原本檔案(850 × 700 像素,檔案大細:128 KB ,MIME類型:image/jpeg

摘要

描述
English: Galaxies are very important fundamental building blocks of the Universe. Some are simple, while others are very complex in structure. As one of the first steps towards a coherent theory of galaxy evolution, the American astronomer Edwin Hubble, developed a classification scheme of galaxies in 1926. Although this scheme, also known as the Hubble tuning fork diagram, is now considered somewhat too simple, the basic ideas still hold...
Čeština: Galaxie jsou velmi důležitými základními stavebními kvádry vesmíru. Některé galaxie jsou jednoduché, jiné jsou velmi složitě členěné. Jedním z prvních kroků ke vzniku soustavné teorie o vývoji galaxií bylo klasifikační schéma galaxií, které v roce 1926 vyvinul americký astronom Edwin Hubble. Takzvaná Hubbleova ladička byla později rozšířena o další typy galaxií, původní myšlenka však stále přetrvává.
日期

2007年9月17號 (original upload date)

(Original text: October 6, 1999)
來源 Transferred from en.wikipedia to Commons.
作者

The original uploader was Cosmo0 at 英文 維基百科.

(Original text: None given)
Other versions Derivative works of this file:  HubbleTuningFork rus.jpg

協議

Public domain This file is in the public domain because it was created by NASA and ESA. NASA Hubble material (and ESA Hubble material prior to 2009) is copyright-free and may be freely used as in the public domain without fee, on the condition that only NASA, STScI, and/or ESA is credited as the source of the material. This license does not apply if ESA material created after 2008 or source material from other organizations is in use.
The material was created for NASA by Space Telescope Science Institute under Contract NAS5-26555, or for ESA by the Hubble European Space Agency Information Centre. Copyright statement at hubblesite.org or 2008 copyright statement at spacetelescope.org.
For material created by the European Space Agency on the spacetelescope.org site since 2009, use the {{ESA-Hubble}} tag.

Original upload log

The original description page was here. All following user names refer to en.wikipedia.
  • 2007-09-17 14:51 Cosmo0 850×700×8 (131124 bytes) From press-release text: Galaxies are very important fundamental building blocks of the Universe. Some are simple, while others are very complex in structure. As one of the first steps towards a coherent theory of galaxy evolution, the American astronomer

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17 9 2007

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