NanoAvionics to test its new sail in low-Earth orbit.To many, a solar sail may look like a giant solar panel... NanoAvionics to test its new sail in low-Earth orbit.To many, a solar sail may look like a giant ……

. similarDay 3Solar sail powers new  test craft (P6)Choose the best answer:3. What happened to Alai...;      D. similarDay 3Solar sail powers new  test craft (P6)Choose the best ……

travelNASA recently launched a new experiment in New Zealand featuring a new solar sail design... a new experiment in New Zealand featuring a new solar sail design that can power spacecraft using ……

accurate reading of the dwarf planet’s size.But, New Horizons can. The craft sent back data in recent...’s north pole, and that it could also be much larger than estimated.How did the craft get there?New ……

-- to be launched from Florida on July 30 -- cannot get too close to the giant furnace that powers the solar system. The sun's corona, the outer envelope, is at a temperature of 50,000 C or more ……

Q: What powers the International Space Station (国际空间站)?A. Solar panels (太阳能板).B. Human toilet waste (废物).C. Big batteries (电池).（答案见本期8版） ……

and will try her best to do more.Day3Plane flies on the rays of ... (P5)Choose the answer:1. Solar.... water2. Which of the following about Solar Impulse 2 is NOT true?A. It will go on a five-month trip ……

magical powers to help spirits find peace so they can pass on to the spirit world. Not all... as a young spirit guide named Kena. As a spirit guide, you need to use your magical powers to help ……

paper. Put the red one between two pieces of green craft paper. Make a few new holes.Cut a tree...纸片圣诞树What you needGreen and brown craft paper (手工纸)Red and yellow paperHole punch (打孔机)Needle (针 ……

Boats sail on the rivers, And ships sail on the seas; But clouds that sail across the sky Are prettier far than these. By C. G. Rossetti (English poet, 1830 – 1894) ……

, if it happened on Earth, could it have happened on Mars?" said Steve Squyres of Cornell University, New York...: Why explore Mars? Beyond Earth, Mars is considered the most likely planet in our solar system ……

journey. After 13 months, the American boy returned with a new world record: the youngest person ever to sail around the world. Zac grew up on a boat and learned how to sail when he was 4 years old ……

journey. After 13 months, the American boy returned with a new world record: the youngest person ever to sail around the world. Zac grew up on a boat and learned how to sail when he was 4 years old ……

. It will help China build a space station or travel to the moon. Its launch opens a new chapter in China... 15. The space craft has threemodules(飞船舱): theorbital module(轨道舱) where scientific experiments ……

. According to the New York Post, the next total solar eclipse will be on Aug 12, 2026. Lots of people in New York City watched a partial solar eclipse (日偏食) on April 8. A partial solar eclipse means ……