Astronomy Final Mock Assessment
Quiz by Jason Wang
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- Q1
The spectrum of a core-collapse supernova directly reflects
The temperature of the progenitor star
The mass of the progenitor star
The composition of the core of the progenitor star
The composition of the outer layer of the progenitor star
30s - Q2
What kind of stars do we expect to see in atypical globular cluster in the Milky Way?
Population I stars
Population III stars
Population III stars
Both (b) and (c)
None of the above
30s - Q3
What are standard candles?
Astrophysical objects which emit at a constant, known luminosity
Astrophysical objects whose luminositycan be calibrated via measurements independent of flux and distance
A standard unit of measuring luminosityin astronomy, such as L⊙
Extremely luminous lasers on satellites inspace to calibrate distances in the solarsystem
30s - Q4
List out the Harvard spectral classes in order of decreasing mass.
OBAFGKM
BFAMKGO
OGKMAFB
MKGFABO
30s - Q5
Which of the following types of stars would we NOT expect to have carbon in their photospheres?
Mira variables
Carbon stars
Wolf-Rayet stars
O-type main sequence stars
30s - Q6
Which of the following are rarely or never found in globular clusters?
Planetary nebulae
Luminous Blue Variables
Magnetars Type II supernovae
Type II supernovae
All of the above
30s - Q7
Suppose that I’ve measured a parallax for a system of 0.58 mas. What’s the distance to this system?
100 pc
500 pc
1100 pc
1700 pc
30s - Q8
The remaining multiple-choice questions will be on Deep Sky Objects! Identify the DSO in Image A.
AG Carinae
R Hydrae
R Aquarii
RS Puppis
W Virginis
30s - Q9
What kind of object is this DSO?
Planetary nebula
H II region
Luminous Blue Variable
Dwarf nova
X-ray binary
30s - Q10
This image includes data from which of the following wavelength regimes?
Near-UV
Visible light
Near-infrared
Both a and b
a, b, and c
30s - Q11
The surrounding ring of material was ejected around 10,000 years ago. Using the scale on the image, estimate the velocity at which the ring of material is travelling outwards.
1 km/s
10 km/s
100 km/s
1,000 km/s
30s - Q12
Suppose the scale on the image was 6 light-years to 31", rather than 3 light-years to 31". Calculate the distance this DSO would have to be at for this scale to be accurate.
17 kly
25 kly
34 kly
40 kly
30s - Q13
Identify the DSO in Image B
AG Carinae
R Hydrae
R Aquarii
NGC 7027
HD 184738
30s - Q14
This object is much smaller than other objects of the same type. What does this suggest about this DSO?
It is very inactive
It is very old
It is very young
It suggests an unknown physical process at play
30s - Q15
Identify the DSO in Image C. The left and middle images involve optical wavelengths, while the right image was taken in x-rays.
NGC7027
HD 184738
47 Tucanae
E0102-72.3
SN 2008D
30s
