.00005 ± 0.00002

    Planets

10⁻⁶ ± 0.1