英文字典中文字典


英文字典中文字典51ZiDian.com



中文字典辞典   英文字典 a   b   c   d   e   f   g   h   i   j   k   l   m   n   o   p   q   r   s   t   u   v   w   x   y   z       







请输入英文单字，中文词皆可：


请选择你想看的字典辞典：
单词字典翻译
galaxia查看　galaxia　在百度字典中的解释百度英翻中〔查看〕
galaxia查看　galaxia　在Google字典中的解释Google英翻中〔查看〕
galaxia查看　galaxia　在Yahoo字典中的解释Yahoo英翻中〔查看〕

安装中文字典英文字典查询工具!


中文字典英文字典工具:
选择颜色:
输入中英文单字

































































英文字典中文字典相关资料:


  • Galaxy - Wikipedia
    A galaxy is a system of stars, stellar remnants, interstellar gas, dust, and dark matter bound together by gravity [1][2] The word is derived from the Greek galaxias (γαλαξίας), meaning 'milky', a reference to the Milky Way galaxy that contains the Solar System
  • Galaxy | Definition, Formation, Types, Properties, Facts | Britannica
    galaxy, any of the systems of stars and interstellar matter that make up the universe Many such assemblages are so enormous that they contain hundreds of billions of stars Nature has provided an immensely varied array of galaxies, ranging from faint, diffuse dwarf objects to brilliant spiral-shaped giants
  • Types - NASA Science
    Our Milky Way is one example of a broad class of galaxies defined by the presence of spiral arms These galaxies resemble giant rotating pinwheels with a pancake-like disk of stars and a central bulge or tight concentration of stars
  • What’s a galaxy? All you need to know about galaxies - EarthSky
    Learn more about galaxies in this video Watch in the player above or on YouTube Science news, night sky events and beautiful photos, all in one place Click here to subscribe to EarthSky’s
  • What is a galaxy? - Live Science
    Galaxies are groups of stars and other space objects held together by gravity There are more than 100 billion galaxies in the universe, each presenting beautiful structures that can be seen in
  • Galaxy - ESA Hubble
    Galaxies are collections of stars, dust, gas, and dark matter, which are bound together by the gravitational attraction that results from their own mass A small dwarf galaxy contains a few million stars, whilst the biggest known galaxies can contain up to a hundred trillion stars
  • Galaxies: Collisions, Types and How Theyre Made | Space
    Galaxies are composed of stars, dust and dark matter, all held together by gravity Astronomers aren't certain exactly how galaxies formed After the Big Bang, space was made up almost entirely
  • Galaxies—facts and information | National Geographic
    Galaxies are sprawling systems of dust, gas, dark matter, and anywhere from a million to a trillion stars that are held together by gravity Nearly all large galaxies are thought to also
  • What is a galaxy? - BBC Sky at Night Magazine
    What is a galaxy, and what are the different types found in the Universe? Find out about galaxy formation and the history of their study





中文字典-英文字典  2005-2009