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

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