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Physics & Space Science - Introductory Astronomy: Pace 1 Quiz

1
Which of the following conditions lead you to see an absorption line spectrum from a cloud of gas in interstellar space?
2
What causes the apparent retrograde motion of the planets?
3
Which of the following typically orbit within the disk of our galaxy?
4
The coefficient of linear expansion of lead is 29 × 10-6 K-1. What change in temperature will cause a 10-m long lead bar to change in length by 3.0 mm?
5
While we can't completely rule out a connection between the sunspot cycle and weather cycles on Earth, most scientists doubt there is a significant effect because
6
Each of the following lists two statements. Which two are the basic premises for the special theory of relativity?
7
No matter where you live on Earth, the Sun is always directly overhead at noon
8
Which of the following is a consequence of Hubble's Law?
9
How do the size and mass of Jupiter's core compare to the size and mass of Earth?
10
Ninety percent of all stars fuse helium to form carbon and lie on the main sequence
11
Determine the number of significant figures in 24.0 seconds
12
Substitute the correct prefix to the fun-word "10-cards"
13
Once oxygen started to be manufactured by cyanobacteria, why did it take so long to build up to significant levels?
14
One observation supporting the idea of a spherical Earth is that ________.
15
When we see a binary system producing eclipses, we know that the orbit is nearly edge-on
16
Four of the five answers listed below are aspects of the scientific method. Select the exception
17
Which of the following is the phase of matter in the Sun?
18
According to the HST data, very distant (and early) galaxies tend to be
19
Mercury has a weak magnetic field because of its iron core
20
Study this H-R diagram. Which of the following stars has (or had) the longest hydrogen fusing lifetime? (The red arrows help you locate these stars on the diagram.)
21
Saturn's belts and zones are obscured by haze high in its atmosphere
22
What principle was Copernicus unable to provide evidence against?
23
In Hubble's "tuning fork," spirals are on the parallel branches
24
During aerobic respiration, glucose becomes _______________ (as it gives up electrons) and coenzymes become _______________ (as they accept electrons)
25
Almost all of the complex molecules found in space are based on ________ atoms
26
Earth is an example of a Jovian planet
27
What kinds of objects lie in the disk of our galaxy?
28
Roughly how far across is the Milky Way?
29
If the Sun instantaneously shrunk dramatically in size but retained the same mass, what would happen to the Earth?
30
How do we know the expansion of the universe is accelerating?
31
Angular distance from the horizon to the south celestial pole always equals your latitude
32
All of the Asteroids in the Asteroid Belt together have
33
The vernal equinox marks the beginning of spring in the northern hemisphere
34
A 60. gram toy rocket achieves a speed of 80. m/s after 3.0 s, when fired straight up. What is the average total force on the rocket during the 3 s?
35
A lamp radiates 75. J/s when the room is set on 27°C but it radiates 90. J/s when the room temperature drops to 10.°C. What is the temperature of the lamp?
36
The celestial equator always crosses the horizon at the east point and west point
37
Neutral hydrogen is most obvious in the electromagnetic spectrum:
38
Theoretical calculations indicate that a star more massive than some threshold around 15 or 20 solar masses will collapse and become a black hole when its nuclear fuel is exhausted
39
Stars are born in
40
The Drake Equation is attempting to find
41
The triple-alpha process
42
Substitute the correct prefix to the fun-word "1012-tory"
43
A normal neutron star is spun up to a millisecond pulsar by accretion of matter from a ________ binary companion
44
The event horizon is located at the Schwarzschild radius
45
The antimatter equivalent of an electron is called a
46
What observational evidence suggests that the centers of quasars are small, about a fraction of a light-year?
47
About what percent of all asteroids are C-type asteroids?
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