正确，不选；C的smaller masses做关键词定位至第三段第一句的size，正确，不选；D与原文第一段末句...
Only 8 planets have been discovered in our solar system but there is compelling evidence for a9th planet. With the exception of Neptune and Uranus the other 6 planets can be seen unaided and all 8 are visible with a small telescope or binoculars. ...
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托福备考托福阅读34套TPO样题+解析+译文16--3 Planets in Our Solar System 托福考试 复习
Planets in Our Solar System The Sun is the hub of a huge rotating system consisting of nine planets, their satellites, and numerous small bodies, including asteroids, comets, and meteoroids. An estimated 99.85 percent of the mass of our solar system is contained within the Sun, while the pl...
Planets in Our Solar System The Sun is the hub of a huge rotating system consisting of nine planets, their satellites, and numerous small bodies, including asteroids, comets, and meteoroids. An estimated 99.85 percent of the mass of our solar system is contained within the Sun, while the ...
.pgeducation PlanetsinOurSolarSystem TheSunisthehubofahugerotatingsystemconsistingofnineplanets,theirsatellites, andnumeroussmallbodies,includingasteroids,comets,andmeteoroids.Anestimated 99.85percentofthemassofoursolarsystemiscontainedwithintheSun,whilethe planetscollectivelymakeupmostoftheremaining0.15percent.The...
The planets in our solar system fall into two groups: the terrestrial (Earth-like) planets (Mercury, Venus, Earth, and Mars) and the Jovian (Jupiter-like) planets (Jupiter, Saturn, Uranus, and Neptune).Pluto is not included in either category, because its great distance from Earth and its...
solar system, assemblage consisting of the Sun—an average star in the Milky Way Galaxy—and those bodies orbiting around it: 8 (formerly 9) planets with more than 210 known planetary satellites (moons); many asteroids, some with their own satellites; comets and other icy bodies; and vast ...
○immense in size ○composed of similar particles ○present at the very beginning of our solar system’s formation ○created from a great variety of different materials 8. According to paragraph 6, what is a possible explanation for the lack of light gases and ices on terrestrial planets?