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.   Several billion
C.   Hundreds of billions
D.   Hundreds of trillions
E.   Several million
Question #2
What caused the first stars to form?
A.   Electromagnetism
B.   The weak nuclear force
C.   The strong nuclear force
D.   Gravity
Question #3
What did the first stars produce?
A.   Protons
B.   Hydrogen
C.   Hydrogen and helium
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.   Supernovas
B.   Electromagnetism
C.   Gravity
D.   Neutrino flow
Question #5
The brightest most massive stars are?
A.   Blue
B.   Yellow
C.   Orange
D.   Red
Question #6
Why does the star shine?
A.   Gravity
B.   Electromagnetic repulsion
C.   Nuclear fission
D.   Nuclear fusion
Question #7
What causes sun spots?
A.   Cool spots under solar storms
B.   Large nuclear explosions on a star
C.   Hot 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 become a red giant
C.   It will stay the same
D.   It will become a brown dwarf
Question #9
Where are stellar nurseries found?
A.   At the galaxy edges
B.   Molecular clouds at the center of the galaxy
C.   In black holes
D.   Molecular clouds all over 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 main sequence star with a brown dwarf in orbit
C.   A T-tauri star with a proto star in orbit
D.   A red giant with a black hole in orbit
E.   A proto star with a white dwarf in orbit

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