The planets have been around much longer than people.
It's natural. It was here on Earth long before people came along, and it's also present on planets where no people have ever been.
The Muslim Empire group charted the stars and planets.
Before you learn ANYTHING about planets, go fix your grammar and sentence structure.
there are 9 planets
the inner planets made up of rocks while the outer planets are made up of gases and liquids.
All the planets are made of "matter" and that has "mass".
Before the Renaissance, people believed the planets and the sun revolved around the Earth. During the Renaissance, Copernicus discovered and that the Earth and the planets revolved around the sun.
Type your answer here... all planets are made of gasses
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.
Ancient astronomers were able to observe the movements of the planets in the night sky, track their positions relative to the stars, and document their retrograde motion. They also noted patterns in the planets' movements and made connections between their positions and earthly events.
The planets Mercury, Venus, Earth, and Mars are made of rock.
They are made of less dense materials. While the inner planets are made primarily of rock, the outer planets are made mostly of hydrogen and helium.