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 The Hubble Ultra-Deep Field image shows some of the most remote galaxies visible with present technology, each consisting of billions of stars. (Apparent image area about 1/79 that of a full moon)[᱑] | |
| Age (within Lambda-CDM model) | 13.799 ± 0.021 billion years[᱒] |
|---|---|
| Diameter | Unknown.[᱓] Diameter of the observable universe: 8.8×1026 m (28.5 Gpc or 93 Gly)[᱔] |
| Mass (ordinary matter) | At least 1053 kg[᱕] |
| Average density (including the contribution from energy) | 9.9 x 10−30 g/cm3[᱖] |
| Average temperature | 2.72548 K[᱗] |
| Main contents |
Ordinary (baryonic) matter (4.9%) Dark matter (26.8%) Dark energy (68.3%)[᱘] |
| Shape | Flat with a 0.4% margin of error[᱙] |
ᱥᱟᱹᱠᱷᱭᱟᱹᱛ[ᱥᱟᱯᱲᱟᱣ | ᱯᱷᱮᱰᱟᱛ ᱥᱟᱯᱲᱟᱣ]
- ↑ "Hubble sees galaxies galore". spacetelescope.org. Retrieved ᱮᱯᱨᱤᱞ 30, 2017.
- ↑ ᱛᱩᱢᱟᱹᱞ ᱦᱩᱲᱟᱹᱜ:Invalid
<ref>tag; no text was provided for refs namedPlanck 2015 - ↑ ᱛᱩᱢᱟᱹᱞ ᱦᱩᱲᱟᱹᱜ:Invalid
<ref>tag; no text was provided for refs namedBrian Greene 2011 - ↑ Bars, Itzhak; Terning, John (ᱱᱚᱵᱷᱮᱢᱵᱚᱨ 2009). Extra Dimensions in Space and Time. Springer. pp. 27–. ISBN 978-0-387-77637-8. Retrieved ᱢᱮ 1, 2011.
- ↑ Davies, Paul (2006). The Goldilocks Enigma
. First Mariner Books. p. 43ff. ISBN 978-0-618-59226-5.
- ↑ NASA/WMAP Science Team (ᱡᱟᱱᱩᱣᱟᱨᱤ 24, 2014). "Universe 101: What is the Universe Made Of?". NASA. Retrieved ᱯᱷᱮᱵᱽᱨᱩᱣᱟᱨᱤ 17, 2015.
- ↑ Fixsen, D.J. (2009). "The Temperature of the Cosmic Microwave Background". The Astrophysical Journal. 707 (2): 916–20. arXiv:0911.1955
. Bibcode:2009ApJ...707..916F. doi:10.1088/0004-637X/707/2/916.
- ↑ ᱛᱩᱢᱟᱹᱞ ᱦᱩᱲᱟᱹᱜ:Invalid
<ref>tag; no text was provided for refs namedplanck2013parameters - ↑ NASA/WMAP Science Team (ᱡᱟᱱᱩᱣᱟᱨᱤ 24, 2014). "Universe 101: Will the Universe expand forever?". NASA. Retrieved ᱮᱯᱨᱤᱞ 16, 2015.
