Image:Lagrange points.jpg

维基百科，自由的百科全书

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Lagrange_points.jpg‎ （489 × 419 画素，檔案大小：62 KB，MIME類型：image/jpeg）

這個文件來自维基共享资源。下面所显示的内容来自这里的描述页面。

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[edit] Summary

Description	A contour plot of the effective potential of a two-body system. (the Sun and Earth here), showing the 5 Lagrange points. An object in free-fall would trace out a contour (such as the Moon, shown).
Source	http://map.gsfc.nasa.gov/m_mm/ob_techorbit1.html
Date	unknown
Author	NASA
Permission (Reusing this image)	see below

Source: http://map.gsfc.nasa.gov/m_mm/ob_techorbit1.html - Retrieved March 31, 2006.

See also Image:Lagrange points.svg - incomplete SVG Gnuplot replacement.

[edit] Licensing

This file is in the public domain because it was created by NASA. NASA copyright policy states that "NASA material is not protected by copyright unless noted". (NASA copyright policy page or JPL Image Use Policy).

Warnings:

Use of NASA logos, insignia and emblems are restricted per US law 14 CFR 1221.
The NASA website hosts a large number of images from the Soviet/Russian space agency, and other non-American space agencies. These are not necessarily in the public domain.
Materials from the Hubble Space Telescope may be copyrighted if they do not explicitly come from the STScI. [1]
All materials created by the SOHO probe are copyrighted and require permission for commercial non-educational use. [2]
Images featured on the Astronomy Picture of the Day (APOD) web site may be copyrighted. [3]

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点击日期／时间以查看当时出现过的文件。

	日期／时间	维度	用户	注解
当前	2007年2月5日 (一) 15:12	489×419 (62 KB)	EnEdC	(also move L4, L5 out)
	2006年6月29日 (四) 00:37	489×419 (62 KB)	EnEdC	(Moved L3 left slightly.)
	2006年3月31日 (五) 17:53	479×419 (49 KB)	Mlm42	(A contour plot of the effective potential of a two-body system. It clearly shows the 5-lagrange points.)

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拉格朗日点

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Image:Lagrange points.jpg

维基百科，自由的百科全书

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