Download ASTR 105 Astronomy. Practice and Sample Exam 3. Note that this

ASTR 105 Astronomy. Practice and Sample Exam 3. Note that this exam is only one exam drawn from
our pool of questions. Your actual exam will be different. But since these questions are in our pool, you may
actually get some of these questions on your real exam.
1.
Which is false concerning astronaut-pilot
Charlie Bolden?
(A) He is from South Carolina.
(B) He was in the marines.
(C) He has a family.
(D) He used to jog with his kids.
(E) He is a mission specialist.
2.
Which quark should be placed at location "f" in
the above figure?
(A) u (B) d (C) s (D) c (E) t
3.
Which location on the HR diagram is the region representing a star like the Sun
on its way to becoming the largest it will ever be?
(A) A (B) B (C) C (D) D (E) E
4.
This nebula is a(n)
(A) accretion disk for a black hole (B) planetary nebula (C) protostar
(D) reflection nebula (E) supernova remnant.
5.
Which of the following is a good estimate of
the disk diameter of the Milky Way Galaxy?
(A) 3,000 ly in diameter (B) 10,000 ly in diameter (C) 30,000 ly in diameter
(D) 100,000 ly in diameter (E) 300,000 ly in diameter
6.
The small bright blue region (right of center)
is a
(A) black hole (B) neutron star (C) satellite galaxy
(D) supernova (E) wormhole.
7.
If the Hubble constant doubles, the age of the
universe
(A) becomes 1/4 the previous value (B) halves (C) stays the same
(D) doubles (E) quadruples.
8.
This galaxy is in
(A) Andromeda (B) Cygnus (C) Orion (D) Pegasus (E) Triangulum.
9.
Identify the above astronaut.
(A) Ride (B) Bolden (C) Leonov (D) Tereshkova (E) Jemison
10.
This nebula, M16, is also known as the
(A)Eagle Nebula (B)Falcon Nebula (C)Giraffe Nebula
(D)Phoenix Nebula (E)Soaring Nebula.
11.
The super brilliant string theorist who is so much
smarter than the already smart string theorists is
(A) Albert Einstein (B) Carl Sagan (C) Ed Witten
(D) Emmy Noether (E) Stephen Hawking.
12.
Who is this scientist?
(A) E. Fermi (B) H. Yukawa (C) M. Curie
(D) M. Gell-Mann (E) R. Feynman
13.
Identify the big-bang scientist and priest, who
believed, like Galileo, that there should be no
contradiction between science and religion.
(A) De Sitter (1872-1934) (B) Einstein (1879-1955)
(C) Friedmann (1888-1925) (D) Hubble (1884-1953)
(E) Lemaitre (1884-1966)
14.
What is the Schwarzschild radius for a black hole
with a mass of 30 solar masses?
(A) 6 km (B) 9 km (C) 60 km (D) 90 km (E) 600 km
15.
This galaxy is
(A) M1 (B) M13 (C) M31 (D) M45 (E) M100.
16.
This scientist, who first solved the Einstein field
equations for a single spherical body, is
(A) Emmy Noether (1882-1935)
(B) Isaac Newton (1643-1727)
(C) Karl Schwarzschild (1873-1916)
(D) Stephen Hawking (b. 1942)
(E) Subrahmanyan Chandrasekhar (1910-1995).
17.
The interaction shown here is
(A) electromagnetic
(B) gravitational
(C) strong nuclear
(D) weak nuclear.
18.
How many types of neutrinos are there?
(A) 1 (B) 2 (C) 3 (D) 4 (E) 5
19.
This astronaut is
(A) Gagarin. (B) Glenn. (C) Resnick. (D) Tereshkova. (E) Titov.
20.
This astronaut is
(A) Bolden, C. (B) Bluford, G. (C) Lucid, S.
(D) McAuliffe, C. (E) McNair, R.
21.
Which two forces were the first to be unified?
(A) electromagnetic and gravitational
(B) gravitational and weak
(C) strong nuclear and gravitational
(D) weak nuclear and electromagnetic
(E) weak nuclear and strong nuclear
22.
A backpack of 360 lb weighs on the Moon about
(A) 30 lb (B) 60 lb (C) 120 lb (D) 240 lb (E) 360 lb.
23.
The weakest force in nature is the
(A) electromagnetic force (B) gravitational force
(C) strong nuclear force (D) weak nuclear force.
24.
Each of raisins in the bread is one centimeter away
from any of its closest neighbors, i.e., a neighboring
raisin to the left, right, above, or below it. The bread
is expanding at a rate such that the distance between each
of these neighbors will increase by 4 centimeter(s) in one
hour. Therefore, the expansion rate for the bread is 4 cm/hr
per cm. This is the Hubble constant for the bread:
H = 4 cm/hr/cm. What is the age of the bread?
(A) 15 minutes (B) 20 minutes (C) 30 minutes
(D) 45 minutes (E) 60 minutes
25.
This image comes from Project
(A) Apollo (B) Gemini (C) Mercury
(D) Voskhod (E) Vostok.
26.
The case labled "a" is a(n)
(A) closed universe with oscillations.
(B) closed universe with no oscillations.
(C) flat universe.
(D) open universe that is not flat.
(E) universe with no gravity.
27.
This astronaut is
(A) Fisher, Anna (B) Resnik, Judy (C) Ride, Sally
(D) Tereshkova, Valentina (E) Thornton, Kathy.
28.
The quark content of the proton is
(A) ddd (B) ddu (C) uud (D) uuu.
29.
Which of the following is smallest?
(A) neutron star
(B) Schwarzschild diameter for 100 solar-mass black hole
(C) white dwarf
30.
Which of the following has arms extended out
the most?
(A) Sa (B) Sb (C) Sc
31.
This throat passing through hyperspace in the
above figure is commonly known as a
(A) gateway (B) pulsar (C) string
(D) time tunnel (E) wormhole.
32.
The black hole indicated in the figure is
in the constellation
(A) Cygnus (B) Lyra (C) Orion (D) Pegasus (E) Taurus.
33.
This galaxy has Hubble classification
(A) E1 (B) E9 (C) Sa (D) Sb (E) SBb.
34.
This scientist suggested that the Hubble constant is
(A) H = 20 km/s/Mpc (B) H = 50 km/s/Mpc (C) H = 80 km/s/Mpc
(D) H = 120 km/s/Mpc (E) H = 150 km/s/Mpc.
35.
This background image was made in the
(A) gamma ray (B) infrared (C) microwave
(D) ultraviolet (E) visible.
36.
This photo is from Apollo
(A) 1 (B) 2 (C) 4 (D) 6 (E) 8.
37.
Which occurred first?
(A) The Freezing out of Fundamental Forces
(B) The Formation of Galaxies
(C) The Formation of Helium Nuclei
(D) The Formation of Molecules
(E) The Transparent Universe
38.
These colliding galaxies are called the
(A) eggs
(B) antennae
(C) coils
(D) spirals
(E) twins.
39.
Which element is formed in abundance next,
after helium in the core of stars?
(A) carbon
(B) neon
(C) iron
(D) oxygen
(E) silicon
40.
This scientist is
(A) M. Curie
(B) M. Geller
(C) E. Noether
(D) V. Rubin
(E) W. Freedman.
41.
What is the redshift if a 400-nm spectral line is shifted
to 1200 nm?
(A) 0.25
(B) 0.50
(C) 1.00
(D) 1.50
(E) 2.00
42.
During which step in the proton-proton cycle is a
neutrino emitted?
(A) 1st
(B) 2nd
(C) 3rd
43.
This figure, if rotating, is a model of a
(A) black hole
(B) neutron star
(C) protostar
(D) red giant
(E) white dwarf.
44.
This astronaut (center) is
(A) Michael Ruiz
(B) R. Mike Mullane
(C) Randy Booker.
45.
In neutronization, which of the following
is not one of the products?
(A) electron (B) neutrino (C) neutron
46.
This space capsule
(A) is from Project Mercury
(B) is Laika's spaceship
(C) is the Space Shuttle
(D) is a spaceship that landed in Roswell
(E) contains an alien inside.
47.
Which of the following constellations is not in
the Milky Way region of the sky?
(A) Cassiopeia (B) Cygnus (C) Perseus
(D) Scorpius (E) Ursa Minor
48.
This rocket was made in the
(A) US
(B) USSR.
49.
With a Hubble constant of 100 km/s/Mpc, a recessional
speed of 100,000 km/s indicates a distance of
(A) 1 Mpc
(B) 10 Mpc
(C) 100 Mpc
(D) 1000 Mpc
(E) 10,000 Mpc.
50.
Identify the discoverer of the first Einstein Ring.
(A) Jocelyn Bell
(B) Jacqueline N. Hewitt
(C) Emmy Noether
(D) Judy Resnik
(E) Valentina Tereshkova.
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