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What else can I help you with?
How many true planets are in our solar system Explain why.?
8 It's arbitrary, by the definition of "planet".
What are the satellite planets?
By definition planets orbit a star and satellites orbit a planet. Therefore there are no satellite planets.
What planet has the most planets?
Planets don't have planets. The Sun has planets, and planets have moons.Dwarf planets might orbit around each other, but this answer uses the correct definition of the term planet, which does not include Pluto or Charon.
How many planets were there in 1825?
The number of planets has not changed. Our (human) awareness of the planets has changed over time and the definition of "planet" has changed recently. Neptune is the only planet (today's definition where Pluto is not a planet) which was discovered after 1825 (Uranus was discovered in 1781 by Sir William Herschel).Neptune was predicted and observed by John Couch Adams in 1846 (and independently by Urbain Jean Joseph Le Verrier).
How and why did the definition of a planet change?
They found a whole batch of "minor" planets in the Kuiper Belt.
Why are there eight planets in the solar system?
There were nine planets. Then astronomers got together and decided what to do with Eris, a dwarf planet that was discovered. They decided to make a definition for what is a planet. That led to Pluto being demoted to a dwarf planet.
How many planets are there to discover?
there are billions.. because the true definition of planet is every thing that floats and wandering around the universe or surrounding the sun is considered a planet.. but if you are talking about planets in our Solar System, there are 8 Pluto is just a former member of the solar system.
What is it called when the planets are orbiting the sun?
Umm... normal? Because that's part of the definition of "planet".
Are any planets square shaped?
NO. It's part of the definition of a planet that it has to be spherical, more or less.
Is mars the only elliptical planet?
I don't know what "elliptical planet" is supposed to mean, but by any reasonable definition I can think of, no, all planets are "elliptical planets".
What is Neptune's definition?
Neptune is mostly define as the eight planet from the Sun. Among the planets in the Solar System, Neptune is the coldest.
How many main planets are in the solar system?
By the current definition of a planet, adopted in 2006, there are eight major planets that we currently know about. In order: Mercury, Venus, Earth, Mars, Jupiter, Saturn, Uranus and Neptune.
