File:WMAP 2008 universe content.png
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描述WMAP 2008 universe content.png |
English: "WMAP data reveals that its contents include 4.6% atoms, the building blocks of stars and planets. Dark matter comprises 23% of the universe. This matter, different from atoms, does not emit or absorb light. It has only been detected indirectly by its gravity. 72% of the universe, is composed of "dark energy", that acts as a sort of an anti-gravity. This energy, distinct from dark matter, is responsible for the present-day acceleration of the universal expansion. WMAP data is accurate to two digits, so the total of these numbers is not 100%. This reflects the current limits of WMAP's ability to define Dark Matter and Dark Energy." |
日期 | |
来源 | [1] |
作者 | NASA / WMAP Science Team |
其他版本 | Derivative works of this file: Contenuto universo calcolato dal WMAP 2008.png |
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Public domainPublic domainfalsefalse |
本文件完全由NASA创作,在美国属于公有领域。根据NASA的版权方针,NASA的材料除非另有声明否则不受版权保护。(参见Template:PD-USGov/zh、NASA版权方针页面或JPL图片使用方针。) | ||
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当前 | 2008年4月26日 (六) 15:54 | 2,763 × 3,900(249 KB) | Mike Peel(留言 | 贡献) | == Summary == {{Information |Description={{en|"WMAP data reveals that its contents include 4.6% atoms, the building blocks of stars and planets. Dark matter comprises 23% of the universe. This matter, different from atoms, does not emit or absorb light. I |
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