1 E+26 m
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To help compare different orders of magnitude, this page lists distances greater than 1026 m (100 Ym or 11,000 million light years). At this scale, expansion of the universe becomes significant. Distance of these objects are derived from their measured redshifts, which depends on the cosmological models used.
- 1.3×1026 m — redshift 6.41 — 13,000 million light years — Distance (LTD) to the quasar SDSS J1148+5251
- 1.3×1026 m — redshift 10 — 13,200 million light years — Distance (LTD) to the galaxy Abell 1835 IR1916 (disputed)
- 1.3×1026 m — redshift 1000 — 13,700 million light years — Distance (LTD) to the source of the cosmic microwave background radiation; radius of the observable universe measured as a light travel distance (LTD). Light travel distances above 2 billion light years have no physical meaning. (disputed - see discussion)
- 2.6×1026 m — 27,400 million light years — Diameter (LTD) of the observable universe
- 4.4×1026 m — 46,000 million light years — Radius of the universe measured as a comoving distance.
- 5.9×1026 m — 62,000 million light years — Cosmological event horizon: the largest comoving distance from which light will ever reach us (the observer) at any time in the future
- »1027 m — Size of universe beyond the cosmic light horizon, depends on its curvature; if it is zero (i.e. the universe is spatially flat), the value is infinite (see shape of the Universe)
