Worksheets About Pluto
Pluto, once considered the ninth planet in our solar system, is a fascinating entity that continues to captivate both children and astronomy enthusiasts alike. Whether you're a teacher searching for educational resources or a parent looking to engage your curious child, worksheets about Pluto can provide the perfect subject for a comprehensive and enjoyable learning experience.
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What is Pluto?
Pluto is a dwarf planet located in the outer regions of the solar system, beyond the orbit of Neptune. It was reclassified from a planet to a dwarf planet in 2006 due to its small size and orbital characteristics. Pluto is known for its icy surface and its largest moon, Charon, which is unusually large compared to the size of Pluto itself.
When was Pluto discovered?
Pluto was discovered on February 18, 1930, by American astronomer Clyde Tombaugh at the Lowell Observatory in Flagstaff, Arizona.
How far is Pluto from the Sun?
On average, Pluto is about 3.67 billion miles (5.9 billion kilometers) away from the Sun. However, because Pluto follows an elliptical orbit around the Sun, its distance can vary significantly from this average value.
What is the size of Pluto?
Pluto has a diameter of approximately 1,473 miles (2,370 kilometers), making it significantly smaller than Earth's moon.
What is the composition of Pluto's atmosphere?
Pluto's atmosphere mainly consists of nitrogen (N2), along with smaller amounts of methane (CH4) and carbon monoxide (CO). Additionally, there are trace amounts of other gases such as ethane (C2H6) and nitrogen-rich compounds. The atmosphere is very thin compared to Earth's and composed of mostly low-density gases.
Does Pluto have any moons?
Yes, Pluto has five known moons. These moons are Charon, Styx, Nix, Kerberos, and Hydra. Charon is the largest and closest moon to Pluto, while the others are much smaller and more distant. Pluto’s moons were discovered between 1978 and 2012 through observations by various telescopes and spacecraft.
What is the surface temperature of Pluto?
The surface temperature of Pluto ranges from around -375 to -400 degrees Fahrenheit (-225 to -240 degrees Celsius), making it one of the coldest places in our solar system.
What is the average distance between Pluto and Earth?
The average distance between Pluto and Earth is approximately 3.67 billion miles or 5.91 billion kilometers.
How long is a day on Pluto?
A day on Pluto, also known as its rotational period, is about 6.4 Earth days long. This means that it takes approximately 6.4 Earth days for Pluto to complete one full rotation on its axis.
Why was Pluto reclassified as a dwarf planet?
Pluto was reclassified as a dwarf planet in 2006 by the International Astronomical Union because it did not meet all the criteria to be considered a full-fledged planet. One of the main reasons was that Pluto did not clear its orbit of other debris, unlike the eight recognized planets in our solar system. As a result, it was designated as a dwarf planet, a new category that includes Pluto and other similar-sized celestial bodies.
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