This Is Why Pluto Should Be Considered a Planet Again

///This Is Why Pluto Should Be Considered a Planet Again
pluto should be considered a planet

Credit: NASA/APL/SwRI

What is a planet? Where do we draw the line? I’m not sure, but I, for one, long for Pluto to be reclassified as a planet, just as Earth, just as Mercury and all other small heavenly bodies. Maybe this stems from childhood nostalgia when Pluto WAS included…and all was well in the solar system.

This week, for the first time, the NASA’s New Horizons Probe flew by Pluto, awakening a debate on the planet/dwarf planet argument.

The truth is, Pluto may be a dwarf planet as long as the current rules apply – this may never change. For instance, Pluto is much closer in size to other dwarf planets like Makemake and Eris. This is the surface argument by the IAU. There are other rules, however, more pressing factors, and these factors seem to point to contrasting beliefs and facts.

The three rules to becoming a planet

In 2006, the International Astronomical Union (IAU) decided to reclassify Pluto as a dwarf planet, on three terms: the object must orbit the Sun, the neighborhood of its orbit must be cleared of debris and it must be large enough that the force of its orbit has pulled the object into a round shape. Pluto failed on one aspect – its neighborhood is not clear of debris – being surrounded by ice and rock in the Kuiper belt. Here are the popular arguments in favor of Pluto as a planet. Included are the facts as well!

1. The size factor

So Pluto is small, but so is the Earth. At least in comparison with giants like Jupiter. If you paid attention to the mass of Earth and the mass of Jupiter, and then the mass of Pluto as opposed to the mass of Earth, you would be able to see an interesting comparison. The size of Earth compared to the size of Jupiter is very like the size difference between Pluto and Earth. So, how can we honestly use this as an indication? Who says how big we have to be in order to be part of the group? Sounds like unfair judgment to me! Size shouldn’t matter, remember… But I get it, we have to draw the line somewhere.

2. The unique factor

Pluto is in the Kuiper belt, I know. But it’s different than those other ice chunks and rocks. Pluto, Ceres, Eris and other dwarf planets are large enough for gravity to pull them into nicely formed round shapes. Pluto is also orbited by five moons, has a rocky core surrounded by an ice mantle and a thin atmosphere. With this being said, Pluto has more in common with planets in our solar system than objects in the Kuiper belt. To me, this is enough to include her into our group.

3. Position in Kuiper Belt

Because Pluto is part of the various ice and chunks of rock in the Kuiper belt, it’s considered a “non-planet”. According to the IAU, Pluto has not “cleared its neighborhood”. A funny thing about that is, the Earth gets hit with just as many asteroids and comets as Pluto. What’s the difference? Just like Ceres, now classified as a dwarf, was once considered a planet when discovered in the 1800s, Pluto has been reclassified by its neighbors. I guess this makes sense as a disqualifying factor or does it.

New Rules?

Phillip Metzger, planetary scientist at the University of Central Florida says,

“If we can move Pluto to another position, it could become a planet.”

David Aguilar of the Harvard-Smithsonian Center for Astrophysics says in contrast,

“If we can adjust the definition of planet, just slightly, then Pluto can be included in our solar system.”

This idea seems feasible and can be simplified. There are two types of planets: gas and rocky. Why not have a third type called dwarf planets, included into the larger scope of things. Now, that seems like a quick fix.

Are we going to keep flying by, staring at the beauty of Pluto while denying her right to be a planet of our solar system? Maybe we will and maybe, as of August 2015, we will have a change of heart, so to speak. We will soon know, and as for me, I’m rooting for Pluto and planet status! To heck with that ‘dwarf planet’ classification. Tis the time for equality, right!

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Sherrie

Sherrie is a freelance writer and artist with over 10 years of experience. She spends most of her time giving life to the renegade thoughts. As the words erupt and form new life, she knows that she is yet again free from the nagging persistence of her muse. She is a mother of three and a lifetime fan of the thought-provoking and questionable aspects of the universe.




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By | 2017-01-13T21:50:08+00:00 July 18th, 2015|Categories: Uncommon Science, Universe|Tags: , |17 Comments

17 Comments

  1. Chuck Hagaman July 19, 2015 at 10:13 am - Reply

    Excellent points and I would love to see Pluto welcomed back to the adult table as well. Changing scientific reality, once it has been voted upon, is never easy.

    • Docitha February 2, 2017 at 9:38 pm - Reply

      that doesn’t make any sense

  2. Jessica Wakefield July 21, 2015 at 12:51 pm - Reply

    Well pointed. Some of the reasons I didn’t know.

  3. Terry July 29, 2015 at 4:47 pm - Reply

    Nice article

    learning-mind

  4. The Name Jake January 8, 2016 at 10:56 pm - Reply

    nice

  5. Hello... It's me. January 27, 2016 at 4:40 pm - Reply

    Very detailed, maybe next time add in your opinion, it might even support your debate even more.
    P.S: Just my opinion, this article is amazing!

  6. sarah November 2, 2016 at 6:06 pm - Reply

    pluto should not be a planet

  7. danny January 18, 2017 at 5:45 pm - Reply

    wowwwwww very nice

  8. Meko January 25, 2017 at 6:46 pm - Reply

    Great article

  9. E February 3, 2017 at 5:14 pm - Reply

    If Pluto, Eris, and Ceres are all ‘unique’ from the other Kuiper Belt objects, and are all the same size, then they too must be planets, right?

  10. linkin coughdrop February 3, 2017 at 5:19 pm - Reply

    you should kms. dont let you’r meems b dreems

  11. F February 3, 2017 at 6:54 pm - Reply

    Pluto is named after the roman form of the Greek god of the underworld, Hades. Not a goddess, a god. Therefore, “she” is not a girl. Pluto is a guy. 🙂

  12. G February 3, 2017 at 6:56 pm - Reply

    pluto pluto pluto 😀 🙂 PLUTO PLUTO PLUTO 🙂 😀 😉
    pluto=planet
    PEACE OUT

  13. Guest February 9, 2017 at 4:22 am - Reply

    love it gave me a lot of info

  14. Player 1 February 9, 2017 at 7:28 am - Reply

    Viva La Pluto

  15. z February 26, 2017 at 2:34 am - Reply

    Pluto is named after roman god of the under world and greek god of under world Hades not a she
    Pluto is a planet People jesus!

  16. User$20 March 22, 2017 at 12:45 am - Reply

    DID YOU JUST ASSUME PLUTO’S GENDER?????

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This Is Why Pluto Should Be Considered a Planet Again