Night Astronomy Assignment 3


Celestial Objects


1. Under the link "observing the moon"  go to "a month of moon watching."  What is the most obvious feature in days 3 & 4 of the moon?


2.  Go to the link "messier on the moon" and describe what the messier crater is.



3.  How large is the Tyco Crater?


4.  Click on Jupiter and then go to the Jupiter observing guide.  Explain why Jupiter is called the Amateur's planet.



5.  What are some things you can observe on Jupiter with a small telescope?



6.  Go to the link, "an observing guide to Saturn" and explain why "you can never see Saturn as well as you want?"



7. Go to the link on Comets.  How often to great comets come along?


8. Go to the link "Messier Objects" and explain who Charles Messier was.




9. List three common messier objects by name.




10.  Explain what a Galaxy is.



11. Go to the link "Galaxy Photos" and list 3 of the more interesting galaxies you see on this page.



12.  Go to the link Nebulas and list the three types of nebulas.



13.  Go to the link Nebula astrophotos and list three of the most interesting nebulas you see on this page.



14.  Go to the link "Star Clusters."  Describe the two types of star clusters and give an example of each. 




15.  Go to the link "star clusters images."  Do most of the clusters on this page appear to be open or globular clusters?


16.  Go to the link "doulbe and variable stars."  Explain what double stars are.



17.  What colors are the double stars Albireo?


18.  Explain what Variable stars are.



19.  Why observe variable stars?



20.  What are three types of variable stars?



21.  Under the link "distances to stars" explain what a light year is.




22. Diagram how the parallax method is used to determine the distances to stars.






















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