答案(1)planets(2)earth(3)environment (4)Scientists(5)system (6)yet 解析 (1)句意:火星是我们太阳系行星之一。 planet,n,星球。 beone of译为是… …之一,后面加可数名词复数。 (2)句意:月球离地球多远?earth,n,地球,moon为月球。 how far用来询问距离。 (3)句意:每个人都需要一个无污染的环境。
Astronomers are pursuing this idea right now. Many smaller outer solar system objects appear to have orbits that are aligned in certain mysterious ways; the simplest explanation is that their motions are influenced by another, as-yet-unseen large body that is many times the mass of Earth and o...
The many moons of Jupiter travel around the planet in different directions.Jupiter is the largest planet in our solar system. Over the years, scientists have found that Jupiter has its own small solar sys tem. Earth has one moon. Jupiter has at least sixteen and probably more....
Of course before people actually thought of the Earth as a planet, the "Classical Planets" used for astrology included the Sun and the Moon... so you might say that we had 7 planets (i.e. The Sun, Moon, Mercury, Venus, Mars, Jupiter and Saturn)....
They look smaller than the moon also because they are farther away from us. It's clear that big things will look smaller when they are farther, and small things look bigger when they are nearer. So far, we have traveled to many other planets in the universe. But scientists haven't ...
They look smaller than the moon also because they are farther away from us. It’s clear that big things will look smaller when they are farther , and small things look bigger when they are nearer. So far, we have traveled to many other planets in the universe. But scientists haven’t ...
How many moons would fit in the earth? The Moon: The moon is Earth's only natural satellite. It orbits the Earth once every 27.3 days. The rocks on the moon are similar to rocks on the Earth. There are various theories explaining how the moon came into existence. ...
In the huge universe,there is the Galaxy and many other galaxies.In the Galaxy,there is the Solar System and lots of other stars.In the Solar System,there is the sun,the earth and seven other planets.As we know,the eight planets go around their star---the sun.In our Earth-moon Syste...
The many moons of Jupiter travel around the planet in different directions.Jupiter is the largest planet in our solar system. Over the years, scientists have found that Jupiter has its own small solar sys tem. Earth has one moon. Jupiter has at least sixteen and probably more....
2. Who is the first man landing on the moon? Armstrong (America, 1969) Total lunar eclipse( 月全食) Total solar eclipse (日全食 ) Meteor rain (流星雨) : Brain Activity: Do you know each religion( 宗教) or culture has its own ideas about the beginning of the universe? Please give...