It is our sun and the (1)___(行星) that travel around it.The sun is in the centre of it and its (2)___(形状) looks like an egg. Our solar system (3)___(包括) the sun,Mercury,Venus,Earth,Mars,Jupiter,Satum,Uranus and Neptune.Our solar neighborhood is an exciting place....
(五)What is the solar system? It is our sun and other 1. planets(行星) that travel around it. The sun is in the centre of it and its 2. shape(形状) looks like an egg Our solar system 3. includes(包括) the sun, the Mercury, Venus, Earth,Mars, Jupiter, Saturn, Uranus and ...
What the solar system is made ofCox, Tony
Along with the development of society, more and more problems are brought to our attention, one of the most serious issue is the gray population. Nevertheless, the significance of elderly people in society cannot be overstated. A...
How did the solar system form? What is solar nebula? What is the planet Ceres? Which of the Solar System's gas planets have rings? Which planets have magnetic fields in the solar system? What is the closest planetary system to Earth?
B.It is attracting more new stars to its edge.C.It is losing a 10billionyearold round flat star.D.It is slightly accelerating toward the galactic center. 相关知识点: 试题来源: 解析 D 1. **选项A分析**:太阳系的规模主要由行星轨道范围决定,目前没有科学依据表明太阳系整体正在缓慢膨胀。行星...
2. **B. what**:可作为关系代词,引导宾语从句,同时相当于“the thing(s) that”,既能连接主从句,又可充当从句中“made up of”的宾语(即从句完整为“what the solar system is made up of”),符合语法需求。 3. **C. as**:无引导宾语从句的功能,且无法补全从句成分,故排除。 4. **D. which**...
But space has remained resolutely silent. Scientists have sent probes to the very edges of our Solar System.但太空一直坚决地保持着沉默。科学家们已经向太阳系的边缘发射了探测器。But all they have sent back have been images of planets inimical to life. Over the last 25 years, however, ...
Ptolemy discovered that the planets within the Solar System had a unique pattern of motion as they traveled across the sky. Unlike other objects in...Become a member and unlock all Study Answers Start today. Try it now Create an account Ask a question Our experts can answer your tough ...
When we come up with a scenario, we get a shiver of excitement, thinking that maybe we've got close to what actually happened. Planetologists start from the present position of the planets, attempting to hypothesise a scenario of the Solar System's formation with the help of computer ...