Reviews the different characteristics of inner and outer planets.
Connect your daily life experiences with specific points in a reading using a Double Entry Diary.
At the time the solar system formed, ices and gases were stable farther out from the sun but not closer in. The line separating these two regions is called the frost line.
Learn about how in other solar systems, planets like our own planet Jupiter orbit so close to their star that they are scorching hot and why our Jupiter is much further from the sun.
An introduction to the solar system and the parts of the solar system.