根据2006年08月24日国际天文学联合会大会的决议：冥王星被视为是太阳系的"矮行星",不再被视为行星。冥王星的半径是2000公里,还没有地球的卫星月球大,如果它要算的话就要加入月球了.数十年来，科学家普遍认为太阳系有九大行星，但随着一颗比冥王星更大、更远的天体的发现，使得冥王星大行星地位的争...
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 ...
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.”...
根据第一段第二句“Until 2006 it was thought to be the ninth planet in the solar system. (直到2006年,它被认为是太阳系的第九个行星。)”第三段第一句“According to this idea, Pluto is not a planet, but is just another Kuiper Belt object.(根据这个观点,冥王星不是行星,只是柯伊伯带的另一...
In 2006, the International Astronomical Union (the world body that names the contents of the universe) demoted Pluto to a Dwarf Planet because it really does not match the other eight planets. It’s far smaller, with only 4% the mass of even tiny Mercury. ...
"Pluto is not a planet," Brown said. "There are finally, officially, eight planets in the solar system." The vote involved just 424 astronomers who remained for the last day of a meeting of the International Astronomical Union (IAU) in Prague. "I'm embarassed for astornomy," said Alan...
Mike Brown also chimed in. "So, hey, Pluto is still not a planet. Actually, never was. We just misunderstood it for 50 years. Now, we know better. Nostalgia for Pluto is really not a very good planet argument, but that's basically all there is. Now, let's get on with reality,...
The article discusses the impact on astrology of the decision by the International Astronomical Union (IAU) general assembly, which met in Prague during the week of August 21, 2006, that Pluto is not a planet. The impact of the demise of Pluto's planetary status on horoscopes and astrology ...
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“This is a fantastic discovery,” said New Horizons’ principal investigator Alan Stern. “Now that we know there’s another moon in the Pluto system, we can plan close-up observations of it during our flyby.” Despite the decision to remove Pluto’s “planet” status in 2006, scientists...