AstronomySolar System & Milky Way/GalaxysunplanetsmoonMercury水星/汞closest planet to the SunVenus金星second closet from the SunMars火星Despite being red, Mars is actually a cold placeJupiter木星the biggest planet in the Solar SystemSaturn土星Saturn is a gas giant and has several ringsNeptune海王星the farthest planet from the Sunplanetary systemstar「sun」 planets「orbiting around fixed star」 satellites 「orbiting around planets」 asteroids「small rocky body orbiting the sun」 comet「celestial object consisting of ice & dust 」 meteoroid-meteor「matter from outer space that enters the earth's atmosphere」 debris & dustHeliocentric theory Geocentric theoryhelio- helium氦气/原意为太阳 氦气发出黄色光谱线/spectrum
最新托福听力背景之天文地质生物考古艺术
AstronomySolarSystem&MilkyWay/GalaxysunplanetsmoonMercury水星/汞closestplanettotheSunVenus金星secondclosetfromtheSunMars火星Despitebeingred,MarsisactuallyacoldplaceJupiter木星thebiggest
推荐度：
点击下载文档文档为doc格式
