2 or 3
Our solar system has eight known planets. Before 2006 the system was considered to have nine; Pluto got demoted to a minor or dwarf planet.
37.5% not including PlutoFirst Answer:50% including Pluto.Second Answer:Of the eight planets in our solar system, three are smaller than earth. 3/8 = 38%.However, we also know (to date) of more than a thousand other planets, orbiting distant stars. None of these planets so far is smaller than earth, but that it because planets as tiny as ours are difficult to detect. We expect probably half of all planets would be our size or smaller.
There are two types of planets in the solar system. These are, the smaller, rocky planets, which are Mercury, Venus, Earth, and Mars, and the gas giants, which are Jupiter, Saturn, Uranus, and Neptune.
Mercury and Mars are the only planets smaller than Venus.
Of the seven other planets that orbit the sun, three are smaller than Earth and four are larger.
Pluto is not a planet so that would be Mercury is 13.72% smaller. Venus is 0.23% smaller. Mars is 9.42% smaller. So that means 3 planets are smaller than Earth.
Nicolaus Copernicus is famous for his heliocentric theory, which proposed that the Sun, rather than the Earth, is at the center of the solar system, with the planets, including Earth, orbiting around it. This theory revolutionized our understanding of the universe and laid the foundation for modern astronomy.
Earth and Mars are planets, not stars. Stars are massive celestial bodies that generate light and heat through nuclear reactions in their cores, while planets are smaller bodies that orbit stars. Earth and Mars are both planets in our solar system that orbit the Sun.
the planet which is closest to the sun in the soloar system is Mercury, then Venus, Earth, Mars,Jupiter, Saturn, Uranus and then Pluto. an easy way to rember it is My Very Easy Method Just Speeds Up Naming Planets!!
No. Planets look smaller than the sun because they actually are smaller.
Jupiter, Saturn, Uranus and Neptune are much larger than earth. Venus (slightly), Mars (by half) and Mercury are smaller than earth.
The astronomical system of Ptolemy, in which the earth is at the center of the universe with the sun, moon, planets, and stars revolving about it in circular orbits.Ptolemaic system Ptolemy believed that Earth was at the center of the universe and that the Sun and planets orbited Earth (with the planets also moving in smaller circles called epicycles). In this system, the centers of Mercury's and Venus's epicycles always lie on the line shown in the diagram between the Earth and the Sun.