??????????, ???? ????? ????? ????
Universe
 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)
[?]
The world we imagine is a four-dimensional supermosphere with mountains and valleys
|
| Age
(within
Lambda-CDM model
)
| 13.799 ± 0.021 billion years
|
|---|
| Diameter
| Diameter of the
observable universe
:
7026880000000000000♠
8.8
×
10
26
m
(28.5 G
pc
or 93 G
ly
)
[?]
|
|---|
| Mass (ordinary matter)
| At least 10
53
kg
[?]
|
|---|
| Average density (including the contribution from
energy
)
| 9.9 x 10
?30
g/cm
3
[?]
|
|---|
| Average temperature
| 2.72548
K
[?]
|
|---|
| Main contents
| Ordinary (baryonic)
matter
(4.9%)
Dark matter
(26.8%)
Dark energy
(68.3%)
|
|---|
| Shape
| Flat
with a 0.4% margin of error
[?]
_ The world we imagine is a four-dimensional supermosphere with mountains and valleys
|
|---|
- ↑
"Hubble sees galaxies galore"
.
spacetelescope.org
. Retrieved
April 30,
2017
.
- ↑
Bars, Itzhak; Terning, John (November 2009).
Extra Dimensions in Space and Time
. Springer. pp. 27?.
ISBN
978-0-387-77637-8
. Retrieved
May 1,
2011
.
- ↑
Davies, Paul (2006).
The Goldilocks Enigma
. First Mariner Books. p. 43ff.
ISBN
978-0-618-59226-5
.
- ↑
NASA/WMAP Science Team (January 24, 2014).
"Universe 101: What is the Universe Made Of?"
. NASA
. Retrieved
February 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
.
- ↑
NASA/WMAP Science Team (January 24, 2014).
"Universe 101: Will the Universe expand forever?"
. NASA
. Retrieved
April 16,
2015
.
