The structure of a spiral galaxy includes; spiral arms, a central bulge and .  The motion of stars in the spiral arms is .  The motion of stars in the central bulge is .  The Sun is of the Milky Way galaxy.  When viewed perpendicular (at right angles) to the plane of the spiral galaxy the dark patches are .

Neptune was discovered .  Neptune takes to orbit the Sun.  Neptune is a diameter to Uranus.  Similar to Uranus, the atmosphere of Neptune contains giving it a green-blue tint. 

Michelson and Morley invented an experiment to determine if there really was something called .  They hypothesized that the would .  They discovered that the was . 

By looking at the most distant type I supernovae two groups of scientists discovered that the galaxies containing the supernovae are moving closer galaxies.  This indicates that the rate of expansion of the universe is .  The scientists put forward the idea of to explain this observation.  This explanation means that our model of the universe is one of a universe.

Galileo is famous for using an early telescope to make observations of the night sky and keeping excellent notes on what he saw.  Some of his observations include the of Venus, blemishes on the surface of the Sun we now call and the of Saturn even though he did not recognize what they were at the time.

When is the very last day you can turn any work or any late work in for this course? 

Cheating of any kind will not be tolerated in this class.

The questions below are about weekly discussion boards: a. When is your first response due? b.  When is your comments due on two different classmate’s postings?  c. For your two total comments on other classmates postings, how long should each response be at minimum?   

True or False: In order for any business’s sales team to effectively tackle the Professional Sales Process, a good sales and marketing strategy is needed first! Companies must market, differentiate, and promote their product or service in a way that it becomes the best choice amongst the competition in the mind of their target customers. In this class you will learn how that is done. 

Everyone has a chance to get 10 points extra credit each week by completing the weekly extra credit assignment.