People who study the sky continually over a number of nights can see the planets have moved.
Copernicus, with the use of the heliocentric theory and Galileo with his telescope proved the planets revolve around the Sun.
The observation about gases that proved molecules can move is their compressibility. This is further corroborated by the Brownian Motion theory.
It is verified by GPS.
The mass and weight of the object classifies the object as a planet. For example Pluto's mass and weight proved to be too small for a planet therefore, it classifies as a dwarf planet.
Well it means to move a planet
Well it means to move a planet
8, it used to be 9 recently but Pluto was proved not a planet based on some things.
An alien is from a different planet and scienctists have proved that every planet except Earth have no living sources and do not orbit around the sun fast enough so if they are not reall they could not visit us.
The planets move in an act of gravity
that protons can ,move to one electron to the other
Sedna is a dwarf planet. It is to far away to be one of plutos moons and is proved to orbit the sun
He proved that steamboats could move people and goods quickly and cheaply. He also proved that steamboats were an easier way to travel upstream.