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	<title>천문단위 - 편집 역사</title>
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	<updated>2026-04-17T11:29:12Z</updated>
	<subtitle>이 문서의 편집 역사</subtitle>
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		<title>NovaAdmin: DCWiki 복구: 최신본 이식</title>
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		<updated>2026-01-08T08:42:17Z</updated>

		<summary type="html">&lt;p&gt;DCWiki 복구: 최신본 이식&lt;/p&gt;
&lt;p&gt;&lt;b&gt;새 문서&lt;/b&gt;&lt;/p&gt;&lt;div&gt;{{목록}}{{공머생}}&lt;br /&gt;
&lt;br /&gt;
==개요==&lt;br /&gt;
[[천문학]]에서 쓰이는 몇가지 단위들을 정리한 것. 이 중에서 가장 많이 들어본게 광년일거다.&lt;br /&gt;
&lt;br /&gt;
==내용==&lt;br /&gt;
{| class=&amp;quot;wikitable&amp;quot;&lt;br /&gt;
! style=&amp;quot;text-align: center;&amp;quot; | 천문 단위(Astronomical Unit)&lt;br /&gt;
! style=&amp;quot;text-align: center;&amp;quot; | AU = 1.496×10{{위첨자|8}} [km]&lt;br /&gt;
|-&lt;br /&gt;
| rowspan=&amp;quot;3&amp;quot; style=&amp;quot;text-align: center;&amp;quot; | [[파섹]](parsec)&lt;br /&gt;
| style=&amp;quot;text-align: center;&amp;quot; | pc = 206,265 [AU]&lt;br /&gt;
|-&lt;br /&gt;
| style=&amp;quot;text-align: center;&amp;quot; | = 3.26 [ly]&lt;br /&gt;
|-&lt;br /&gt;
| style=&amp;quot;text-align: center;&amp;quot; | = 3.086×10{{위첨자|13}} [km]&lt;br /&gt;
|-&lt;br /&gt;
| rowspan=&amp;quot;3&amp;quot; style=&amp;quot;text-align: center;&amp;quot; | [[광년]](light year)&lt;br /&gt;
| style=&amp;quot;text-align: center;&amp;quot; | ly = 6.324×10{{위첨자|4}} [AU]&lt;br /&gt;
|-&lt;br /&gt;
| style=&amp;quot;text-align: center;&amp;quot; | = 0.307 [pc]&lt;br /&gt;
|-&lt;br /&gt;
| style=&amp;quot;text-align: center;&amp;quot; | = 9.46×10{{위첨자|12}} [km]&lt;br /&gt;
|-&lt;br /&gt;
| rowspan=&amp;quot;2&amp;quot; style=&amp;quot;text-align: center;&amp;quot; | 항성년(sidereal year)&lt;br /&gt;
| style=&amp;quot;text-align: center;&amp;quot; | 1 yr = 365.26 [일]&lt;br /&gt;
|-&lt;br /&gt;
| style=&amp;quot;text-align: center;&amp;quot; | = 3.16×10{{위첨자|7}} [초]&lt;br /&gt;
|-&lt;br /&gt;
| style=&amp;quot;text-align: center;&amp;quot; | 지구의 질량&lt;br /&gt;
| style=&amp;quot;text-align: center;&amp;quot; | M{{아래첨자|⊕}} = 5.98×10{{위첨자|24}} [kg]&lt;br /&gt;
|-&lt;br /&gt;
| style=&amp;quot;text-align: center;&amp;quot; | 지구의 적도 반지름&lt;br /&gt;
| style=&amp;quot;text-align: center;&amp;quot; | R{{아래첨자|⊕}} = 6,378 [km]&lt;br /&gt;
|-&lt;br /&gt;
| style=&amp;quot;text-align: center;&amp;quot; | 지구의 공전 속도&lt;br /&gt;
| style=&amp;quot;text-align: center;&amp;quot; | V{{아래첨자|⊕}} = 30 [km/s]&lt;br /&gt;
|-&lt;br /&gt;
| style=&amp;quot;text-align: center;&amp;quot; | 태양의 질량&lt;br /&gt;
| style=&amp;quot;text-align: center;&amp;quot; | M{{아래첨자|⊙}} = 1.99×10{{위첨자|30}} [kg]&lt;br /&gt;
|-&lt;br /&gt;
| style=&amp;quot;text-align: center;&amp;quot; | 태양의 반지름&lt;br /&gt;
| style=&amp;quot;text-align: center;&amp;quot; | R{{아래첨자|⊙}} = 6.96×10{{위첨자|5}} [km]&lt;br /&gt;
|-&lt;br /&gt;
| style=&amp;quot;text-align: center;&amp;quot; | 태양의 광도&lt;br /&gt;
| style=&amp;quot;text-align: center;&amp;quot; | L{{아래첨자|⊙}} = 3.90×10{{위첨자|26}} [W]&lt;br /&gt;
|-&lt;br /&gt;
| style=&amp;quot;text-align: center;&amp;quot; | 태양의 유효 온도&lt;br /&gt;
| style=&amp;quot;text-align: center;&amp;quot; | T{{아래첨자|e}}ff = 5,780 [K]&lt;br /&gt;
|-&lt;br /&gt;
| style=&amp;quot;text-align: center;&amp;quot; | 달의 질량&lt;br /&gt;
| style=&amp;quot;text-align: center;&amp;quot; | M{{아래첨자|☽}}= 7.3×10{{위첨자|22}} [kg] = 0.0123 M{{아래첨자|⊕}}&lt;br /&gt;
|-&lt;br /&gt;
| style=&amp;quot;text-align: center;&amp;quot; | 달의 반지름&lt;br /&gt;
| style=&amp;quot;text-align: center;&amp;quot; | R{{아래첨자|☽}} = 1,738 km = 0.273 R{{아래첨자|⊕}}&lt;br /&gt;
|-&lt;br /&gt;
| style=&amp;quot;text-align: center;&amp;quot; | 달의 궤도 반지름&lt;br /&gt;
| style=&amp;quot;text-align: center;&amp;quot; | d{{아래첨자|☽}} = 3.84×10{{위첨자|5}} [km]&lt;br /&gt;
|-&lt;br /&gt;
| style=&amp;quot;text-align: center;&amp;quot; | 항성월(sidereal month)&lt;br /&gt;
| style=&amp;quot;text-align: center;&amp;quot; | P{{아래첨자|☽}} = 27.3 [일]&lt;br /&gt;
|-&lt;br /&gt;
| style=&amp;quot;text-align: center;&amp;quot; | 삭망월(synodic month)&lt;br /&gt;
| style=&amp;quot;text-align: center;&amp;quot; | P{{아래첨자|☽}} = 29.5 [일]&lt;br /&gt;
|-&lt;br /&gt;
| style=&amp;quot;text-align: center;&amp;quot; | 은하계 중심으로부터 태양까지의 거리&lt;br /&gt;
| style=&amp;quot;text-align: center;&amp;quot; | R{{아래첨자|⊙}} = 8.5 [kpc]&lt;br /&gt;
|-&lt;br /&gt;
| style=&amp;quot;text-align: center;&amp;quot; | 은하 중심 둘레의 태양의 속도&lt;br /&gt;
| style=&amp;quot;text-align: center;&amp;quot; | V{{아래첨자|⊙}} = 220 [km/s]&lt;br /&gt;
|-&lt;br /&gt;
| style=&amp;quot;text-align: center;&amp;quot; | 은하계의 지름&lt;br /&gt;
| style=&amp;quot;text-align: center;&amp;quot; | D{{아래첨자|⊙}} = 35 [kpc]&lt;br /&gt;
|-&lt;br /&gt;
| style=&amp;quot;text-align: center;&amp;quot; | 은하계의 총질량&lt;br /&gt;
| style=&amp;quot;text-align: center;&amp;quot; | M = 13×10{{위첨자|11}} M{{아래첨자|⊙}} &lt;br /&gt;
|}&lt;br /&gt;
&lt;br /&gt;
[[분류:천문학]]&lt;/div&gt;</summary>
		<author><name>NovaAdmin</name></author>
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