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Because someone who was observing the sky realized that some of the heavenly bodies where moving at a diffrent rate and direction than the rest of the stars.

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14y ago

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What are Earth and the other planets closest to the sun are made mostly?

Earth and the other planets are mostly made of rock.


The planets where made before people?

The planets have been around much longer than people.


Is it true that Tycho Brahe came to the wrong conclusions about the motions of the planets?

As far as I know, Tycho Brahe made detailed observations of the planets' positions; he did NOT draw conclusions from that. Conclusions were drawn by other people, especially Kepler and Newton.As far as I know, Tycho Brahe made detailed observations of the planets' positions; he did NOT draw conclusions from that. Conclusions were drawn by other people, especially Kepler and Newton.As far as I know, Tycho Brahe made detailed observations of the planets' positions; he did NOT draw conclusions from that. Conclusions were drawn by other people, especially Kepler and Newton.As far as I know, Tycho Brahe made detailed observations of the planets' positions; he did NOT draw conclusions from that. Conclusions were drawn by other people, especially Kepler and Newton.


Are otter planets made out of gas?

i think the question is " are other planets made out of gas" because as far as i know there are no otter planets, although that would be cool. not all planets are made out of gas, some are gas though. neptune is a gas giant, that's just one example though


Do other planets exists?

Yes, other planets do exist in our galaxy and beyond. There are thousands of confirmed exoplanets that have been discovered orbiting other stars in the Milky Way galaxy. Some of these planets may have conditions that could potentially support life.


Why do you think there is no life in other planets?

Someone who thinks there is no life on other planets might say.... # we haven't found any on the planets we've looked at so far # we haven't found any electronic signals from any space object which might have non-natural causes # no non-earth life form has made itself known to us Other people think that it is most unlikely (given the incredible number of stars on the known universe) that we are on the only planet which supports life.


What is the atmosphere of other planets made up of?

cells


Why are some planets bigger than other?

because when god made the planets he made explosions everywhere to make planets. some explosions were bigger than others.


How is the sun and planets different?

The sun is a star and the planets are made out of gas and all other things.


What is the inner cor made of?

it is made of lava like all the other planets


What are tiny building blocks of planets?

Just like many other things, planets are made out of atoms.


How the inner planets are similar to each other?

The four inner planets are all made of rock or are rock based but the four outer planets are all made of gas or gas based.