[DOC] [TLE] Solar System Planets: Order of the 8 (or 9) Planets - Space.com [PAR]  [DOC] [TLE] The Planets in Our Solar System in Order of Size - Universe Today [PAR] As larger balls of matter formed, they swept the smaller particles away and ... That 
led to the birth of Earth and the other eight planets in our Solar System. ... This 
began with finding massive planets many times larger than Jupiter, and then... [DOC] [TLE] What Are The Diameters of the Planets? - Universe Today [PAR] Jun 21, 2016 ... The planets of our Solar System vary considerably, with some being a fraction of 
Earth's diameter, and others many times its size. ... they are comparable in 
diameter to some of our larger moons  i.e. Mercury is smaller than... [DOC] [TLE] How many planets in the solar system are smaller than EARTH ... [PAR] Jul 17, 2008 ... Source(s): planets solar system smaller earth: https://shortly.im/C1f8o ... as a 
planet, there are 4 planets smaller than Earth in our solar system. [DOC] [TLE] Solar System Planets: Order of the 8 (or 9) Planets - Space.com [PAR] Jan 22, 2016 ... [The Evidence for 'Planet Nine' in Our Solar System (Gallery)] Here's the order of the planets, starting nearest the sun and working outward through the solar system: Mercury, Venus, Earth, Mars, Jupiter, Saturn, Uranus, Neptune  and Planet Nine. [DOC] [TLE] Smallest and Largest Planets in the Solar System - Sky & Telescope [PAR] Jul 15, 2014 ... The smallest and largest planets in our solar system are Mercury and Jupiter, respectively. The smallest planet in regards to both mass and volume is Mercurythis tiny world is nearly 20 times less massive than Earth, and its diameter is about times 2  smaller. [DOC] [TLE] Planets of our Solar System :: The Planets Today [PAR] A description of each of the solar system planets and the history of our 
knowledge of them. ... As it orbits, Venus comes closer to Earth than any other 
planet in the solar ... very nearly the same size as Earth (1000km smaller), and 
has 80% of Earth's ... During the 70's and 80's many more missions were sent to 
the planet with... [DOC] [TLE] Size of Planets in Order  Diameter of Planets Comparison ... [PAR] The planets in our solar system are each very unique for various reasons. When 
it ... Mercury, on the other hand, is 2.6 times smaller in diameter than the Earth. ... 
Neptune, often described as Uranus's twin planet due to their many similar... [DOC] [TLE] Planet Facts: Interesting Facts about the Eight Planets [PAR] Our solar system has eight planets: Mercury, Venus, Earth, Mars, Jupiter, Saturn, 
Uranus ... At a tiny fraction of the mass of Mercury, Pluto was clearly a body much 
smaller than any other planet. ... How many planets are in the Solar System? [DOC] [TLE] Solar System - Wikipedia [PAR] The known Solar System also lacks super-Earths (Planet Nine could be a super-
Earth beyond the known ... Also, these super-Earths have closer orbits than 
Mercury. ... Compared to other systems, they have smaller ... interactions of a 
quite high number of planets,... [DOC] [TLE] Comparing the 9 Planets of Our Solar System [PAR] Venus, the second planet away from the Sun, is Earth's closest neighbor. ... 
Europa, Callisto, and Ganymede) plus many more small ones some of which 
have not ... Neptune is slightly smaller than Uranus, with a diameter of 49,500 
kilometers. [DOC] [TLE] 10 surprises about our solar system | Science Wire | EarthSky [PAR] Apr 19, 2016 ... One AU is the distance from the sun to the Earth, which is about 93 million ... 
Many people know that Mercury is the closest planet to the sun, well less than ... 
of the U.S. Certainly in size it is much smaller than any major planet,... [DOC] [TLE] Every planet in our solar system can fit BETWEEN Earth ... - Daily Mail [PAR] Oct 27, 2014 ... How many planets can you fit between Earth and

Question: The number of planets in our solar system smaller than the Earth
Answer: 4