What is Kepler's first law?

Planets move in elliptical orbits

Why is the speed of light special?

It is the absolute maximum speed in the Universe

Which types of electromagnetic radiation can transmit through our atmosphere?

Visible Wavelengths (light), Radio

If our galaxy were scaled to the size of a football field - how big would our entire solar system be?

Tip of a blade of grass on the 30 yard line

What is Kepler's second law?

Planets move at different speeds in their orbits - equal area/equal time

What has been used to prove Einstein's Theory of General Relativity?

The bending of light in space as it passes by large masses

What is Newton's first law of motion?

Bodies remain at rest when net force is zero, Bodies move at a constant velocity when net force is zero

What is the general property of any wave?

Waves carry energy from place to place without disturbing the medium

What is meant by the inverse square law property of Newton's Universal Law of Gravity?

Force is inversely proportional to distance squared(1/d2) between 2 masses

What is Kepler's third law?

p2 = a3, a is measured in astronomical units (AU), p is measured in years

Explain the precession of Earth and how it causes the Zodiac to slip gradually to the East.

Earth woobles like a top gradually causing the Zodiac to slip to the east

What is the relationship between frequency and energy with respect to the electromagnetic spectrum?

Higher the frequency higher the energy

Why can't we actually take a picture our galaxy the Milky Way?

light takes 100,000 years just to reach the edge of the galaxy impossible, Its so big and vast we could never travel outside of it to take a picture

What physical phenomenon causes the generation of electromagnetic waves?

Accelerating Electric Charges - protons - for gamma rays, Accelerating Electric Charges - electrons - up to X-Rays

What is an example of a transverse wave?

Electromagnetic radiation/light

What is the principal reason for the seasons on Earth?

Axial tilt of Earth at 23.5 degrees

How do you explain the color you see for example when someone is wearing a bright yellow shirt?

Shirt is reflecting only yellow light, Shirt is absorbing the other wavelengths

What is the value of the speed of light?

3.0 x 10 8 m/s, 3.0 x 10 5 km/s

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Introduction to Astronomy Fall 2024 - Section 11

81 termsStudBud Administration131 plays

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Questions 81

Answers

1
If you are observing a star that has a red shifted spectrum what is true about its motion?
Star is approaching you
Star is stationary
Star is receding from you
None of the above
2
Temperature scale - F° what temperatures does water freeze and boil at?
None of the above
0, 100
32, 212
273, 373
3
What is true about the frequency, that is the pitch of the siren of a fire engine as it approaches you (Doppler Effect)?
Frequency (pitch) is unchanged
Frequency (pitch) is higher
Depends on the air temperature
Frequency (pitch) is lower
4
What is Kepler's first law?
None of the above
Planets move in circular orbits
Planets move in retrograde
Planets move in elliptical orbits
5
What is the relationship between the amplitude and direction of propagation for a transverse wave?
Parallel
Transparent
Perpendicular
Opaque
6
If you are observing a star that has a blue shifted spectrum what is true about its motion?
Star is approaching you
Star is stationary
Star is receding from you
None of the above
7
Why is the speed of light special?
It is the maximum speed in the Universe but can't be measured
It is the absolute maximum speed in the Universe
It is only the maximum speed of light not other electromagnetic radiation
All of the above
8
Planets like Mars actually undergo retrograde motion.
False
True
9
Which types of electromagnetic radiation can transmit through our atmosphere?
Infrared
X-ray
Visible Wavelengths (light)
Radio
10
Temperature scales - K value of absolute 0?
-459
0
-273
None of the above
11
At any given time 50% of the Moon's surface is illuminated by the Sun.
True
False
12
If our galaxy were scaled to the size of a football field - how big would our entire solar system be?
Baseball on the 30 yard line
Golf ball on the 30 yard line
Tip of a blade of grass on the 30 yard line
Football on the 30 yard line
13
The coordinates of the Winter Solstice are?
18 hours, -23.5 degrees
6 hours, +23.5 degrees
12 hours, 0 degrees
0 hours, 0 degrees
14
The coordinates of the Summer Solstice are?
18 hours, -23.5 degrees
6 hours, +23.5 degrees
12 hours, 0 degrees
0 hours, 0 degrees
15
What is Newton's second law of motion?
a=F/m or F=ma
a= m/F
1/a = F/m
None of the above
16
Any heated body above absolute (0 K) emits blackbody radiation.
True
False
17
What is the acronym for the visible spectrum?
ROYGBIV
ROYG
None of the above
GBIV
18
Temperature scales - C° value of absolute 0?
0
-459
None of the above
-273
19
How long will it take Voyager to reach our closest star Alpha Centauri?
1,000,000 years
We don't know
40,000 years
10 light years
20
Who was the Greek mathematician that created the geocentric model of the solar system?
Newton
Galileo
Ptolemy
Einstein
21
The Moon's shadow on the Earth causes what type of an eclipse?
Annual ecliptic
Depends on the node
Lunar eclipse
Solar eclipse
22
There is a dark side of the moon.
False
True
23
What is Kepler's second law?
Planets move in retrograde
Planets move in synchronous orbits
Planets move at different speeds in their orbits - equal area/equal time
Planets move at constant speeds
24
What is the name for the bending of light when transmitting from a low density medium to a high density medium?
Absorption
Refraction
Diffraction
Reflection
25
What does Astronomy encompass?
Physics
All aspects of Science
Biology
Chemistry
26
What has been used to prove Einstein's Theory of General Relativity?
Has never been proven
Is incorrect Newton's Universal Law of Gravity is the correct law
Large masses physically bend time space to make it curved
The bending of light in space as it passes by large masses
27
Which has a higher frequency violet or red light?
Depends on the medium
Red
Need more information
Violet
28
What is Newton's first law of motion?
Bodies remain at rest when net force is zero
Bodies accelerate when net force is zero
Things move very quickly
Bodies move at a constant velocity when net force is zero
29
What is the general property of any wave?
Ocean waves carry surfers
The wave is what you do when you are at a footbal game
Waves carry sounds
Waves carry energy from place to place without disturbing the medium
30
What are the analogous coordinates for longitude on the celestial sphere?
Right Ascension
Declination
Parabola
Parallax
31
What are the paths of the visible stars at the equator?
None of the above
Circumploar
Rise in the east, dip south, set west
Move horizontally
32
What is Newton's third law of motion?
Good example is the normal force
Forces act in pairs
All of the above
Forces act in equal and opposite directions
33
What is meant by the inverse square law property of Newton's Universal Law of Gravity?
Force is inversely proportional to the distance between 2 masses
Force is directly proportional to the distance between 2 masses
Depends on the planet you are on
Force is inversely proportional to distance squared(1/d2) between 2 masses
34
What is Kepler's third law?
p2 = a3
p1 = a5
a is measured in astronomical units (AU)
p is measured in years
35
What are the paths of visible stars at the poles?
Circumpolar
None of the above
Move horizontally
Rise in the east, dip south, set west
36
Earth's shadow on the Moon causes what type of an eclipse?
Solar eclipse
Annular ecliptic
Lunar Eclipse
Depends on the node
37
Explain the precession of Earth and how it causes the Zodiac to slip gradually to the East.
Earth woobles like a top gradually causing the Zodiac to slip to the east
Zodiac woobles like a top gradually causing the Earth to slip to the east
Zodiac doesn't move this is false
Sun woobles on the ecliptic
38
What is a great example of a longitudinal wave?
Ocean
Sound
Electromagnetic
Water
39
What was the name of the Greek mathematician that originally proposed the heliocentric solar system?
Aristarchus
Einstein
Aristotle
Newton
40
What is the relationship between frequency and energy with respect to the electromagnetic spectrum?
Higher the frequency lower the energy
Higher the frequency higher the energy
Frequency and energy are independent
Lower the frequency higher the energy
41
What is the length of a sidereal day?
24 hours
23 hours & 56 minutes
12 hours
24 hours & 4 minutes
42
Why can't we actually take a picture our galaxy the Milky Way?
It doesn't emit enough visible light
light takes 100,000 years just to reach the edge of the galaxy impossible
Its so big and vast we could never travel outside of it to take a picture
We have taken a picture this is false
43
The coordinates of the Autumnal Equinox are?
18 hours, -23.5 degrees
0 hours, 0 degrees
12 hours, 0 degrees
6 hours, +23.5 degrees
44
What are the analogous coordinates for latitude on the celestial sphere?
Parabola
Right Ascension
Declination
Parallax
45
What physical phenomenon causes the generation of electromagnetic waves?
Accelerating Electric Charges - protons - for gamma rays
Accelerating Electric Charges - electrons - up to X-Rays
Sound waves
Water waves
46
What is an example of a transverse wave?
Ocean
Water
Electromagnetic radiation/light
Sound
47
What is the principal reason for the seasons on Earth?
Eccentric orbit
Moon's gravity
Distance from the Sun
Axial tilt of Earth at 23.5 degrees
48
How do you explain the color you see for example when someone is wearing a bright yellow shirt?
Shirt is reflecting only yellow light
Shirt is absorbing the other wavelengths
You can only see yellow light in this case
Shirt is emitting only yellow light
49
How did Galileo determine that the geocentric model was just not correct?
Found Moons orbiting Juptier
All of the above
Observed the phases and variations in size of Venus
Observed moutains on the Moon
50
Earth is the center of the known Universe.
False
True
51
What is the value of the speed of light?
3.0 x 10 8 m/s
3.0 x 10 5 km/s
340 m/s
None of the above
52
Temperature scale - K what temperatures does water freeze and boil at?
0, 100
273, 373
32, 212
None of the above
53
Why did ancient civilizations study Astronomy?
To know when to start their Holidays
To know when to worship the Sun
For religious ceremonies
To know when to plant and harvest their crops
54
What is the length of a solar day?
12 hours
24 hours & 4 minutes
23 hours & 56 minutes
24 hours
55
What is true about the frequency, that is the pitch of the siren of a fire engine as it moves away from you?
Frequency (pitch) is lower
Depends on the air temperature
Frequency (pitch) is higher
Frequency (pitch) is unchanged
56
What were the main concepts of the Copernican revolution (heliocentric model of the solar system)?
Earth and the planets rotate around the sun
Planets travel in ellipses
Stars are much further away from us than our Sun
Sun is at the center of the Solar system
57
Temperature scales - F° value of absolute 0?
None of the above
-273
0
-459
58
What is the relationship between wavelength and frequency with respect to the electromagnetic spectrum?
Wavelength and frequency are independent
Shorter the wavelength lower the frequency
Shorter the wavelength higher the frequency
Depends on the medium
59
What do light years measure?
Frequency
Mass
Distance
Time
60
Tides are caused by the gravitational pull of the Moon.
True
False
61
What are the main ideas of the geocentric model of our solar system?
Earth is at the center of the Universe
all planets rotate around Earth
All of the above
Sun rotates around Earth
62
You can reach absolute zero - that is 0 K. (-459 F°, -273C°)
False
True
63
What is the major effect of the tilted axis of Earth?
The phases of the Moon
The annual seasons we experience
The tides
Severe weather such as hurricanes and tornadoes
64
What is the direction of rotation for the Earth?
Stationary doesn't rotate
Counter clockwise
Clockwise
Retorgrade
65
The coordinates of the Vernal Equinox are?
18 hours, -23.5 degrees
12 hours, 0 degrees
0 hours, 0 degrees
6 hours, +23.5 degrees
66
What is the basic property of wavelength?
Distance measured from trough to trough in meters for example
Distance measured from peak to peak in meters for example
Distance measured from "zero" line to peak of the wave
Depends on if it’s a longitudinal or transverse wave
67
Where did Copernicus’ model fall short?
Assumed circular orbits
Assumed ellitpical orbits
Assumed synchronous orbits
Assumed stationary orbits
68
What makes a theory scientific?
Cannot be proven 100% correct - falsifiability
Can be proven 100% correct
Only if has been proven to be a law
Can be tested
69
What are the paths of visible stars at the middle latitudes?
Move horizontally
None of the above
Circumploar
Rise in the east, dip south, set west
70
What is the direction of rotation of the celestial sphere?
Counter clockwise
Clockwise
Stationary doesn't rotate
Retorgrade
71
Why can’t sound propagate in a vacuum?
Sound needs a medium - i.e. air to propagate
Too hot in a vacuum
No one there to hear the noise from a sound wave
It's too cold in a vacuum
72
When I apply a force say when I lean on a wall the wall pushes back on me with an equal amount of force.
True
False
73
What is the cause of gravity based on Einstein's Theory of General Relativity?
Is incorrect Newton's Universal Law of Gravity is the correct law
Has never been proven
Large masses physically bend time space to make it curved
Has been proven many times - particularly the bending of light in space
74
Why do we see the same side of the Moon at all times?
Because the Moon has a light and a dark side
Earth shares a synchronous orbit with the moon
Depends on what phase of the moon you are seeing
This isn't the case we see a different face
75
What are the principal characteristics of a star that can be determined from a blackbody diagram?
Spherical diameter of the star
Age of the star
Temperature of the star
Distance to the star
76
What is the name for the bending of white light seen in a prism generating a visible spectrum?
Reflection
Dispersion
Absorption
Spectroscopy
77
Astrology is a pseudo science because of which of the following?
Actually can't be proven false
Cannot be tested - not truly measurable
Actually can be proven to be 100% true
Uses gross generalities to explain behaviors on any given day
78
Why do we see different constellations throughout the year?
Constellations are moving around Earth
Constellations are moving around in our Galaxy
As we orbit the Sun we see different portions of the sky
Constellations are moving around the Sun
79
What is the relationship between the amplitude and direction of propagation for a longitudinal wave?
Perpendicular
Opaque
Parallel
Transparent
80
Parallax can be used to be measure what in Astronomy?
Time
Velocity
Distance
Mass
81
Temperature scale - C° what temperatures does water freeze and boil at?
273, 373
None of the above
0, 100
32, 212

Introduction to Astronomy Fall 2024 - Section 11 Flashcards | StudBud