英语翻译stars,galaxies and the universe constellations:patterns of stars in the sky.wisible light:light that we can see electromagnetic radiation:energy that can travel as a wave "drinking gourd" = the star pettern = big dipper spectrum:light spreaded out to ,make a range of different colors...
Astronomers' Universe(共57册), 这套丛书还有 《》《》《The Solar System in Close-Up》《Weird Astronomical Theories of the Solar System and Beyond》《The Story of Helium and the Birth of Astrophysics》 等。 我要写书评 Origins: How the Planets, Stars, Galaxies, and the Universe Began (Astrono...
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。
types.The Milky way is only one galaxy among a few hundred million galaxies in our universe (each with hundreds of billions of stars). extcircled°SPIRAL GALAXY: galaxies that have spiral arms that emerge from the center. Our solar system is located on one of the arms of the Milky Way ...
根据SPIRAL GALAXY部分的have spiralarms, ELLIPTICAL GALAXY部分的 shaped like a huge egg 和IRREGULAR GALAXY部分的many other shapes of galaxies可知,星系主要是根据形状来进行分类的。故选A项。7.C【解析】细节理解题。根据IRREGULAR GALAXY部分的manyother shapes of galaxies that aren't spira or elliptical ...
GALAXIES AND THE UNIVERSE Galaxies arc huge groupings of stars, planets, gas, and dust. Our sunis in the MILKY WAY gaiaxy, 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 billicn stars ...
How do ecliptic galaxies relate to dark matter Elliptical galaxies have jets that shoot out angular momentum which can be given to the dark matter Hubbles Law v=Hubbles constant x velocitytells us the rate of expansion of...
Stars, Galaxies, and the Universe Constellations Constellations are patterns of stars in the sky. Electromagnetic Radiation Visible light – the light we see with our eyes Light is a form of electromagnetic radiation, or energy that can travel directly through space in the form of waves. The ele...
Chapter 26: Stars and Galaxies Section 4: Galaxies and the Universe Galaxies and the Universe 4 Galaxies A galaxy is a large group of stars, gas, and dust held together by gravity. Earth and the solar system are in a galaxy called the Milky Way. It might contain as many as one trillio...
不同的温度产生不同的光谱线.摄氏温度.里面有些错误.比如,produce,include,electromagnetic.etc ...