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Test 1 - Unit Review Flashcards | StudBud
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Test 1 - Unit Review
Test 1 - Unit Review
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Answers
1
Which has a longer wavelength: ultraviolet or infrared radiation?
Ultraviolet radiation
Infrared radiation
Neither, they don’t have wavelengths
They have the same wavelength
2
Does Earth’s atmosphere allow all forms of electromagnetic radiation to pass through?
No, Earth’s atmosphere blocks some forms of electromagnetic radiation
Yes, all electromagnetic radiation passes through Earth’s atmosphere
Yes, except for radio waves
No, light waves cannot travel through the earths atmosphere
3
Who formulated the laws of planetary motion, describing how planets move in ellipses around the Sun?
Isaac Newton
Johannes Kepler
Nicolaus Copernicus
Galileo Galilei
4
How did Galileo make his most important astronomical observations?
Using a telescope he built himself
By observing satellite images
With the naked eye
Through mathematical calculations
5
Who calculated the Earth's circumference and made significant contributions to geography and astronomy?
Copernicus
Eratosthenes
Ptolemy
Al-Khwarizmi
6
Are constellations important today compared to in history?
Their importance has moved from navigation to cultural/educational purposes
Yes, they are crucial for modern navigation
No, they are no longer relevant in any way
They are only important for astrology and strange people
7
A Cyan light shines on a shirt; it looks green. A Magenta light shines; it looks red. What color is it in White light?
Red
Green
Yellow
Blue
8
According to Newton's First Law of Motion, what will happen to a moving object if no external forces act upon it?
It will accelerate
It will come to rest
It will change direction
It will continue moving at a constant speed in a straight line
9
How do we determine a what a star is made of without having been there?
By using spectroscopy
By using gravitational waves
By using radio waves
By using parallax measurements
10
Cassiopeia is known in mythology as:
A hero who completed twelve labors
A sea monster defeated by Perseus
A queen who boasted about her daughters beauty
A hunter chasing the Pleiades
11
On the Celestial Globe, right ascension is equivalent to Earth's:
Latitude
Longitude
Altitude
Time zones
12
A circumpolar constellation is one that:
Never sets below the horizon from a viewer's perspective
Is visible only during certain seasons
Moves around the entire globe along the ecliptic
Is only visible at the equator
13
What is the effect called when the position of an object appears to differ based on your viewing angle or distance?
Doppler effect
Parallax
Standard Candles
Magnitude Comparison
14
The constellation Orion is located in which celestial hemisphere(s)?
Both northern and southern hemispheres
Northern hemisphere only
Southern hemisphere only
Neither hemisphere
15
Which star rests at the northern celestial pole on the Celestial Globe? (Celestial Globes needed out for next one)
Sirius
Betelgeuse
Polaris
Vega
16
What type of wave is a radio wave?
Infrared wave
Sound wave
Electromagnetic wave
Mechanical wave
17
Which pair of constellations is associated with the mythological story involving a winged horse and a princess?
Orion and Cassiopeia
Hercules and Draco
Ursa Major and Ursa Minor
Pegasus and Andromeda
18
Which constellation is located on the ecliptic?
Capricornus
Orion
Cassiopeia
Ursa Major
19
Which of the following is the name of this constellation?
Canes-Venatici
Bootes
Cepheus
Corona Borealis
20
How does light behave according to quantum mechanics (The physics of REALLY small things)?
As both a wave and a particle
As a wave only
As a particle only
It behaves differently depending on the source
21
Which model of the universe holds that Earth is at the center and everything else moves around it?
Stellar model
Geocentric model
Heliocentric model
Galactic model
22
How does the frequency of gamma waves compare to microwaves?
Microwaves have a higher frequency than gamma waves
Gamma waves have a much higher frequency than microwaves
Gamma waves and microwaves have the same frequency
Gamma waves have a lower frequency than microwaves
23
You will need a celestial globe for the next few. The star "Vega" is located at which coordinates?
Right ascension of 5h 55m and declination of -5°
Right ascension of 14h 15m and declination of -60°
Right ascension of 20h 10m and declination of +38°
Right ascension of 18h 36m and declination of +38°
24
Can electromagnetic waves travel through the near-perfect vacuum of space?
Only sound waves can travel through space.
Electromagnetic waves need a medium to travel.
Only visible light can travel through space.
Electromagnetic waves can travel through space.
25
What part of the eye is used to limit the amount of light that enters your eye?
Pupil
Rods
Cones
Cornea
26
What are Fraunhofer lines?
White lines that appear when shining light through a gas
Black lines that appear when shining light through a gas
The Visible Spectrum
Colorful lines appearing on the electro-magnetic spectrum
27
Ursa Major and Ursa Minor are Latin names meaning:
Great Bear and Little Bear
Twin Brothers
Large Lion and Small Lion
Big Dipper and Little Dipper
28
What color is the sun when observed from space?
White
Yellow
Blue
Red
29
Who demonstrated the existence of galaxies beyond the Milky Way and discovered the expansion of the universe?
Edwin Hubble
Stephen Hawking
Albert Einstein
Carl Sagan
30
What term describes the brightness of a star from the perspective of someone on Earth?
Absolute Magnitude
Luminosity
Apparent Magnitude
Parallax of light
31
In a vacuum, which travels faster: blue light or red light?
Red light travels faster
Blue light travels faster
They do not travel in a vacuum
Both travel at the same speed
32
The constellations lying along the ecliptic are collectively known as the:
Circumpolar Constellations
Asterisms
Celestial Equator
Zodiac
