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Astronomy Unit 3 Flashcards | StudBud
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Astronomy Unit 3
Astronomy Unit 3
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1
What is a "blood moon"?
When there is a full moon during the fall
When the Moon appears red during a total lunar eclipse
When the Moon appears red during a total solar eclipse
The second full moon appears red during a total solar eclipse
2
In what phase does half of the Moon appear illuminated?
Last Quarter
Both Blue and Yellow
First Quarter
Gibbous
3
What is a geosynchronous orbit?
A low altitude orbit around any planet
An orbit aroundthe Earth
When one orbit around Earth is completed in exactly one day
When a satellite is always above the same point on the equator
4
What causes the Moon to be illuminated?
It used to be its own planet until it was captured in Earth's gravity
It reflects light from the Sun
It reflects light from distant stars
It produces its own light
5
How was the moon created?
It used to be its own planet until it was captured in Earth's gravity
It was the result of two asteroids colliding
It was formed the same way as the Earth
An object crashed into Earth creating debris that became the Moon
6
The Moon must be in which phase for a lunar to occur?
Full Moon
New Moon
Waxing Gibbous
Waxing Cresent
7
What are Circumpolar Constellations?
Both B and C
Constellations that can only be seen during a certain time of year
Constellations that never appear to set
Constellations that can be seen all year long
8
The Moon must be in which phase for a solar eclipse to occur?
Waxing Cresent
New Moon
Waning Gibbous
Full Moon
9
What moon phases is this
Full moon
New moon
Waning crescent
Waxing crescent
10
What is the darkest part of the Earth's shadow called?
Syzygy
Corona
Umbra
Penumbra
11
Why might the gas giants have so many moons compared to terrestrial planets?
Their rings add to their gravitational force
They are furtherfrom the Sun
Their gaseous atmospheres create satellites
They are much more massive
12
The Newton's Law of Attraction states that gravitational force of attraction between two objects depends on their masses
True
False
13
What moon phases is this
Full moon
Waning crescent
New moon
Waxing crescent
14
What moon Phases is this?
Waxing Cresent
First Quarter moon
New moon
Waxing Gibbous
15
What does gibbous mean?
Partial
Between Quarter Moon and Full Moon
Oval
Larger than a semi-circle, less than a circle
16
When should you wear eye protection while viewing eclipses?
During total solar eclipses
During lunar eclipses
During any solar eclipse
During annular solar eclipses
17
What is syzygy?
The alignment of the Sun, Earth, and Moon
The Earth's shadow on the moon
When the Moon only blocks the central portion of the Sun
The Sun's outermost layer, seen during a solar eclipse
18
Which of the constellations can you see if you live on the Equator?
The Southern Hemisphere's constellations
The ecliptic constellations
A,B, and C
The Northern Hemisphere's constellations
19
What are some uses for artificial satellites?
GPS
All the above
To study weather and climate patterns
For surveillance missions
20
Which of the following is NOT a main factor that differentiates asteroids, comets and meteoriods?
Composition
Speed
Location
Size
21
Which part of the Sun is visible during a total solar eclipse?
Corona
None of the Sun is visible
Penumbra
Syzygy
22
Why aren't asteroids spherically shaped?
They travel through space too slowly
They are too massive
Their gravitational force is not strong enough
Tobey Maquire is the best Spider-Man
23
Which is an example of a common asterism?
The Big Dipper
Gemini
Ursa Major
Ursa Minor
24
What does waxing mean?
Shortening
Widening
Shrinking
Growing
25
What is the advantage of space telescopes?
They are not restricted by Earth’s atmosphere
They are easily maintained
They are lessexpensive tooperate
Instruments can easily be updated as new advancements are made
26
A "shooting Star" is more accurately called what?
Meteor
A asteroid
Comet
Meteorite
27
Which planet has rings orbiting it?
Saturn
A, B, and C
Uranus
Jupiter
28
What are satellites?
The moons of a planet
Any object orbiting the Earth
Electronics orbiting Earth
Objects orbiting larger astronomical bodies
29
What does waning mean
Brightening
Shrinking
Widening
Growing
30
What is a "Blue Moon"?
The nickname for the December Full Moon
When there are two full moons in one month
When the Moon appears blue
another name for a New Moon
31
A solar eclipse can be seen by...
everyone on earth
a small portion of the earth
everyone experiencing day
everyone experiencing night
32
Which of the following CANNOT be seen from the Southern hemisphere?
Crux
Aries
Polaris
Sagittarius
33
Why did the International Astronomical Union standardize the names of constellations?
To overcome language barriers
To make the creation of star charts easier
So that no constellation could be named after a certain person
Because there were many variations of names for the same star grouping
34
What moon phases is this
Waning gibbous
Third quarter
First quarter
Waxing gibbous
35
In what phase does the Moon appear fully illuminated?
Crescent
Gibbous
Full Moon
New Moon
36
What is an annular solar eclipse?
When the Moon only blocks the central portion of the Sun
A solar eclipse that occurs once a yeat
When the Moon only blocks an off-center portion of the Sun
A solar eclipse that occurs during the summer months
37
What is an eclipse?
When an astronomical object casts a shadow on another
When the Moon is not visible in the sky
When dark spots on the Sun's surface cause less light to reach the Earth
When the Sun sets during the day
38
Which of the astronomical objects has not had observed satellites?
Asteroids
Planets
Meteors
Dwarf Planets
39
Why will Polaris not always be the North Star?
Polaris is drifting away
The Earth's path around the Sun is always shifting
The Earth's axis is wobbling
Polaris is dying
40
What was likely the cause of the extinction of the dinosaurs?
A large asteroid or comet striking the Earth
A violent meteor shower
Extreme solar wind
A gravitational shift caused by a large comet
41
What are the ecliptic constellations also known for?
Circumpolar constellations
Asterisms
Equatorial constellations
The zodiac
42
Why doesn't a solar eclipse occur during every New Moon?
Solar eclipses can only occur in the spring or fall
The Moon's orbital path is tilted
The Moon is usually too far away
The Earth must be at the shortest part of its orbit
43
In what phase does the Moon appear dark?
Full Moon
Crescent
Gibbous
New Moon
44
What is the difference between meteoroids, meteors, and meteorites?
Size
Composition
Location
Speed
45
What is an asterism?
A grouping of stars that is not an artificial constellation
A small constellation
A constellation that is used for navigation
An unofficial name for a constellation
46
What is a supermoon? (Muliple answers)
When the moon is furthest from the Earth
When the Moon is closest to the Earth
Both Red and Yellow
The largest full moon of the year
47
What is trilateration?
The ISS’s special orbit around Earth
Determining your position on Earth using satellites
Using satellites tomonitor weathe
Using satellites for intelligence missions
48
What moon phases is this
Waning gibbous
First quarter
Third quarter
Waxing gibbous
49
What are "moonlets?"
Small chunks ofrock in planet’srings
Natural satellites around a come
Natural satellites around an asteroid
The moons of a dwarf planet
50
The Moon must pass though the prenumbra to become a red moon
True
False
51
Which objects has the most elliptical orbit?
Meteors
Meteorites
Comets
Asteroids
52
Where do comets spend most of their time?
Near Mars
The asteroid belt
Close to the Sun
The Oort Cloud
53
What are asteroids made of?
Solid Iron
Ice and Dust
Rock and Metal
Dirt
54
What moon phases is this
Full moon
New moon
Waxing crescent
Waning crescent
55
Which of these planets has the most moons?
Mercury
Venus
Jupiter
Mars
56
What kind of eclipse is this?
Total Solar Eclipse
Hybrid Solar Eclipse
Lunar Eclipse
Annular Solar Eclipse
57
What is the term "contellation" mean?
Sky animals
Star System
Star Pictures
Grouping of stars
58
Why does the Moon have more visible craters than the Earth?
Meteors are attracted to the Moon than the Earth
The moon shields the Earth from many meteors
The Moon's Surface is softer, so meteors create bigger craters
The moon lacks an atmosphere to burn up incoming meteors
59
What is precession?
The setting of stars of a planets axis
The change in direction of a planet's axis
When the Stars are used for navigation
The Earth's rotation
60
What differentiates asteroids from dwarf planets?
Shape
Location
Composition
Speed
61
Which is NOT an example of a satellites?
The Moon
The Voyager space probes
The Galilean Moons
The ISS
