Shape and Structure
Size
Parts
Vocabulary
Milky Way Facts
100
This is the type of the galaxy the Milky Way is.
What is a SPIRAL GALAXY
100
THIS IS THE DIAMETER OF THE GALAXY
What is 100,000 LIGHT YEARS
100
THIS IS THE PITCH ANGLE OF THE SPIRAL ARMS
What is 75 DEGREES
100
This is a star system that has two stars.
What is a Binary Star?
100
THIS IS THE LENGTH OF TIME IT WOULD TAKE THE SOLAR SYSTEM TO TRAVEL ALL THE WAY AROUND THE MILKY WAY
What is 230 MILLION YEARS
200
THIS IS WHERE THE POPULATION II STARS ARE IN THE GALAXY
What is GALACTIC CORE/BULGE
200
THIS IS THE THICKNESS OF THE DISK
What is 1,000 LIGHT YEARS
200
THIS IS THE NAME OF THE SPIRAL ARM THAT OUR GALAXY IS IN
What is ORION
200
This is a system in which one star blocks the light from another periodically.
What is an Eclipsing Binary?
200
THIS IS THE AGE OF MOST STARS IN THE GALAXY
What is 4.5 BILLION YEARS
300
THIS IS WHERE THE YOUNG STARS RESIDE
What is THE ARMS
300
THIS IS THE ASTRONOMER WHO MADE THE FIRST RELIABLE MEASUREMENT OF THE GALAXY
WHO IS HARLOW SHAPELY
300
THIS IS THE NAME OF ONE OF THE NEIGHBORING ARMS TO THE MILKY WAY NAMED AFTER A MYTHOLOGICAL HERO WHOM ALSO HAS A CONSTELLATION IN HIS NAME
What is PERSEUS
300
This is a star cluster with a loose disorganized appearance.
What is an Open Cluster?
300
THIS IS THE MOST COMMON TYPE OF STARS IN THE GALAXY
What is RED DWARF
400
THIS IS THE BRIGHT FLAT ARRANGEMENT OF STARS AND GAS CLOUDS THAT SPREAD OUT OVER ITS ENTIRETY AND MARKED BY SPIRAL ARMS
WHAT IS THE DISK
400
THIS IS THE NUMBER OF STARS IN THE MILKY WAY
What is ABOUT 200 BILLION
400
THIS IS THE NAME OF THE OTHER NEIGHBORING ARM
What is SAGITTARIUS
400
This is a huge group of single stars, star systems, star clusters, and gas bound together by gravity.
What is a Galaxy?
400
THIS IS THE REASON WE KNOW THAT A BLACK HOLE IS AT THE CENTER OF THE GALAXY
What is THE GRAVITATIONAL EFFECTS
500
THIS IS THE NUMBER OF SPIRAL ARMS IN OUR GALAXY
What is 5
500
THIS IS THE MASS OF THE MILKY WAY GALAXY
What is UNCERTAIN
500
THIS IS THE RING OF HOT GAS, OLD STARS, AND GLOBULAR CLUSTERS THAT SURROUNDS THE GALAXY
What is ASPHERICAL HALO
500
This is a star cluster that is round and packed with large groupings of older stars.
What is a Globular Cluster?
500
THIS IS THE GALAXY ON A COLLISION COURSE WITH OUR GALAXY
What is ANDROMEDA
M
e
n
u