blob: 5f061478dc1600b9aebed5704ba40d35b68c3df2 (
plain) (
blame)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
|
<!DOCTYPE html>
<html lang="da">
<!--#include virtual="/shtml/head.shtml"-->
<!--#include virtual="/shtml/mathJax.shtml"-->
<title>Astronomi<!--#include virtual="/shtml/titleSuffix.shtml"--></title>
<body>
<!--#include virtual="/shtml/logotype.shtml"-->
<div class="content">
<!--#include virtual="/shtml/navigationBar.shtml"-->
<div class="page">
<p class="heading">Astronomi</p>
<div class="section" id="measures-and-units">
<p class="heading">Mål og Enheder</p>
<p class="subheading">Jf. <a href="/html/topic/physics.html#measures-and-units">fysikkens mål, enheder</a> og <a href="/html/topic/physics.html#constants">konstanter</a>.</p>
<p>Mål med variante enheder:</p>
<table>
<thead>
<tr>
<th>Mål</th>
<th>Enheder</th>
<th>Symboler<sub> af enheder</sub></th>
</tr>
</thead>
<tbody>
<tr>
<td rowspan="2">masse</td>
<td>jupitermasse</td>
<td class="math">\(M_♃\)</td>
</tr>
<tr>
<td>solmasse</td>
<td class="math">\(M_☉\)</td>
</tr>
<tr>
<td rowspan="6">afstand</td>
<td>astronomisk enhed</td>
<td class="math">\(au\)</td>
</tr>
<tr>
<td>lyssekund</td>
<td class="math">\(ls\)</td>
</tr>
<tr>
<td>lysår</td>
<td class="math">\(ly\)</td>
</tr>
<tr>
<td>parsec</td>
<td class="math">\(pc\)</td>
</tr>
<tr>
<td>jupiterradius</td>
<td class="math">\(R_♃\)</td>
</tr>
<tr>
<td>solradius</td>
<td class="math">\(R_☉\)</td>
</tr>
<tr>
<td rowspan="2">tid</td>
<td>år</td>
<td class="math">\(a\)</td>
</tr>
<tr>
<td>dag</td>
<td class="math">\(d\)</td>
</tr>
</tbody>
</table>
<div class="group">
<p class="math">\(1\ M_♃=189\ 813 \cdot 10^{22}\ kg\)</p>
<p class="math">\(1\ M_☉=19\ 8847 \cdot 10^{25}\ kg\)</p>
</div>
<div class="group">
<p class="math">\(1\ au=1\ 495\ 978\ 707 \cdot 10^2\ m\)</p>
<p class="math">\(1\ ls=c \cdot 1\ s=299\ 792\ 458\ m\)</p>
<p class="math">\(1\ ly=c \cdot 1\ a=94\ 607\ 304\ 725\ 808 \cdot 10^2\ m\)</p>
<p class="math">\(1\ pc=1\ au \cdot cot(1^{\prime \prime})=30\ 856\ 775\ 814\ 671\ 916\ m\)</p>
<p class="math">\(1\ R_♃=71492 \cdot 10^3\ m\)</p>
<p class="math">\(1\ R_☉=6957 \cdot 10^5\ m\)</p>
</div>
<div class="group">
<p class="math">\(1\ a=\frac {1461}4\ d=315576 \cdot 10^2\ s\)</p>
<p class="math">\(1\ d=864 \cdot 10^2\ s\)</p>
</div>
</div>
</div>
<!--#include virtual="/shtml/copyrightNotice.shtml"-->
</div>
</body>
</html>
|
