ASTRO 7N - Unit 4, Part 1: Galaxy Types Lesson UPDATED ACTUAL Exam Questions and CORRECT Answers

ASTRO 7N - Unit 4, Part 1: Galaxy Types
Lesson UPDATED ACTUAL Exam
Questions and CORRECT Answers
How would you describe the distribution of galaxies in your local group? - CORRECT
ANSWER - There are the two big galaxies and then the dwarfs seem to be clustered
around them.


Based on the information about the Milky Way and Andromeda... - CORRECT
ANSWER - the collision starts just after 3 billion years in the movie and is complete a bit
after 5 billion years


So the sun will collide with a star in Andromeda in 4 billion years and that will be the end of us?
- CORRECT ANSWER - I don't think so. Isn't there ahuge space between the stars, so that
the stars won't collide?


What kind of galaxies are the largest galaxies in your universe? - CORRECT ANSWER -
elliptical


Elliptical galaxies can be small. Were those dwarf galaxies we saw in the local group ellipticals?
The ones near Andromeda looked like - CORRECT ANSWER - an oval shaped haze



What is true of irregular galaxies? - CORRECT ANSWER - They have no defined shape
or structure


What type of galaxy is this one? - CORRECT ANSWER - a spiral (Sa-type)



Yes, I think it is - CORRECT ANSWER - an elliptical (E3-type)