1. What Is a Planet? : Is Pluto a Planet? A Historical Journey through the Solar SystemWeintraubDavid A
According to a recent YouGov poll, 35% of Americans think Pluto is not a planet. But they are all wrong—kind of. To get to the bottom of whether Pluto is a planet, I tracked down planetary scientist Dr. Will Grundy, and asked him: Is Pluto a planet or a
It contributes to the warming.答案：D 分析：答案:D 解析:细节理解题。根据第五段第一句 Observations of the thickness of Pluto's atmosphere in 2002 suggested the dwarf planet was warming even as its orbit took it further from the Sun. 可知,冥王星厚厚的大气层导致了冥王星变暖。故 D项正确。
Plutonian (Pluto, Ruler of Scorpio) If your dominant planet is Pluto, you are a Plutonian. You are not afraid of the dark side of life. Others may find you intimidating or fascinating. Either way, you leave an impact! You can be stubborn and even ruthless, but you have a strong sense...
It also has more than 80 known moons.Uranus is very cold. It is the first planet to be discovered by scientists.Neptune is blue in colour. It's the farthest planet from the Sun. The planet has strong winds.In fact, scientists saw Pluto as another planet in 1930. Pluto is small. It...
What is Mars' asteroid belt? The Planet Mars: Mars is often called the Red Planet because, even with the naked eye, it has a red glow in the night sky. The red colour of the planet is because of all the oxidized iron (rust) on the surface of the planet. ...
By most measures, Earth is small. The solar system's largest planet, Jupiter, could fit over 1,300 Earths inside it. But Earth isn't the smallest planet in the solar system; that title went to Mercury after Pluto was relegated to a dwarf planet in 2006. But are there even smaller pl...
Back-lit, blue-skied Pluto is still a planet in the heart, though not in official registers. (Image credit: NASA/New Horizons Team) Nine years ago, the International Astronomical Union established new criteria for determining what classifies as a "planet," a controversial move that officially...
I was intrigued to encounter for the first time the term “precovery”, which is when fresh information on astronomical objects is found in archive data and images that predates the actual discovery. As Stanley notes, for example, “Pluto was officially discovered in 1930, but astronomers diggin...
Venetia Burney and Pluto", in: What Planet is This? Archival URI: http://inamidst.com/notes/venetia Feedback? Your email address: (Feedback is moderated. Relevant feedback will be displayed below. The email addresses of senders are not revealed.)...