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

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