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True/False: Lenticular Galaxies have new stars being born all the time.
False-they have mostly old stars at the end of their lifecycles.
True/False: Lenticular Galaxies are some of the oldest types of galaxies.
True
True/False: An Irregular Galaxy has a nice round shape and a central bulge.
False – it has no true shape and no central bulge
True/False: We call any galaxy that does not fit into one of the other categories an Irregular Galaxy.
True
A galaxy _____ has 50 to 1000 galaxies.
True
True/False: Elliptical galaxies are some of the biggest and some of the smallest types of galaxies found in the known universe.
True
True/False: An Elliptical Galaxy has a rounded, stretched-out circle shape with no arms.
True
True/False: Barred-Spiral Galaxies are young galaxies.
False- they are Old galaxies
What is the name of our galaxy?
Milky Way
True/False: Our Milky Way Galaxy is an Elliptical galaxy.
False-It is a Barred-Spiral Galaxy
True/False: A Spiral Galaxy has a central bulge which is made up of millions of stars.
True
True/False: An Irregular Galaxy has arms.
False- a Spiral Galaxy has arms
True/False: Our Solar System is 25,000 light-years away from the galactic center.
True
True/False: It takes our Solar System 200 years to make one orbit around the galactic center.
False- it takes 225 to 250 million years
How big is our galaxy in light-years...100 or 100,000 light years?
100,000 light years
What is the name of our galaxy?
Milky Way
What is the main reason there are Galaxies?
GRAVITY
True/False: A Galaxy is basically a City of stars all clumped together with dust and gas, and black matter, held together by gravity.
True
What is everything in our Solar System orbiting?
The Sun
What is the name of the big bubble that surrounds our Solar System?
Oort Cloud
What is the name of the belt that is found farther out than Neptune?
Kuiper Belt
What is the name of the belt that separates the Terrestrial & Jovian Planets?
Asteroid Belt
How many Dwarf Planets are in our Solar System?
5 that we have named & cataloged, but possibly hundreds more
How many main planets are in our Solar System?
8
How many stars are in our Solar System?
1 one
True/False: The difference between a moon & a planet is basically that a moon orbits a star and a planet orbits around a moon.
False-A moon orbits a planet. A planet orbits a star directly
True/False: There are planetary systems with 3 stars.
True - and we have even found 5 and even a 6-star systems too
How many planetary systems do we believe are in the Milky Way Galaxy...Billions or Millions?
Billions-we think there are about 300 to 400 billion stars in the Milky Way, and we now know almost all of them have planets orbiting around them!
True/False: A planetary system is a space rock with lots of moons.
False- It is a star with planets & other objects orbiting around it.
True/False: A host star is a star that planets orbit around.
True
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