Vocabulary
An expert in or student of astronomy
Astronomer
Constellation means-
a grouping of stars
Stars are a burning sphere of gases held together by-
gravity
Earth is the ________ planet from the Sun.
Third
Apollo 13 was based on a true story.
True
the spiral galaxy containing our solar system
Milky Way
There are __________ constellations according to the astronomers from the International Astronomical Union (IAU).
88
All stars go through the first 3 life cycle stages. They are-
1. Nebula
2. Protostar
3. Main sequence
A ______________ model believes the Sun is the center of the solar system.
Heliocentric
There are believed to be __________ galaxies in the universe.
a. millions
b. trillions
c. billions
Billions
The branch of science that deals with celestial objects, space, and the physical universe as a whole
Astronomy
Name 2 constellations (not asterisms, which are a smaller grouping of stars, that are not considered a constellation)-
Answers may vary
Average Mass stars will end their life cycle as a-
Black dwarf
The prefix Geo- lets us know that ___________ is being referred to.
Earth
filtered it by rerouting a tank
a fundamental distance in astronomy
Astronomical Unit (AU)
Which constellations are visible depends on two things-
1. Your location on Earth
2. Time of year
Extremely high mass stars' life cycles can end as a __________ or __________.
1. Neutron Star
2. Black Hole
Light years are equal to ______________ miles.
5.88 trillion
Our Sun is about ____________ years old.
I'll take 4-4.5 billion years old
the branch of astronomy concerned with the physical nature of stars and other celestial bodies, and the application of laws and theories of physics
Astrophysics
What is the actual name of our North Star?
Polaris
Produces heat and light in stars.
Nuclear fusion
The scientist credited with the Heliocentric Model is _________________?
Copernicus
Who played Jim Lovell in Apollo 13?
Tom Hanks