19 of them are large enough to be gravitationally rounded.
Satellites of our solar system.
The eight planets can be divided into two distinct categories on the basis of their densities mass per unit volume.
Water has a density of 1 gram per cubic cm.
And vast reaches of highly tenuous gas and dust known as the interplanetary medium.
Welcome to nasa s eyes a way for you to learn about your home planet our solar system the universe beyond and the spacecraft exploring them.
Solar system solar system planets and their moons.
Most orbit the giant planets with saturn and jupiter leading moon counts but even smaller worlds like pluto can have five moons in orbit.
Moons come in many shapes sizes and types.
In the solar system there are six planetary satellite systems containing 205 known natural satellites.
Sun is considered.
Below is a list of artificial objects leaving the solar system all of these objects are space probes and their upper stages launched by nasa.
Of the major spacecraft voyager 1 voyager 2 and new horizons are still functioning and are regularly contacted by radio communication while pioneer 10 and pioneer 11 are now derelict.
Four iau listed dwarf planets are also known to have natural satellites.
Pluto haumea makemake and eris.
The earth moon system is unique among planetary systems in that the ratio of the diameter of the moon to.
This simulated view of our solar system runs on real data.
Comets and other icy bodies.
Of these all are covered by a crust of ice except for earth s moon and io.
As of september 2018 there are 334 other minor planets known to have moons.
The exploration of these moons is one of the pinnacle achievements in the space program.
Countless asteroids some with their own satellites.
There are more than 200 moons in our solar system.
Iapetus small moon of saturn is just one example of the moons that cassini has visited up close during its decade long sojourn in the outer solar system.
This digital orrery a model of the solar system runs on a light mobile mobile friendly version of nasa s eyes on the solar system software.
Several of the largest ones are in hydrostatic equilibrium and would therefore be considered dwarf planets or planets if they.
In addition to these spacecraft some third stages and de spin.
8 planets with about 170 known planetary satellites.
The position of the planets moons and spacecraft are shown where they are right now.
Planets and asteroids in our solar system orbit the sun.
With applications for mac and pc as well as apps for mobile devices there are many ways for you to follow along with our scientists and engineers.
Solar system assemblage consisting of the sun and those bodies orbiting it.
The solar system consists of the eight planets that orbit our sun and other celestial bodies such as moons comets asteroids minor planets and dust and gas.
Let s consider the satellites or moons of the planets in particular in the outer solar system.
