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Tycho Brahe
Johannes Kepler whose new theory was published in 1609.
The only planet whose name in English is not derived from Greek or Roman mythology is Earth.
No. The estimated age of the sun and planets is somewhere less than 5 billion years, whereas we can see objects in the universe whose age is estimated at 13.5 billion years.
No, a dwarf planet is not a moon. A moon is a body which orbits a large body. However, dwarf planets don't orbit any larger bodies and just orbit the sun in their solar system. Most dwarf planets are failed planets that were forming, but were to close to a gas giant whose gravity messed up the formation of the planet.
Isaac newton :)
Isaac newton :)
Nicolaus Copernicus
Volcanism can only occur on planets with a liquid mantle.
Solid or terrestrial planets are those whose primary mass is land. The terrestrial planets in the Earth's solar system include Earth, Mercury, Venus, and Mars.
Though Saturn is the only planet whose rings are spectacularly visible, there are three other planets who have faint traces of rings around them. They are Neptune, Uranus and Jupiter.
The four planets whose orbits are nearest the sun are all rocky planets. They include Mercury, Venus, Earth and Mars.
None in our Solar System. Outside of it, there are a bunch of planets whose name starts with "K2", or with "Kepler", or with "KELT". Check the Wikipedia article "List of exoplanets (full)" for the complete list.
Mercury, whose year is about 88 Earth days.
atmosphere is made up of gases in all planets. But if you mean planets that are mostly atmosphere, then those are gas giants (Jupiter, Saturn, Neptune, Uranus)
The 8 planets of the solar system have been observed since ancient times and were named long ago, by people whose names are not recorded by history.
There are no planets that cross the earth's orbit. Pluto (dwarf, or minor planet) and Neptune are the only planets whose orbits cross. However there are over 100 asteroids (minor planets) that cross the earth's orbit.