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.   Hundreds of millions
D.   Hundreds of trillions
E.   Several billion
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.   Protons
B.   New elements, such as oxygen and carbon
C.   Hydrogen and helium
D.   Hydrogen
Question #4
How did the produced material get into space to be part of our bodies?
A.   Supernovas
B.   Neutrino flow
C.   Electromagnetism
D.   Gravity
Question #5
The brightest most massive stars are?
A.   Orange
B.   Blue
C.   Yellow
D.   Red
Question #6
Why does the star shine?
A.   Nuclear fission
B.   Nuclear fusion
C.   Gravity
D.   Electromagnetic repulsion
Question #7
What causes sun spots?
A.   Gravitational anomalies
B.   Cool spots under solar storms
C.   Large nuclear explosions on a star
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.   At the galaxy edges
D.   In black holes
Question #10
What is Gliese 229 and what orbits it?
A.   A red giant with a black hole in orbit
B.   A proto star with a white dwarf 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 T-tauri star with a proto star in orbit

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