Students explore the transit of Venus and the information that this minieclipse provides about the distance between the Earth and the sun. They create their own astronomical units.

In this planetary alignments learning exercise, students use 2 different methods to find out when planet alignments will occur. They use a three number series and they use least common multiples to find out when Mercury and Venus will...

In this estimation worksheet, students use information about planets, given in a table, to complete a 16 question quiz. Answers are included on page 2. A reference web site is given for additional activities.