Download Autumn 2016 Midterm Review - Autumn 2015 Questions

Autumn 2016 Midterm Review - Autumn 2015 Questions
13. Each of the following identifies a characteristic of a
reflecting telescope, except one. Which answer does NOT
belong?
a. Uses mirrors to direct light to the detector.
b. Has a limit of about 40-inches in mirror diameter size.
c. Is the kind of telescope most often used by astronomers.
d. Can be made larger when built up of multiple mirrors.
Autumn 2016 Midterm Review - Autumn 2015 Questions
13. Each of the following identifies a characteristic of a
reflecting telescope, except one. Which answer does NOT
belong?
a. Uses mirrors to direct light to the detector.
b. Has a limit of about 40-inches in mirror diameter size.
c. Is the kind of telescope most often used by astronomers.
d. Can be made larger when built up of multiple mirrors.
Autumn 2016 Midterm Review - Autumn 2015 Questions
14. When astronomers talk about spectral windows, they are
discussing those parts of the atmosphere that
a.are opaque to certain wavelengths or regions of the
electromagnetic spectrum
b.are transparent to certain wavelengths or regions of the
electromagnetic spectrum.
c.reflect certain wavelengths or regions of the
electromagnetic spectrum back toward the Sun.
Autumn 2016 Midterm Review - Autumn 2015 Questions
14. When astronomers talk about spectral windows, they are
discussing those parts of the atmosphere that
a.are opaque to certain wavelengths or regions of the
electromagnetic spectrum
b.are transparent to certain wavelengths or regions of
the electromagnetic spectrum.
c.reflect certain wavelengths or regions of the
electromagnetic spectrum back toward the Sun.
Autumn 2016 Midterm Review - Autumn 2015 Questions
19. The processes involved in the formation of stars and
planets are complicated, but physically understandable. Within
the formation of a star, which must happen first?
a. Cloud spins faster because of conservation of angular
momentum. b. Gravitational potential energy is converted to kinetic
energy. c. Both events could happen at the same time.
Autumn 2016 Midterm Review - Autumn 2015 Questions
19. The processes involved in the formation of stars and
planets are complicated, but physically understandable. Within
the formation of a star, which must happen first?
a. Cloud spins faster because of conservation of angular
momentum. b. Gravitational potential energy is converted to kinetic
energy. c. Both events could happen at the same time.
Autumn 2016 Midterm Review - Autumn 2015 Questions
21. Each of the following events or objects are associated with
active regions in the photosphere, chromosphere, and corona
of the Sun, EXCEPT one. Which answer does not belong?
a. Filaments
b. Flares
c. Fusion
d. Prominences
e. Sunspots
Autumn 2016 Midterm Review - Autumn 2015 Questions
21. Each of the following events or objects are associated with
active regions in the photosphere, chromosphere, and corona
of the Sun, EXCEPT one. Which answer does not belong?
a. Filaments
b. Flares
c. Fusion
d. Prominences
e. Sunspots
Autumn 2016 Midterm Review - Autumn 2015 Questions
22. We have learned that nuclear fusion - the proton-proton
chain - is occurring in the deepest part, the very core, of the
Sun. What does this have to do with us?
a. The gamma rays being produced provide the radiative
support for the Sun.
b. Eventually that energy gets transferred through the Sun
and escapes to Earth.
c. There are trillions of neutrinos passing through every
square centimeter of us.
d. It helps us understand and appreciate the meaning of
Einstein’s Equation: E = mc2.
e. All of the above! The Sun is critical to the very existence of
life on Earth.
Autumn 2016 Midterm Review - Autumn 2015 Questions
22. We have learned that nuclear fusion - the proton-proton
chain - is occurring in the deepest part, the very core, of the
Sun. What does this have to do with us?
a. The gamma rays being produced provide the radiative
support for the Sun.
b. Eventually that energy gets transferred through the Sun
and escapes to Earth.
c. There are trillions of neutrinos passing through every
square centimeter of us.
d. It helps us understand and appreciate the meaning of
Einstein’s Equation: E = mc2.
e. All of the above! The Sun is critical to the very
existence of life on Earth.
Autumn 2016 Midterm Review - Autumn 2015 Questions
23. Geomagnetic storms provide the energy that produce the
aurorae at Earth’s poles. Complete the following sentence: The
magnetic field of the Earth interacts with the solar wind,
a. stretches almost to breaking, snaps back, and excites
electrons in the atmosphere.
b. causing the charged particles to fuse and generate energy
similar to the Sun.
c. wraps charged particles around the Earth’s equator,
generating heat at the poles.
d. which is reflected back towards the Sun, drawing energy
from Earth’s atmosphere.
Autumn 2016 Midterm Review - Autumn 2015 Questions
23. Geomagnetic storms provide the energy that produce the
aurorae at Earth’s poles. Complete the following sentence: The
magnetic field of the Earth interacts with the solar wind,
a. stretches almost to breaking, snaps back, and excites
electrons in the atmosphere.
b. causing the charged particles to fuse and generate energy
similar to the Sun.
c. wraps charged particles around the Earth’s equator,
generating heat at the poles.
d. which is reflected back towards the Sun, drawing energy
from Earth’s atmosphere.
Autumn 2016 Midterm Review - Autumn 2015 Questions
Use the information given in this table for questions 24 - 28. The
parallax values are in arc seconds, m is the apparent magnitude
through the visual filter, M is the absolute magnitude through the
visual filter. All of these stars are found in the constellation
Draco.
Draco
Spectral Type
parallax
m
M
Altais
G9
0.033
3.07
0.7
Arrakis
F6
0.036
4.92
2.7
Giausar
M0
0.001
3.85
-6.2
Grumium
K2
0.029
3.75
1.1
Thuban
A0
0.010
3.68
-1.3
Autumn 2016 Midterm Review - Autumn 2015 Questions
Draco
Spectral Type
parallax
m
M
Altais
G9
0.033
3.07
0.7
Arrakis
F6
0.036
4.92
2.7
Giausar
M0
0.001
3.85
-6.2
Grumium
K2
0.029
3.75
1.1
Thuban
A0
0.010
3.68
-1.3
24. Which of the above listed stars is the hottest?
a. Altais
b. Arrakis
c. Giausar d. Grumium e. Thuban
Autumn 2016 Midterm Review - Autumn 2015 Questions
Draco
Spectral Type
parallax
m
M
Altais
G9
0.033
3.07
0.7
Arrakis
F6
0.036
4.92
2.7
Giausar
M0
0.001
3.85
-6.2
Grumium
K2
0.029
3.75
1.1
Thuban
A0
0.010
3.68
-1.3
25. Which of the above listed stars is the coolest?
a. Altais b. Arrakis
c. Giausar d. Grumium e. Thuban
Autumn 2016 Midterm Review - Autumn 2015 Questions
Draco
Spectral Type
parallax
m
M
Altais
G9
0.033
3.07
0.7
Arrakis
F6
0.036
4.92
2.7
Giausar
M0
0.001
3.85
-6.2
Grumium
K2
0.029
3.75
1.1
Thuban
A0
0.010
3.68
-1.3
26. Which of the listed stars would have the most
prominent absorption lines of hydrogen?
a. Altais
b. Arrakis c. Giausar d. Grumium e. Thuban
Autumn 2016 Midterm Review - Autumn 2015 Questions
Draco
Spectral Type
parallax
m
M
Altais
G9
0.033
3.07
0.7
Arrakis
F6
0.036
4.92
2.7
Giausar
M0
0.001
3.85
-6.2
Grumium
K2
0.029
3.75
1.1
Thuban
A0
0.010
3.68
-1.3
27. Which of the listed stars is the closest?
a. Altais
b. Arrakis c. Giausar d. Grumium e. Thuban
Autumn 2016 Midterm Review - Autumn 2015 Questions
Draco
Spectral Type
parallax
m
M
Altais
G9
0.033
3.07
0.7
Arrakis
F6
0.036
4.92
2.7
Giausar
M0
0.001
3.85
-6.2
Grumium
K2
0.029
3.75
1.1
Thuban
A0
0.010
3.68
-1.3
28. Which of the listed stars is the most luminous?
a. Altais
b. Arrakis c. Giausar d. Grumium e. Thuban
Autumn 2016 Midterm Review - Autumn 2015 Questions
Draco
Spectral Type
parallax
m
M
Altais
G9
0.033
3.07
0.7
Arrakis
F6
0.036
4.92
2.7
Giausar
M0
0.001
3.85
-6.2
Grumium
K2
0.029
3.75
1.1
Thuban
A0
0.010
3.68
-1.3
24. Which of the above listed stars is the hottest? — Thuban
25. Which of the above listed stars is the coolest? — Giausar
26. Which of the listed stars would have the most prominent
absorption lines of hydrogen? — Thuban
27. Which of the listed stars is the closest? — Arrakis
28. Which of the listed stars is the most luminous? — Giausar
30. Which of the listed stars is the brightest to us? — Altais
Autumn 2016 Midterm Review - Autumn 2015 Questions
29. Stars having the same spectral type have the same
a. temperature.
b. luminosity.
c. distance.
Autumn 2016 Midterm Review - Autumn 2015 Questions
29. Stars having the same spectral type have the same
a. temperature.
b. luminosity.
c. distance.
Autumn 2016 Midterm Review - Autumn 2015 Questions
30. Stars having the same absolute magnitude have the same
a. temperature.
b. luminosity.
c. distance.
Autumn 2016 Midterm Review - Autumn 2015 Questions
30. Stars having the same absolute magnitude have the same
a. temperature.
b. luminosity.
c. distance.
Autumn 2016 Midterm Review - Autumn 2015 Questions
31. True (a) or False (b): The phases of the Moon are caused
by the Earth’s shadow shading all or part of the Moon over the
course of a month because the Earth is so much larger than the
Moon.
Autumn 2016 Midterm Review - Autumn 2015 Questions
31. True (a) or False (b): The phases of the Moon are caused
by the Earth’s shadow shading all or part of the Moon over the
course of a month because the Earth is so much larger than the
Moon.
FALSE!