Ocean 115 - Introduction to Oceanography » Spring 2022 » Stars

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Question #1
How many stars are in the Milky Way galaxy?
A.   Hundreds of trillions
B.   Hundreds of billions
C.   Hundreds of millions
D.   Several billion
E.   Several million
Question #2
What caused the first stars to form?
A.   The weak nuclear force
B.   Gravity
C.   The strong nuclear force
D.   Electromagnetism
Question #3
What did the first stars produce?
A.   Hydrogen
B.   New elements, such as oxygen and carbon
C.   Protons
D.   Hydrogen and helium
Question #4
How did the produced material get into space to be part of our bodies?
A.   Neutrino flow
B.   Gravity
C.   Supernovas
D.   Electromagnetism
Question #5
The brightest most massive stars are?
A.   Orange
B.   Red
C.   Yellow
D.   Blue
Question #6
Why does the star shine?
A.   Nuclear fission
B.   Nuclear fusion
C.   Electromagnetic repulsion
D.   Gravity
Question #7
What causes sun spots?
A.   Cool spots under solar storms
B.   Large nuclear explosions on a star
C.   Gravitational anomalies
D.   Hot spots under solar storms
Question #8
What will happen to the Sun in 5 billion years?
A.   It will stay the same
B.   It will go supernova
C.   It will become a red giant
D.   It will become a brown dwarf
Question #9
Where are stellar nurseries found?
A.   Molecular clouds all over the galaxy
B.   Molecular clouds at the center of the galaxy
C.   In black holes
D.   At the galaxy edges
Question #10
What is Gliese 229 and what orbits it?
A.   A small red star with a brown dwarf in orbit
B.   A proto star with a white dwarf in orbit
C.   A red giant with a black hole in orbit
D.   A main sequence star with a brown dwarf in orbit
E.   A T-tauri star with a proto star in orbit

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