Galaxies and the Milky Way 31.3 Flashcards
1
Q
galaxy
A
large groups of stars, dust, and gas; held together by gravity
2
Q
milky way
A
spiral galaxy that is about 100,000 light-years in diameter and contains from 200 to 400 billion stars, including the sun; where our solar system is located
3
Q
local group
A
group of fifty galaxies including the Milky Way
4
Q
What are the three shapes that a galaxy can be?
A
spiral, elliptical, irregular
5
Q
What is the name of the galaxy that we are located in?
A
The milky way galaxy
6
Q
What shape is the milky way galaxy?
A
spiral
7
Q
How many galaxies are in the local group?
A
50
8
Q
What are the two largest galaxies in the local group?
A
Andromeda and The Milky Way
9
Q
Where are we located at in The Milky Way?
A
on the center of one of the arms
