Ocean 115 - Introduction to Oceanography » Spring 2022 » Stars

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

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