Caroldong：/* Physical constants */

2019-08-13T12:55:56Z

‎Physical constants

Caroldong：创建了IOAA2017常数表。还没翻译

2019-08-13T12:54:55Z

创建了IOAA2017常数表。还没翻译

新页面

{{需要编辑}}
== Table of constants ==
<center>
===Earth===
{| class="wikitable"
|+
|Mass ($$M_⊕$$)
|5.98 × 1024 kg
|-
|Radius ($$R_⊕$$)
|6.38 × 106 m
|-
|Acceleration of gravity ($$g$$)
|9.8 m ⋅ s−1
|-
|Obliquity of Ecliptic
|23°27’
|-
|Length of Tropical Year
|365.2422 mean solar days
|-
|Length of Sidereal Year
|365.2564 mean solar days
|-
|Albedo
|0.39
|}
===Moon===
{| class="wikitable"
|+
|Mass($$M_☾$$)
|7.35 × 1022 kg
|-
|Radius ($$R_☾$$)
|1.74 × 106 m
|-
|Mean distance from Earth
|3.84 × 108 m
|-
|Orbital inclination with the Ecliptic
|5.14°
|-
|Albedo
|0.14
|-
|Apparent magnitude (mean full moon)
|−12.74
|}
=== Sun ===
{| class="wikitable"
|+
|Mass ($$M_☉$$)
|1.99 × 1030 kg
|-
|Radius ($$R_☉$$)
|6.96 × 108 m
|-
|Luminosity ($$L_☉$$)
|3.83 × 1026 W
|-
|Absolute Magnitude ($$m_☉$$)
|4.80 mag
|-
|Angular diameter
|0.5 degrees
|-
|Rotational velocity in the Galaxy
|220 km⋅ s−1
|-
|Distance from Galactic centre
|8.5 kpc
|}
===Jupiter===
{| class="wikitable"
|+
|Mass
|1.89 × 1027 kg
|-
|Orbital semi-major axis
|5.20 au
|-
|Orbital period
|11.86 year
|}
===Saturn===
{| class="wikitable"
|+
|Mass
|5.68 × 1026 kg
|-
|Orbital semi-major axis
|9.58 au
|-
|Orbital period
|29.45 year
|}
===Physical constants===
{| class="wikitable"
|+
|1 au
|1.50 × 1011 m
|-
|1 pc
|206 265 au
|-
|Gravitational constant ($$G$$)
|6.67 × 10−11 N ⋅ m2⋅ kg−2
|-
|Planck constant ($$h$$)
|6.62 × 10−34 J ⋅ s
|-
|Boltzmann constant ($$k_B$$)
|1.38 × 10−23 J ⋅ K−1
|-
|Stefan-Boltzmann constant ($$σ$$)
|5.67 × 10−8 W ⋅ m−2⋅ K−4
|-
|Hubble constant ($$H0$$)
|67.8 km⋅ s−1 ⋅ Mpc−1
|-
|Speed of light in vacuum ($$c$$)
|299 792 458 m ⋅ s−1
|-
|Proton mass
|938.27 MeV ⋅ c−2
|-
|Deuterium mass
|1875.60 MeV ⋅ c−2
|-
|Neutron mass
|939.56 MeV ⋅ c−2
|-
|Helium-3 mass
|2808.30 MeV ⋅ c−2
|-
|Helium-4 mass
|3727.40 MeV ⋅ c−2

@@ 第116行： / 第116行： @@
 |5.67 × 10<sup>−8</sup> W ⋅ m<sup>−2</sup>⋅ K<sup>−4</sup>
 |-
-|Hubble constant ($$H<sub>0</sub>$$)
+|Hubble constant ($$H_0$$)
 |67.8 km⋅ s<sup>−1</sup> ⋅ Mpc<sup>−1</sup>
 |-

2017年IOAA理论常数表 - 版本历史

Caroldong：/* Physical constants */

Caroldong：创建了IOAA2017常数表。还没翻译