blob: 2a340b819d8fb6122bdcba92850a31990e7baf92 (
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
|
<!DOCTYPE html>
<html lang="da">
<!--#include virtual="/include/head.shtml"-->
<head>
<script src="https://polyfill.io/v3/polyfill.min.js?features=es6"></script>
<script id="MathJax-script" async src="https://cdn.jsdelivr.net/npm/mathjax@3/es5/tex-mml-chtml.js"></script>
</head>
<body>
<!--#include virtual="/include/pageHeader.shtml"-->
<div class="page">
<p class="pageTitle">Leksikon<sub> Astronomi</sub></p>
<div class="section" id="measures-and-units">
<p class="large">Mål og Enheder</p>
<p class="small">Jf. <a href="/html/encyclopedia/physics.html">fysikkens mål og enheder</a>.</p>
<p>Mål med variante enheder:</p>
<table>
<tr>
<th>Mål</th>
<th>Enheder</th>
<th>Symboler<sub> af enheder</sub></th>
</tr>
<tr>
<td rowspan="2">masse</td>
<td>jupitermasse</td>
<td class="math">\(M_J\)</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">\(R_J\)</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>
</table>
<p class="math">\(1\ M_J=189\ 813 \cdot 10^{22}\ kg\)</p>
<p class="math">\(1\ M_☉=19\ 8847 \cdot 10^{25}\ kg\)</p>
<br />
<p class="math">\(1\ au=149\ 597\ 870\ 700\ m\)</p>
<p class="math">\(1\ ls=c \cdot 1\ s=299\ 792\ 458\ m\)</p>
<p class="math">\(1\ ly=c \cdot 31\ 557\ 600\ s=9\ 460\ 730\ 472\ 580\ 800\ m\)</p>
<p class="math">\(1\ pc=1\ au \cdot cot(1^{\prime \prime})=30\ 856\ 775\ 814\ 671\ 916\ m\)</p>
<p class="math">\(1\ R_J=71492 \cdot 10^{3}\ m\)</p>
<p class="math">\(1\ R_☉=6957 \cdot 10^{5}\ m\)</p>
<br />
<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>
<!--#include virtual="/include/pageFooter.shtml"-->
</body>
</html>
|
