Question 1

Approximately how many viruses are there at time step 5 in the figure below?

Accepted Answer

A)  2 
B)  10 
C)  30 
D)  90 
E)  100 
A)  2 
B)  10 
C)  30 
D)  90 
E)  100

Question 2

The distance to the nearest large spiral galaxy, the Andromeda Galaxy, is 2.4 * 1022 m.How long does it take light to travel from Andromeda to us?

Accepted Answer

A)  4.4 years 
B)  360 years 
C)  1.2 thousand years 
D)  2.5 million years 
E)  4.5 billion years 
A)  4.4 years 
B)  360 years 
C)  1.2 thousand years 
D)  2.5 million years 
E)  4.5 billion years

Question 3

What does the word dark mean in the terms dark matter and dark energy?

Accepted Answer

They are "dark" beca

Question 4

The speed of light is approximately

Accepted Answer

A)  3,000 km/s. 
B)  30,000 km/s. 
C)  300,000 km/s. 
D)  3 million km/s. 
E)  3 billion km/s. 
A)  3,000 km/s. 
B)  30,000 km/s. 
C)  300,000 km/s. 
D)  3 million km/s. 
E)  3 billion km/s.

Question 5

Explain the scientific definitions for the terms idea, hypothesis, and theory, and how they are distinct concepts from one another.

Accepted Answer

An idea can be any thought,a scientific

Question 6

After the Sun, the next nearest star to us is approximately ________ away.

Accepted Answer

A)  8 light-seconds 
B)  80 light-minutes 
C)  40 light-hours 
D)  4 light-years 
E)  200 light-years 
A)  8 light-seconds 
B)  80 light-minutes 
C)  40 light-hours 
D)  4 light-years 
E)  200 light-years

Question 7

The number 123,000 written in scientific notation is

Accepted Answer

A)  1.23* 106 
B)  1.23 *105 
C)  1.23 * 103 
D)  1.23 * 10-6 
E)  1.23 * 10-3 
A)  1.23* 106 
B)  1.23 *105 
C)  1.23 * 103 
D)  1.23 * 10-6 
E)  1.23 * 10-3

Question 8

Which graph in the figures below is a plot of a linear behavior?

Accepted Answer

A)  figure (a) 
B)  figure (b) 
C)  figure (c) 
D)  none of these 
E)  all three graphs 
A)  figure (a) 
B)  figure (b) 
C)  figure (c) 
D)  none of these 
E)  all three graphs

Question 9

According to the figure below, Earth is located approximately

Accepted Answer

A)  at the center of the Milky Way. 
B)  near the center of the Milky Way. 
C)  about halfway out from the center of the Milky Way. 
D)  at the farthest outskirts of the Milky Way. 
E)  outside the Milky Way, which is why we can see it as a band across the night sky. 
A)  at the center of the Milky Way. 
B)  near the center of the Milky Way. 
C)  about halfway out from the center of the Milky Way. 
D)  at the farthest outskirts of the Milky Way. 
E)  outside the Milky Way, which is why we can see it as a band across the night sky.

Question 10

When a change occurs on the surface of the Sun, how long does it take before astronomers on Earth can see the change?

Accepted Answer

A)  8 minutes 
B)  11 hours 
C)  1 second 
D)  1 day 
E)  It reaches us instantaneously. 
A)  8 minutes 
B)  11 hours 
C)  1 second 
D)  1 day 
E)  It reaches us instantaneously.

Question 11

If one thinks about the distance between Earth and the Moon, 384,400 km, approximately how much of that distance would Saturn and its rings take up?

Accepted Answer

A)  much more than this distance 
B)  less than half this distance 
C)  more than half this distance 
D)  exactly this distance 
E)  None of these choices is correct. 
A)  much more than this distance 
B)  less than half this distance 
C)  more than half this distance 
D)  exactly this distance 
E)  None of these choices is correct.

Question 12

What is the only thing that makes the Sun an exceptional star?

Accepted Answer

The fact t

Question 13

Albert Einstein's theory of relativity replacing Isaac Newton's theory of gravity is an example of

Accepted Answer

A)  a failure of the scientific method. 
B)  Occam's razor. 
C)  the cosmological principle. 
D)  the provisional nature of scientific knowledge. 
E)  the need for creativity in scientists. 
A)  a failure of the scientific method. 
B)  Occam's razor. 
C)  the cosmological principle. 
D)  the provisional nature of scientific knowledge. 
E)  the need for creativity in scientists.

Question 14

The majority of the mass in our universe is made up of

Accepted Answer

A)  planets. 
B)  stars. 
C)  galaxies. 
D)  dust. 
E)  dark matter. 
A)  planets. 
B)  stars. 
C)  galaxies. 
D)  dust. 
E)  dark matter.

Question 15

A snowstorm hits New York City in June (a typically snow-free month), and three newscasters each claim a different reason: Newscaster A claims that this storm is a random variation in the weather; Newscaster B claims that the seasons are shifting, and summer is now the new winter; and Newscaster C claims that the entire Earth is cooling down.Compare the validity of these three hypotheses using Occam's razor.

Accepted Answer

Occam's razor states that we cannot assu

Question 16

A theory is

Accepted Answer

A)  tied to known physical laws. 
B)  able to make testable predictions. 
C)  a hypothesis that has withstood many attempts to falsify it. 
D)  subject to being revised by new evidence. 
E)  all of these 
A)  tied to known physical laws. 
B)  able to make testable predictions. 
C)  a hypothesis that has withstood many attempts to falsify it. 
D)  subject to being revised by new evidence. 
E)  all of these

Question 17

If you compare the diameter of Earth to 1 minute of time, then what interval of time would represent the diameter of the Solar System? Assume the diameter of the Solar System is approximately 80 AU.

Accepted Answer

The diameter of Earth is 2 * 6,378 km= 1

Approximately how many viruses are there at time step 5 in the figure below?

The distance to the nearest large spiral galaxy, the Andromeda Galaxy, is 2.4 * 10²² m.How long does it take light to travel from Andromeda to us?

What does the word dark mean in the terms dark matter and dark energy?

The speed of light is approximately

Explain the scientific definitions for the terms idea, hypothesis, and theory, and how they are distinct concepts from one another.

After the Sun, the next nearest star to us is approximately ________ away.

The number 123,000 written in scientific notation is

Which graph in the figures below is a plot of a linear behavior?

According to the figure below, Earth is located approximately

When a change occurs on the surface of the Sun, how long does it take before astronomers on Earth can see the change?

If one thinks about the distance between Earth and the Moon, 384,400 km, approximately how much of that distance would Saturn and its rings take up?

What is the only thing that makes the Sun an exceptional star?

Albert Einstein's theory of relativity replacing Isaac Newton's theory of gravity is an example of

The majority of the mass in our universe is made up of

A theory is

If you compare the diameter of Earth to 1 minute of time, then what interval of time would represent the diameter of the Solar System? Assume the diameter of the Solar System is approximately 80 AU.

Patterns in the Skymotions of Earth and the Moon

Motion of Astronomical Bodies

Gravity and Orbits

Light

The Tools of the Astronomer

The Formation of Planetary Systems

The Terrestrial Planets and Earths Moon

Atmospheres of the Terrestrial Planets

Worlds of Gas and Liquidthe Giant Planets

Planetary Moons and Rings

Dwarf Planets and Small Solar System Bodies

Taking the Measure of Stars

Our Starthe Sun

The Interstellar Medium and Star Formation

Evolution of Low-Mass Stars

Evolution of High-Mass Stars

Relativity and Black Holes

Galaxies

The Milky Waya Normal Spiral Galaxy

The Expanding Universe

Cosmology

Large-Scale Structure in the Universe

Life

Filters

Exam 1: Thinking Like an Astronomer

Approximately how many viruses are there at time step 5 in the figure below?

The distance to the nearest large spiral galaxy, the Andromeda Galaxy, is 2.4 * 1022 m.How long does it take light to travel from Andromeda to us?

What does the word dark mean in the terms dark matter and dark energy?

The speed of light is approximately

Explain the scientific definitions for the terms idea, hypothesis, and theory, and how they are distinct concepts from one another.

After the Sun, the next nearest star to us is approximately ________ away.

The number 123,000 written in scientific notation is

Which graph in the figures below is a plot of a linear behavior?

According to the figure below, Earth is located approximately

When a change occurs on the surface of the Sun, how long does it take before astronomers on Earth can see the change?

If one thinks about the distance between Earth and the Moon, 384,400 km, approximately how much of that distance would Saturn and its rings take up?

What is the only thing that makes the Sun an exceptional star?

Albert Einstein's theory of relativity replacing Isaac Newton's theory of gravity is an example of

The majority of the mass in our universe is made up of

A theory is

If you compare the diameter of Earth to 1 minute of time, then what interval of time would represent the diameter of the Solar System? Assume the diameter of the Solar System is approximately 80 AU.

Patterns in the Skymotions of Earth and the Moon

Motion of Astronomical Bodies

Gravity and Orbits

Light

The Tools of the Astronomer

The Formation of Planetary Systems

The Terrestrial Planets and Earths Moon

Atmospheres of the Terrestrial Planets

Worlds of Gas and Liquidthe Giant Planets

Planetary Moons and Rings

Dwarf Planets and Small Solar System Bodies

Taking the Measure of Stars

Our Starthe Sun

The Interstellar Medium and Star Formation

Evolution of Low-Mass Stars

Evolution of High-Mass Stars

Relativity and Black Holes

Galaxies

The Milky Waya Normal Spiral Galaxy

The Expanding Universe

Cosmology

Large-Scale Structure in the Universe

Life

Filters

The distance to the nearest large spiral galaxy, the Andromeda Galaxy, is 2.4 * 10²² m.How long does it take light to travel from Andromeda to us?