How big is our galaxy in light-years...100 or 100,000 light years?
100,000 light years
What is everything in our Solar System orbiting?
The Sun
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 many main planets are in our Solar System?
8
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!
What is the name of the big bubble that surrounds our Solar System?
Oort Cloud
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: An Irregular Galaxy has arms.
False- a Spiral Galaxy has arms
True/False: Barred-Spiral Galaxies are young galaxies.
False- they are Old galaxies
True/False: Our Milky Way Galaxy is an Elliptical galaxy.
False-It is a Barred-Spiral Galaxy
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
What is the name of our galaxy?
Milky Way
True/False: A host star is a star that planets orbit around.
True
What is the name of the belt that is found farther out than Neptune?
Kuiper Belt
True/False: There are planetary systems with 3 stars.
True - and we have even found 5 and even a 6-star systems too
What is the main reason there are Galaxies?
GRAVITY
How many Dwarf Planets are in our Solar System?
5 that we have named & cataloged, but possibly hundreds more
What is the name of the belt that separates the Terrestrial & Jovian Planets?
Asteroid Belt
True/False: A Spiral Galaxy has a central bulge which is made up of millions of stars.
True
How many stars are in our Solar System?
1 one
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: A Galaxy is basically a City of stars all clumped together with dust and gas, and black matter, held together by gravity.
True