Recently have been binge-ing on planets and cosmos, and I saw this youtuber mentioned that we might discover the next planet after Neptune.
However from my understanding, humanity has discovered black holes, magnetars, stars and so on that are hundreds, thousands or even more than that in terms of the measurement of light years.
Our solar system is not in the measurement of light years, yet we can’t discover the next planet after Neptune. Why ?
In: Technology
The only things we actually see far away from us is stars. Lots and lots of stars. Sometimes there’s a giant cluster of stars outside our galaxy, and that’s another galaxy. Sometimes, we look at stars closer to us, and see a shadow in front of them. That’s a planet passing by.
Within our solar system, faraway objects are much harder to spot as they get further from the sun. Less and less light reflects off the planet and less and less light makes it back to Earth for us to see.
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