GALAXIES AND THE UNIVERSEGalaxies are huge groupings of stars.planets,gas,and dust.Our sun is in the MILKyWAy galaxy.which measures about 100.000 light-years across.That long thin milky brightshape across the middle of the night sky is made up of about several billion stars in ourgalaxy.Our...
【题目】GALAXIES AND THE UNIVERSEGalaxies are huge groups of stars, planets, gas, and dust. Our Sun is inthe Milky Way Galaxy, which measures about 100,000 light years across.That long thin milky bright shape across the middle of the night sky is madeup of about several bilion star in ...
GALAXIES AND THE UNIVERSEGalaxies are huge groupings of stars, planets, gas, and dust. Our sun is in the MILKY WAY galaxy, which measures about 100, 000 light-years across. That long thin milky bright shape across the middle of the night sky is made up of about several billion stars ...
根据IRREGULAR GALAXY部分中There are many other shapes of galaxies that aren’t spiral or elliptical. They all fit into irregular category.可知,不规则的星系部分中还有许多其他星系的形状不是螺旋或椭圆。它们都属于不规则的类别。由此可知,星系主要是根据形状来进行分类。故选A。 (3)题详解: 推理判断题。
a人才派遣业务 The talented person dispatches the service[translate] atell me when you at the airport , 告诉我,当您 在机场,[translate] aliuwei is currently inactive liuwei当前是不活泼的[translate] aThe universe, the galaxies and Mars 宇宙、星系和火星[translate]...
1.For a time after it was discovered that there were other galaxies, the term "island universe" was applied to galaxies, but it has since fallen out of favor.2.In some ways, it's still an appropriate term because traveling to another galaxy would be extremely difficult,...
aa few months after the lady went to europe 几个月在夫人以后去欧洲[translate] aa few montjs after the lady went to europe 几montjs在夫人以后去欧洲[translate] a友情 Amitié[translate] a the universe, the galaxies and mars 宇宙,星系野鸭3月[translate]...
The Universe and its Galaxiesdoi:10.1007/978-3-642-61588-7_3Lausten, SvendEuropen Southern Observatory (ESO)Madsen, ClausEuropen Southern Observatory (ESO)West, Richard M.Europen Southern Observatory (ESO)Springer Berlin Heidelberg
1英语选择题there are ___galaxies in the universe and___is one of them thousands of,the milky way thousand of,the moon thousands of,the earth thousand of,the sun the moon is___the size of the earth. half two quarters one-fourth the same who are going with Mr.smith tomorrow? you,me...
GalaxiesandtheUniverse WhatAreGalaxies? •Greekgalax=milk •WilliamHerschel,1783:AdiskwiththeSun slightlyoff-center WhatAreGalaxies? •19thCentury:“SpiralNebulae”•Nearby?MaybeSolarSystemsinFormation? •1920:GalaxiesareStars •1920’s:GalaxiesareliketheMilkyWay •Biggestsingleincreaseinourmental...