新浪博客
llion km.
据估计，整个太阳系跨度至少200亿公里
The Solar System is made up of the Sun, the
太阳系由8个行星以及它们已知的135个卫星，小行星，彗星，星尘和气体组成。行星、小行星和彗星围绕太阳系的中心 -- 太阳运转。
The Solar System formation began billions of years ago, when gases and dust began to come together to form the Sun, planets, and other bodies of the Solar System.
太阳系形成于几百万年前，气体和星尘开始聚集起来，形成太阳、行星、和太阳系里其它天体。
The Sun is a medium-sized star measuring 1,392,000 km across - 100 times the diameter of the Earth.
太阳是一个中等大小的恒星，直径139万2000公里，是地球直径的100倍。
Mercury is the nearest planet to the Sun - during its orbit it is between 45.9 and 69.7 million km away.
水星是距离太阳最近的行星，它的轨道距离太阳4千5百90万公里至6千9百70万公里之间。
Mercury takes 59 days to make a rotation, but only 88 days to circle the sun.
水星自转一周要59天，而它绕太阳一圈只需要88天。
Venus is the nearest of all the planets to Earth in size， measuring 12,104 km accross its diameter. Venus is the brightest in the
在所有行星中，金星的大小和地球最最近，直径有1万2千1百零4公里。金星是天空中最亮的行星。
Mars is the nearest planet to Earth after Venus, and its temperature
火星是继金星之后距地球最近的行星，其温度是所有行星中最接近地球的，尽管它比地球冷很多。
Jupiter is the
木星是太阳系中最大的行星。它的重量是其它行星重量之和的两倍。
Saturn is the second beggest planet in the Solar System - 815 times as big in volume as the Earth, measuring 120,000 km around its equator. Saturn is the lightest in the solar system, it would float, if dropped in the water.
土星是太阳系中第2大行星，其体积相当于地球的815倍。
Uranus is the seventh planet out from the Sun. Its orbit keeps it a distance of 1786 million km away on average and takes 84 years to complete.
从太阳往后数，天王星排第7位。它的轨道距太阳平均17亿8千6百万公里。它环绕太阳运行一圈要84年。
Neptune is the eighth planet out from the Sun, varying in distance from 4456 to 4537 million km.
海王星（距太阳最远）排第8位，距离太阳从44亿5千6百万公里到45亿3千7百万公里不等。
Neptune was discovered in 1846, it still has yet to make a complete arbit around the sun.
海王星是1846年发现的，它至今还在做围绕太阳的第1次运转。
Pluto was once a memeber of the planets
冥王星曾经属于行星
Pluto was the last of all the planets to be discovered. Astronomers were searching for a giant planet beyond Neptune, but found tiny pluto. But it was taken out of the planets in August (Aug.) 24, 2006. Now there are only 8 planets left.
冥王星曾经属于行星，是天文学家在寻找海王星后的一个巨大的行星时发现的。但2006年8月24日，从行星中除名，现在我们只剩下8大行星。
Pluto's orbit sometimes brings it closer to the sun than Neptune.
冥王星的轨道有时比海王星距离太阳都近。
生词和短语
----------------------------------------------------------------------------------------------
the Solar System 太阳系 solar 太阳的、日光的 sun 太阳 planet 行星 moon 卫星、月亮 make/made up of
----------------------------------------------------------------------------------------------
The Solar System Q & A
问答太阳系
Q-1：What is the Solar System
太阳系是由什么组成的？ 它的中心又是什么？
A：The Solar System is made up of the Sun, the 8 planets and their 135 known moons, asteroids, comets, dust and gas. The center of the Solar System is the Sun.
太阳系由8个行星以及它们已知的135个卫星，小行星，彗星，星尘和气体组成。太阳系的中心是太阳。
Q-2：Which planet is the nearest to the sun? And Which is the farest?
哪颗行星离太阳最近，哪颗又最远？
A：Mercury is the nearest planet to the Sun. Neptune is the farest.
水星是距离太阳最近的行星，海王星最远。
Q-3：How many days does it take Mercury to make a rotation, and how many days to circle the sun?
水星自转一周要多少天？绕太阳转一圈需要多少天？
A：Mercury takes 59 days to make a rotation, but only 88 days to circle the sun.
水星自转一周要59天，而它绕太阳一圈只需要88天。
Q-4：Which one of the planets is the neareast to Earth in size, and which is the brightest in the sky?
大小和地球最接近的行星是哪颗？ 哪颗又是天空中最亮的？
A：Venus is the nearest of all the planets to Earth in size， measuring 12,104 km accross its diameter. Venus is also the brightest in the sky.
在所有行星中，金星的大小和地球最接近，直径有1万2千1百零4公里。金星也是天空中最亮的行星。
Q-5：Which planet is the closest to the Earth's in temperature?
那颗行星的温度和地球最接近？
A：Mars's temperature is the closest of any of the planets to the Earth's, although it is much colder.
火星的温度是所有行星中最接近地球的，尽管它比地球冷很多。
Q-6：Which planet is the largest in the Solor Sytem?
太阳系中哪颗行星最大？
A：Jupiter is the largest planet in the Solar system - twice as heavy as all the other planets put together.
木星是太阳系中最大的行星。它的重量是其它行星重量之和的两倍。
据估计，整个太阳系跨度至少200亿公里
The Solar System is made up of the Sun, the
太阳系由8个行星以及它们已知的135个卫星，小行星，彗星，星尘和气体组成。行星、小行星和彗星围绕太阳系的中心 -- 太阳运转。
The Solar System formation began billions of years ago, when gases and dust began to come together to form the Sun, planets, and other bodies of the Solar System.
太阳系形成于几百万年前，气体和星尘开始聚集起来，形成太阳、行星、和太阳系里其它天体。
The Sun is a medium-sized star measuring 1,392,000 km across - 100 times the diameter of the Earth.
太阳是一个中等大小的恒星，直径139万2000公里，是地球直径的100倍。
Mercury is the nearest planet to the Sun - during its orbit it is between 45.9 and 69.7 million km away.
水星是距离太阳最近的行星，它的轨道距离太阳4千5百90万公里至6千9百70万公里之间。
Mercury takes 59 days to make a rotation, but only 88 days to circle the sun.
水星自转一周要59天，而它绕太阳一圈只需要88天。
Venus is the nearest of all the planets to Earth in size， measuring 12,104 km accross its diameter. Venus is the brightest in the
在所有行星中，金星的大小和地球最最近，直径有1万2千1百零4公里。金星是天空中最亮的行星。
Mars is the nearest planet to Earth after Venus, and its temperature
火星是继金星之后距地球最近的行星，其温度是所有行星中最接近地球的，尽管它比地球冷很多。
Jupiter is the
木星是太阳系中最大的行星。它的重量是其它行星重量之和的两倍。
Saturn is the second beggest planet in the Solar System - 815 times as big in volume as the Earth, measuring 120,000 km around its equator. Saturn is the lightest in the solar system, it would float, if dropped in the water.
土星是太阳系中第2大行星，其体积相当于地球的815倍。
Uranus is the seventh planet out from the Sun. Its orbit keeps it a distance of 1786 million km away on average and takes 84 years to complete.
从太阳往后数，天王星排第7位。它的轨道距太阳平均17亿8千6百万公里。它环绕太阳运行一圈要84年。
Neptune is the eighth planet out from the Sun, varying in distance from 4456 to 4537 million km.
海王星（距太阳最远）排第8位，距离太阳从44亿5千6百万公里到45亿3千7百万公里不等。
Neptune was discovered in 1846, it still has yet to make a complete arbit around the sun.
海王星是1846年发现的，它至今还在做围绕太阳的第1次运转。
Pluto was once a memeber of the planets
冥王星曾经属于行星
Pluto was the last of all the planets to be discovered. Astronomers were searching for a giant planet beyond Neptune, but found tiny pluto. But it was taken out of the planets in August (Aug.) 24, 2006. Now there are only 8 planets left.
冥王星曾经属于行星，是天文学家在寻找海王星后的一个巨大的行星时发现的。但2006年8月24日，从行星中除名，现在我们只剩下8大行星。
Pluto's orbit sometimes brings it closer to the sun than Neptune.
冥王星的轨道有时比海王星距离太阳都近。
生词和短语
----------------------------------------------------------------------------------------------
the Solar System 太阳系 solar 太阳的、日光的 sun 太阳 planet 行星 moon 卫星、月亮 make/made up of
----------------------------------------------------------------------------------------------
The Solar System Q & A
问答太阳系
Q-1：What is the Solar System
太阳系是由什么组成的？ 它的中心又是什么？
A：The Solar System is made up of the Sun, the 8 planets and their 135 known moons, asteroids, comets, dust and gas. The center of the Solar System is the Sun.
太阳系由8个行星以及它们已知的135个卫星，小行星，彗星，星尘和气体组成。太阳系的中心是太阳。
Q-2：Which planet is the nearest to the sun? And Which is the farest?
哪颗行星离太阳最近，哪颗又最远？
A：Mercury is the nearest planet to the Sun. Neptune is the farest.
水星是距离太阳最近的行星，海王星最远。
Q-3：How many days does it take Mercury to make a rotation, and how many days to circle the sun?
水星自转一周要多少天？绕太阳转一圈需要多少天？
A：Mercury takes 59 days to make a rotation, but only 88 days to circle the sun.
水星自转一周要59天，而它绕太阳一圈只需要88天。
Q-4：Which one of the planets is the neareast to Earth in size, and which is the brightest in the sky?
大小和地球最接近的行星是哪颗？ 哪颗又是天空中最亮的？
A：Venus is the nearest of all the planets to Earth in size， measuring 12,104 km accross its diameter. Venus is also the brightest in the sky.
在所有行星中，金星的大小和地球最接近，直径有1万2千1百零4公里。金星也是天空中最亮的行星。
Q-5：Which planet is the closest to the Earth's in temperature?
那颗行星的温度和地球最接近？
A：Mars's temperature is the closest of any of the planets to the Earth's, although it is much colder.
火星的温度是所有行星中最接近地球的，尽管它比地球冷很多。
Q-6：Which planet is the largest in the Solor Sytem?
太阳系中哪颗行星最大？
A：Jupiter is the largest planet in the Solar system - twice as heavy as all the other planets put together.
木星是太阳系中最大的行星。它的重量是其它行星重量之和的两倍。