14 Fun Facts About Dwarf Planets: A 15-Minute Book
By
Jeannie Meekins
Published by
LearningIsland.com
$0.99
Rating:
Not yet rated.
Published: Dec. 02, 2012
Words: 2,558 (approximate)
Language: English
ISBN:
9781301006083
Short description
More space objects have been found beyond Pluto, in a region known as the Kuiper Belt.
In 2003, Eris was discovered and found to be larger than Pluto. It was put forward as a tenth planet. This caused much debate among astronomers. Are there more, larger objects in our solar system? How many? Are they all to be considered planets? Find out more about dwarf planets and how they came to be.
More space objects have been found beyond Pluto, in a region known as the Kuiper Belt.
In 2003, Eris was discovered. Its existence was confirmed in January 2005. It was found to be larger than Pluto and was put forward as a tenth planet in our solar system.
This caused much debate among astronomers. Are there more, larger objects in our solar system? How many? Are they all to be considered planets? If not, then what does this mean for Pluto?
On August 24, 2006, the International Astronomical Union (IAU) came up with a scientific definition of the word “planet”. Pluto did not fit these new rules. It was downgraded to “dwarf planet”.
The IAU is reluctant to consider any more than eight planets in our solar system. All other planet-like bodies are to be known as “dwarf planets”. (Read more)
More space objects have been found beyond Pluto, in a region known as the Kuiper Belt.
In 2003, Eris was discovered. Its existence was confirmed in January 2005. It was found to be larger than Pluto and was put forward as a tenth planet in our solar system.
This caused much debate among astronomers. Are there more, larger objects in our solar system? How many? Are they all to be considered planets? If not, then what does this mean for Pluto?
On August 24, 2006, the International Astronomical Union (IAU) came up with a scientific definition of the word “planet”. Pluto did not fit these new rules. It was downgraded to “dwarf planet”.
The IAU is reluctant to consider any more than eight planets in our solar system. All other planet-like bodies are to be known as “dwarf planets”.
How much do you know about these dwarf planets? Do you know:
What is a plutoid?
How many official dwarf planets are there in our solar system?
Are all the dwarf planets out beyond Pluto?
How big does an object need to be to qualify as a dwarf planet?
What other rules must an object meet to be classified as a dwarf planet?
Find out the answers to these questions and more and amaze your family and friends with these fun facts.
Ages 8 and up.
All measurements in American and metric.
LearningIsland.com believes in the value of children practicing reading for 15 minutes every day. Our 15-Minute Books give children lots of fun, exciting choices to read, from classic stories, to mysteries, to books of knowledge. Many books are appropriate for hi-lo readers. Open the world of reading to a child by having them read for 15 minutes a day.
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Tags
trivia,
pluto,
solar system,
ceres,
eris,
14 fun facts,
15 minute book,
dwarf planets
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