Astronomy and astrology were often practiced together in ancient cultures, and astrology played an important role in the historical development of astronomy.

A situation in which one object’s orbital period is a simple ratio of another object’s period, such as 1/2, 1/4, or 5/3 is called __________________    _________________   (two words).

Which lists the major steps of solar system formation in the correct order?

The _________ ____________  ___________ (three words) is a large, high pressure storm that is occurring on Jupiter.    

The fact that we always see the same face of the Moon tells us that the Moon

The water-ice particles forming Saturn’s rings are frozen together into a thin sheet that rotates around Saturn like a solid body.

The process of releasing gases from a planetary interior, usually through volcanic eruptions is called    __________________.    

What are the basic differences between terrestrial and jovian planets? Which planets fall into each group? 

The objects in our solar system called _______________ planets are giant gaseous planets similar in overall composition to Jupiter.   

 The __________   ____________ (two words) began when Copernicus used the writings of the Greek philosopher Aristarchus concerning a sun-centered theory because he appreciated its simplicity in its design.