Appearance facts
What type of galaxy is it?
Hoag's Object is a Ring Galaxy
Who discovered Hoag's Object?
Arthur Hoag discovered Hoag's Object
What is the mass of Hoag's Object?
Around 7 million to 8 million suns
How many stars are there?
There are around 8 billion stars
When did Arthur Hoag discover Hoag's Object?
Arthur discovered Hoag's Object in the year of 1950
How many galaxies are there?
There are 2 glaxies
How was Hoag's Object discovered?
On a NASA telescope
How big is the yellow nucleus?
The yellow nucleus in the middle is around 50,000 light-years across
What Constellation is Hoag's Object inside of?
Hoag's Object is in The Serpens Caput
What did Arthur think Hoag's Object was BEFORE he realized it was a galaxy?
Arthur thought it was a Planetary Nebula
Are the blue stars or red stars older?
The red stars seem to be older
How was Hoag's Object created?
By a Galactic Bullet
What is the radius of Hoag's Object
The radius of Hoag's Object is 60,500 light-years
True or False, Hoag's Object is an unusual Ring Galaxy
True, Hoag's Object is super unusual and no one really knows 100% how it got there
True or False, The Yellow Nucleus is a galaxy
True, The yellow nucleus is the second galaxy
True or False, Hoag's Object is bigger than the Milky Way
True, Hoag's Object is around 20,000 Light-years larger
What slowed down the impact of the Galactic Bullet?
A giant meteor
Has Hoag's Object gotten bigger?
No, Galaxies can't grow
How big was the Galactic Bullet?
The Galactic Bullet was around 1-10 MPC
How old is Hoag's Object
Hoag's Object is 12.75 billion years old
How Large is Hoag's Object?
121,000 Light-years
How did the second galaxy get there?
The second glaxy sideswiped the spiral. Also Known as first galaxy
How big is the black gap in between the yellow nucleus and the blue ring?
The black gap appears to be about 25,000 light-years to 30,000 light-years long
What is the Magnitude of Hoag's Object?
The Magnitude of Hoag's Object is the 16th Magnitude
When did the Yellow Nucleus get there?
The yellow nucleus got there around 50 million years ago