11 questions
Which best describes the location of our solar system?
in a galaxy called the Local Group, which is part of a cluster called the Milky Way
in a galaxy called the Milky Way, which is part of a cluster called the Local Group
in a galaxy called the Milky Way, which is not part of a cluster of galaxies
in a galaxy called the Milky Way, which is part of a cluster called the Virgo Group
A galaxy that has a shape similar to a football is a(n) __________ galaxy.
elliptical
irregular
spiral
local group
The spiral shape of the Milky Way cannot be seen from Earth because ______________.
we are located above the galaxy
we are located in one of its spiral arms
our view is blocked by the Sun
none of the above
The ______ states that the universe began expanding out of an enormous Explosion between 15 and 20 billion years ago.
H-R Diagram
binary star theory
Big Bang theory
"big crunch" theory
About _____% of the universe's mass is dark matter.
90
50
10
75
The Milky Way is a(n) _______ galaxy
elliptical
spiral
irregular
regular
There are _____ types of galaxies.
3
4
12
100
A________is a huge collection of stars.
universe
galaxy
solar system
super nova
Our solar system is located __________ of the Milky Way.
in the center
on the edge
outside
1 million miles out
There are _________ of galaxies in our universe.
hundreds
thousands
millions
billions
Holds galaxies together
Star Dust
Gravity
Moon Rocks
RED light