. their experiments failedA red but also a dull planet (P8)Fill in the blanks:Davey Martin's family moved ……

. They are in a spaceship.Peter sees a(n) _______ planet (星球). Everything on this planet is red. Look at the _______ and the _______. They are all red.Billy sees another planet. Everything on this planet is yellow. The sky ……

(峡谷). Earth is a blue planet and Mars is a red planet. It is red because it is covered by (被覆盖) red soil (土壤) and rocks. The soil is rich in (富含) iron (铁). This makes Mars look like a red ball ……

is a blue planet and Mars is a red planet. It is red because it is covered by (被覆盖) red soil (土壤) and rocks. The soil is rich in iron (铁). This makes Mars look like a red ball of iron.Mars vs EarthMars ……

of water on the red planet.Relieved NASA scientists, who saw their last two missions to Mars both end... the chemical and mineral composition of the red planet. Scientists will be looking carefully to find ……

51. He is brave3 and confident (自信). On Planet 51 he meets many troubles. But he also makes friends..., but also green blood4. They love their planet very much. They have a green army (军队) to protect5 ……

. Its name comes from the Roman god (罗马天神) of war. *People also call Mars the “red planet” because there is red dust on Mars. When it is windy, the sky is almost red.The red planet is the closest ……

) of war and farming. People also call Mars the “red planet”. Mars is the closest planet to Earth... Teens and explore (探索) this amazing red planet.As a neighbor to Earth, Mars is very interesting ……

heat well, thanks to its dense (浓密的) CO2, a greenhouse gas. The red light from the star would also...THE planet Gliese 581d, is 20 light-years away. Last week scientists declared (声明 ……

知识我知道1. Mars has another name: Red Planet. That’s because of its red soil and rocks. Can you believe that? The sky on Mars is also red. 2. Mars is about half the size of Earth. One day on Mars is 24 hours ……

a breathtaking seven minutes, NASA’s Perseverance rover landed on the Red Planet safely. It has... a breathtaking seven minutes, NASA’s Perseverance rover landed on the Red Planet safely ……

WASHINGTON: The US Mars Odyssey spacecraft has detected water ice under the surface of the red planet, according to scientific papers to be published this week. This finding could be a giant step ……

, India is one of the most colorful places on the planet. People there celebrate Holi festival. It means... of the most colorful places on the planet. People there celebrate Holi festival. It means the beginning ……

木星的“眼睛”快要不见了What is the largest planet (行星) in the solar system (太阳系)? It is Jupiter (木星)! It is as big as 1,321 Earths.When you look at pictures of Jupiter, you can see the Great Red Spot (大红 ……

阅读时间 7分钟   测试见IV版For decades, Mars, also known as the Red Planet, has been an attraction...) into mysteries of the Red Planet.For decades, Mars, also known as the Red Planet, has been an attraction ……