After Pluto(冥王星) was found in 1930,people took it as the ninth planet in our solar system. But it isn't like other planets. It is smaller and has a strange orbit(轨道). On August 24,2006, scientists said,“Pluto is not a planet. "About 2, 500 scientists met in Prague. At ...
Passage 53① After Pluto(冥王星) was found in 1930, people took it as the ninth planet in our solarsystem(太阳系). But it isn't ike other planet. It is smaller and has a strange orbit(轨道). OnAugust 24, scientists said, “Pluto is not a planet. About 2, 500 scientists met in...
任务型阅读. ①After Plutowas found in 1930,people took it as the ninth planet in our solar system.But it isn't like other planets.It is smaller and has a strange orbit.On August 24,scientists said,“Pluto is not a plane. About 2,500 scientists met
① After Pluto ( 冥王星) was found in 1930, people took it as the ninth planet in our solar system(太阳系). But it isn’t like other planets. It is smaller and has an strange orbit(轨道). On August 24,2006, scientists said,“Pluto is not a planet.”...
Pluto was the ninth planet in our solar system for 76 years, from its discovery in 1930, by Clyde Tombaugh, to its reclassification as a “dwarf planet” in 2006 by the International Astronomical Union (IAU). The search for Pluto began much earlier, in 1906, when Percival Lowell founded ...
Is Pluto a Planet?Though small and very far from the Earth, we've always thought of Pluto(冥王星) as the ninth planet in our solar system; however, there has beendebate among astronomers about Pluto's validity as a planet.Most people do in fact consider it a planet thinking t bizarre ...
The ninth planet is called Pluto. Pluto is very small,and it is much more rocky than the gas giants. Some scientists believe that the Pluto is not really a planet at all. They suggest that the Pluto is the largest of many asteroids that are found at the edge of the solar system. The...
Our solar system is located in the Orion arm of the Milky Way galaxy. It has eight planets, each of which orbit the sun at the center of the solar system. Pluto was once thought of as the ninth planet. However, discoveries lead to a change in the definit
Could our solar system have a ninth planet? We hope to know the answer in the near future. From the first paragraph, we can know Pluto . A. is called planet Nine B. was a planet years ago C. travels around the earth D. is in the centre of the solar systemScientists think Planet ...
The ninth planet is called Pluto. Pluto is very small,and it is much more rocky than the gas giants. Some scientists believe that the Pluto is not really a planet at all. They suggest that the Pluto is the largest of many asteroids that are found at the edge of the solar system. The...