NAME:__________________________DATE:_________PER:____PG#_____
1.
a)
b)
c)
d)
e)
Galaxy Webquest
http://science.nasa.gov/astrophysics/focus-areas/what-are-galaxies/
Is the Milky Way typical or unusual?_____________
How many stars does the milky wave have? ____________________
How is the Milky Way held together? ____________________
What shape does the Milky Way have?____________________
What is at the center of the Milky Way? ____________________
2. http://science.nationalgeographic.com/science/space/universe/galaxiesarticle/
a) In your own words, what are galaxies?
______________________________________________________________
______________________________________________________________
b) How many stars are in a galaxy? ____________________
c) What is considered a small galaxy? ____________________
3. http://www.maa.clell.de/Messier/galaxy.html
In your own words, describe the four types of galaxies:
a) spiral – ______________________________________________________
______________________________________________________________
b) lenticular – ___________________________________________________
______________________________________________________________
c) elliptical– ___________________________________________________
______________________________________________________________
d) irregular – ___________________________________________________
______________________________________________________________
Draw the four galaxy types.
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4. http://imagine.gsfc.nasa.gov/docs/science/know_l1/pulsars.html
a) What is the diameter of a neutron star?_____________
b) How much would one teaspoonful of a neutron star weigh on Earth?__________
c) What is a Pulsar and What Makes it Pulse?____________________________
______________________________________________________________
______________________________________________________________
5. http://en.wikipedia.org/wiki/Nebula
A nebula is a cloud of dust and gas that eventually becomes a star. Look at some of
the nebula pictures on the website and write a haiku about a nebula. Remember: a
haiku is a poem with 3 lines. The first line has 5 syllables, the second line has 7
syllables, and the last line has 5.
______________________________________________________5 syllables
______________________________________________________7 syllables
______________________________________________________5 syllables
6. http://www.nasa.gov/audience/forstudents/k-4/stories/what-is-a-black-holek4.html#.UtR7fLQdiYQ
a) How Big Are Black Holes?_________________________________________
b) How small can the smallest black hole be? What is the mass of a small black
hole?__________________________________________________________
c) What is a black hole with mass 20x that of the sun called? Are they rare?
______________________________________________________________
d) What are the largest black holes called? What mass do they have?
______________________________________________________________
______________________________________________________________
e)What is the black hole at the center of the Milky Way called?
______________________________________________________________
7. http://nasascience.nasa.gov/astrophysics/how-do-stars-form-and-evolve
Look at the heading “STARS AND THEIR FATES” and read about all the different
things that can happen to stars after they die. What do you think will happen to
the Sun after it dies?_____________________________________________
8. http://science.nasa.gov/science-news/science-atnasa/2012/31may_andromeda/
What will happen to our galaxy in 4 billion years?
______________________________________________________________
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9. http://antwrp.gsfc.nasa.gov/apod/ap080420.html
This is a picture of two galaxies colliding. What do scientists think will eventually
happen to the two galaxies?
______________________________________________________________
______________________________________________________________
10. Complete the crossword puzzle. You may use google.com to search for a clue you are
stuck on.
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ACROSS
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Simply put, pulsars are rotating neutron stars. And pulsars appear to pulse because they
rotate!
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