Our solar system formed about 4.5 billion years ago from a dense cloud of interstellar gas and dust.
Read much more with this app and see the illustrations.
Did you know in 1543 Nicolaus Copernicus publishes his theory of heliocentrism, a model that places the sun at the center of the known universe with the planets orbiting in circle around it?
And in 1781 William Herschel extends the solar system by telescopically discovering a new planet, later named Uranus.
Now you can explore our solar system with this app.