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NASA/WMAP Science Team · Public domain13

CosmicReconstructed

The Big Bang

13.8 billion years ago

plausible range 13.8 billion years ago to 13.8 billion years ago

The beginning of the observable universe's expansion. Dated from the cosmic microwave background by the Planck mission; the figure moves as the cosmological model is refined.

How this is known: Reconstructed. Neither witnessed nor directly dated. Inferred from evidence through a model, and subject to revision when the model changes.

Place

Before or beyond any place on Earth

Coordinates

none

Precision

Era

Confidence

45 / 100

Gallery

1 claim about this subject

Reconstructed

13.8 billion years ago

Creation of the worldsame subject

Image credits

CMB Timeline300 no WMAP: NASA/WMAP Science Team, Public domain
WMAP 2012: NASA / WMAP Science Team, Public domain
Crab Nebula: NASA, ESA, J. Hester and A. Loll (Arizona State University), Public domain
2MASS LSS chart-NEW Nasa: IPAC /Caltech, by Thomas Jarrett, Public domain
Heic1401a-Abell2744-20140107: NASA, ESA, and J. Lotz, M. Mountain, A. Koekemoer, and the HFF Team (STScI). "Image/Video Use Policy Space Telescope imagery is free for anyone to use." =>..., Public domain
XDF-scale: NASA, ESA, and Z. Levay (STScI), Public domain
The Hubble eXtreme Deep Field: NASA, ESA, G. Illingworth, D. Magee, and P. Oesch (University of California, Santa Cruz), R. Bouwens (Leiden University), and the HUDF09 Team, Public domain

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