This chapter helps students discover how location is so important
to conditions that support life. Students begin to define what
and where to look for conditions that may support life. They
investigate locally–the planets and moons in our solar system–then
extend their efforts to include the entire universe in defining
habitability.
In Activity 3 students produce a plot of 100 stars to study
color, temperature, and age relationships between stars as
well as their frequency in stellar populations. This information
is helpful when determining if a star is capable of supporting
life on an orbiting planet or moon in solar systems beyond
our own.