April 18, 2017
Astronomy 1110 - 21 Practice Final
Voges Fall 2015
*The final exam is cumulative. You should review material from the entire semester.
Remember, if you do better on this exam than either of your first two, I will replace you
When stars are viewed through a telescope, they typically
appear as bright points of light without any apparent size or
structure. However, there are some objects in the sky that,
when viewed through a telescope, look fuzzy and cloud
Astronomy 1110 21 Practice Exam 2
Along with completing this practice exam, you will want to recharge your reading
assignments, as well as review your homework assignments. This exam includes chapters 12
April 9, 2017
Part I: Expansion, Distance, and Velocity
Consider the small section of the universe containing four galaxies (A D), shown in Figure 1 below. The
distances between each galaxy are also shown.
April 16, 2017
Looking at Distant Objects
Imagine that you have received six pictures of six different children who live near six of the closest stars
to the Sun. Each picture shows a child on his or her 12 th birthday. The pi
April 4, 2017
ASTR 1110 - 21
Homework: Chapter 16, The Interstellar Medium
Highlight the correct choice for each question.
1. When starlight passes through interstellar dust
a. it gets fainter.
b. the blue light tends to scatt
April 16, 2017
The Big Bang
Diagrams A and B below each represent a different way of thinking about how very large regions of the
universe change over time. The dots in each diagram represent pieces of matter.
1. Which diagram
ASTR 1110 21, Milky Way Assignment
1. Sketch the Milky Way twice, once showing an edge-on view and once showing a face-on view.
Label the Sun. Also label the Disk, Bulge, and Halo. Indicate on both views what types of objects
you would find in the Disk, B
EM in My Life Reflection
Understanding light is pivotal to the study of astronomy, as it is our primary means of learning
about astronomical objects. Unlike other sciences, astronomers cannot easily go out into the
field to retrieve samples and bring them
EM Spectrum of Light Assignment
For the three questions, use all of the following types of radiation:
1. The electromagnetic spectrum of light is often arranged in ter
Different colors of light are manifestations of the same phenomenon but have different wavelengths.
For example, red light has a wavelength between 650 nm and 750 nm, whereas violet light has a shorter
wavelength between 350 nm and 450
Doppler Shift Ranking Tasks
Description: The figure below shows a train traveling toward the right and sounding its horn. Three
persons are shown at locations A, B and C. Assume that all three people can hear the train blowing its
The image below shows a planet's orbit. The twelve positions shown (A-L) are each exactly one
month apart. The planet shown obeys Kepler's second law.
Respond to the following questions using complete sentences:
1. Does the planet appear to be traveling t
Description: The figure below shows several objects (A D) of different masses located on the
surface of the Earth.
A. Ranking Instructions: Rank (from greatest to least) the strength of the gravitational force
exerted by Earth on each of the o
Types of Spectra
of spectrum is produced when the light emitted directly
from a hot, dense object passes through a prism?
2. What type
of spectrum is produced when the light emitted directly from a hot,
Refracting telescopes make images
with a lens
Reflecting telescopes make images
with a mirror
Modern research telescopes are all
CCDs are used for data collection
Data can be formed into image,
analyzed spectroscopically, or used
ASTRO 1010 Final Exam Notes
Angular size, distance from earth, and the objects diameter all correlate with each other
Seasons are defined by the tilt of the axis of earth
Ecliptic is the celestial line that all planets reside on based off the orbits
Summary of Chapter 1
Astronomy: Study of the universe
Scientific method: Observation,
theory, prediction, observation,
Stars can be imagined to be on
inside of celestial sphere; useful for
Plane of Earths orbit around Sun