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用所给单词或词组的适当形式填空galaxy,planet,solar system,star,universe(1).The sun and its planets are called the(2).The solar system is a small part of our(3).Our sun is one of the of the Milky Way.(4).scientists have discovered many other galaxies in the(5).The earth is a and...
The Moon is a ball of rock that orbits around the Earth, in the same way that the Earth orbits around the Sun. It is much smaller than the Earth and takes 28 days to complete one orbit. The Moon is 239,000 miles away and is the only place in the Solar System that man has travel...
Our solar system is not the only thing in the universe.It is part of a huge neighbourhood of other stars. The Sun is just one of the billions of stars in the Milky Way galaxy where we live. A galaxy is a group of billions of stars orbiting a common centre. Many of these stars hav...
Our solar system contains our star, the Sun, and everything orbiting it by the pull of its gravity – the planets, dozens of moons, millions of comets, asteroids, and meteoroids. The solar system itself is part of a huge system of stars and objects called theMilky Way galaxy. The Milky...
Solar systemGalaxy (Milky WayBased on a new version of the Hipparcos catalog and currently available radial velocity data, we have searched for stars that either have encountered or will encounter the solar neighborhood within less than 3 pc in the time interval from −2 Myr to +2 Myr. ...
【题目】用所给单词或词组的适当形式填空galaxy , planet, solar_ , syst em, star, universe(1).Scientists have discovered man y other galsxies in the◆(2).Our sun is one of the of t he Milky Way.(3).T he solar system is a small p art of our(4).T he sun and its planets are...
【需要熟知的星系英文】Solar system太阳系; Galaxy (Milky Way) 银河系;Star 恒星;Planet 行星; Earth 地球; Mercury 水星; Venus 金星; Mars 火星; Jupiter 木星; Saturn 土星;Uranus 天王星;Neptune 海王星;Pluto 冥王星;Comet 彗星 ...
Welcome to the solar system! This is where you'll find the Sun, the planets, and humanity's sole home in the Milky Way Galaxy. It contains planets, moons, comets, asteroids, one star, and worlds with ring systems. Although astronomers and skygazers have observed other solar system objects...
This chapter provides an introduction to the solar system as a whole, seeking to describe its architecture and also its place in the Milky Way galaxy. We begin to understand the physical and chemical processes that formed and shaped the solar system and which continue to do so today.Paul R....