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