There are 23 planets in the Solar System.

You liked this statement, didn’t you? 

It would be true if we were talking about it in the past. But wait, let us go from the very beginning.

At first, there were just five planets: Mercury, Venus, Mars, Jupiter, and Saturn. Why? Because they can be seen with the naked eye. Pay special attention: Earth was not among them. That’s because it wasn’t moving. It was standing on the backs of elephants standing on the back of a giant turtle. What a story, Mark! But if you didn’t believe that story, you could easily end your life at the stake.

After the heliocentric system became more and more popular and the horror of stakes remained in the past, people started to look for something else orbiting our Sun. A lot of telescopes were built, but I will not tell you about them today because some of them deserve their own posts, as well as their creators.

The first non-naked-eye planet discovered was Uranus (1781), and then… Ceres, Pallas, Juno, Vesta, Astraea (1801-1845). WTF? – You probably want to ask me. Keep your WTF for the next sentence – I’ll answer.

First, let’s take a little break with Neptune in 1846 and then… Hebe, Iris, Flora, Metis, Hygiea, Parthenope, Victoria, Egeria, Irene, Eunomia (1847-1851).

Then astronomers probably gathered and said to each other: ‘We can proceed like this for eternity. Let’s stop, guys. Just let us stop.’ And they stopped. In 1854, the conception of asteroids was widely spread, and the number of planets dropped from 23 to 8.

Then in 1930 Pluto was discovered, and here you have 9 of them. 

In 2006, Pluto was thrown out, oh, no, not from the Solar system, just off the list of planets. And here you have 8 of them. 

And now Pluto is a planet again, and here you have 9 of them. 

And nope, astronomers are not so indecisive like your ex! It’s just that celestial bodies categorizing is not such an obvious thing. No one doubts Jupiter is a planet, but what’s wrong with Pluto… Ok, I will tell you later because I have a giant post today.

Are you okay with these numerous changes? I am. For me, this story is about science which takes into consideration new observations and changes.

And that’s good, very good, in my opinion. Not good is to put those begging for changes on stakes.

What do you think about it? Share your thoughts in the comments. As usual, reading them is a great pleasure for me.

In my science fiction novels and stories, science is not something that was done long ago, and now my heroes live in a stable world with constant rules. They also change their world, making outstanding discoveries. The most brilliant technology (ability to give material objects to each other during the controlled dreams) appears in the eyes of readers. And I’m very, very proud of my heroes who do that.