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Solar System Flashcards

(81 cards)

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1
Q

What is the largets planet in the solar system?

A

Jupiter

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2
Q

True or False. Jupiter’s rings are made out of dust rather than ice

A

True

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3
Q

What is the largest moon in yhe solar system?

A

Ganymede

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4
Q

This is a moon with the most volcanically active body in the solar system.

A

Io

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5
Q

The few small crates within this moon indicate a small degree of current surface activity

A

Callisto

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6
Q

This is Jupiter’s moon which is suspected to have liquid water ocean beneath its ocean crust, that might have the ingredients for life

A

Europa

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7
Q

True or False. Jupiter has the largest ocean in the solar system.

A

True.
This is an ocean made out of hydrogen. The high temperature and pressure in Juliter, compresses hydrogen gas into liquid.

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8
Q

Why is their dark belts and bright zones in Jupiter?

A

Jupiter’s fast rotation, creates jet streams which separates clouds into dark belta and bright zones

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9
Q

What are the Galilean Satellites?

A

Io, Ganymede, Callisto, Europa

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10
Q

The second largest planet in the solar system

A

Saturn

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11
Q

This is the farthest planet discovered through unaided human eye.

A

Saturn

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12
Q

True or False. Saturns rings arw made out of broken comets, asteroids, etc.

A

True. Comets and asteroids broke apart before they can reach the planet.

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13
Q

What is Saturn’s rings made out of?

A

They are made up of billions of small chunks of ice and rock coated with other materials like, dust.

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14
Q

True or False. Saturn’s rings is static

A

False. Saturn’s rings orbits the planet at difderent speed.

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15
Q

True or False. Saturn’can float in water.

A

True. Saturn is the only planet with a density that is less than water.

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16
Q

True or False. Saturn’s Aurora Borealis is due to the solar winds ejected by the sun.

A

False. Saturn has a ‘non-solar-originating’ aurorae, caused by a combination of particles ejected from Saturn’s moons and magnetic fields.

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17
Q

This is the 3rd largest planet in the solar system.

A

Uranus

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18
Q

What is the first planet to be found with the aid of a telescope?

A

Uranus

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19
Q

Who was thw astronomer that mistook Uranus for a comet?

A

William Herschel in 1781

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20
Q

Why is Uranus called a ‘topsy-turvy planet’?

A

Because it has a 98⁰ tilt that is nearly at thw right angle

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21
Q

True or False. Uranus rotates feom east to west.

A

True. Uranus like Venus rotates in a retrograde motion.

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22
Q

Who is Uranus moons named after?

A

William Shakeapeare and Alexander Pope

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23
Q

What is Uranus moons made out of?

A

Uranus moons are most likely captured asteroids, made out of half water ice and half rock.

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24
Q

What are the two ice giants in the solar system?

A

Neptune and Uranus

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25
True or False. Uranus is only made out of water.
False. 80% or more of Uranus mass is made out of hot dense fluid of 'icy' material - water, methane, and ammonia.
26
Where does Uranus gets its color?
Uranus gets its blue-green color from methane gas in the atmosphere.
27
Hoe does methane gas makes Uranus and Neptunes color blue?
They become blue because Methane gas abaorbs the red portion of thw light of the sun.
28
True or False. Uranus Auroras are inline with its poles
False. Due to Uranus lopsided magenetic field, its auroras arw not inline with its poles
29
True or false. Urabus magnetic field creates a corkscrew shape.
True. Due to Uranus rotation the magnetic field lines are twisted into a corkscrew shape.
30
This is the most distant planet.
Neptune
31
What is the only planet not visible to the naked eye?
Neptune
32
When did Neptune completed its first orbit around the sun, since its discovery at 1846?
In 2011, Neptune completed ita 165 years orbit.
33
What was the first planet located through a mathematical equation?
Neptune
34
True or False. Due to its distance from the sun, Neptune does not experience seasons.
False. Because Neptune has a 28⁰ tilt, it experiences seasons. But due to its long revolution, each seasons lasts for over 40 years.
35
What is the largest moon in Neptune?
Triton
36
True or False. Triton - the same as our moon - comes from the diaplaced rocks of Earth' interior which clumped together to form a moon.
False. Due to Neptune's, retrograde motion, it was suspected that it might be an independent object captured by Neptune.
37
True or False. Neptune has a super hot water clouds.
False. There might be an ocean of super hot water UNDER Neptunes cold clouds but incredibly high pressure keeps it locked away.
38
The planet called as the windiest world.
Neptune
39
True or False. Anything that revolves the sun and has a moon can be called a planet.
False. According to IAU, a planet can only be called a planet if; 1. They orbit a star 2. Big enough to jave enough gravity to force it into a spherical shape. 3. Big enough that its gravity can clear away any object of similar size near its orbit around the sun.
40
Where did the first heliocenter model came from?
Aristarchus of Samos
41
How many moons are their in Pluto, and what are they called?
(5) Charon, Nix, Kerberos, Hydra, Styx
42
True or False. Pluto and its moon Charon are called, 'double planet'
True. Because Charon orbits the planet for 153 hrs - the same as Pluto's rotation - it neither rise nor sets. Instead it hovers on the same spot, called Tidal locking
43
Wherw is Pluto located?
In a grouo of objects that orbit in a disc-like zine beyond Neptune, called Kuiper Belt
44
True or False. Pluto has an atmosphere
True. When Pluto is close to the sun, uts surface ices changes from solid to gas, and rises to temporarily foem a thin atmosphere.
45
What is the name of the largest object located in the asteroid belt between Mars and Jupiter?
Ceres
46
True or False. Ceres is an 'embryonic planet'
True. Jupiter's strong gravity prevents Ceres feom becoming a fully formed planet.
47
What do you call a planet that has started to form but due to circumstance, did not quite finish forming?
An embryonic planet
48
What do you call the donut-shaped region of icy bodues beyond the orbit of Neptune?
Kuiper Belt
49
What is another name for Kuiper Belt?
Transneptunian or Plutoids
50
This is the second brightest object (next to Pluto) in the Luiper belt as seen from Earth.
Makemake
51
They were the reason why IAU revisites the definitaion of planets
Makemake and Eris
52
The dwarf planey with a designated name 2003 EL61, nicknamed Santa
Haumea
53
True or False. Haumea is shaped is spherical the same as any of the dwarf planet
False. Haumea is one of the fastest rotating object in the solar system, due to this fast rotation its shape distorted to look like a football.
54
Why is Haumea spins fast?
It is possible that a large object impacted Haumea billions of years ago and set off its spin and created its moon.
55
This is the firat Kuiper object to have rings
Hamea
56
This is a dwarf planet designated as 2003 VB313, and nicknamed Xena
Eris
57
True or False. Eris atmosphere is thick and always present.
False. Haumea's atmosphere collapsea and freezes, then falls in its surface as snow everytime it is far from the sun. And then thaws as it gets close
58
moons are also known as…
natural satellites
59
How are the moons formed?
1. Formed from the discs of gas and dust circulating arpund plantes in the early solar system 2. 'captured' objects that was formed elsewhere
60
The brightest and largest object in Earth's night sky
Moon
61
True or False. Moon makes Earth a more livable place.
True. Moon moderates the wobble on Earth's axis, which leads to a more stable climate
62
True or False. Moon will always be steady and orbiting planet earth
False. Moon is slowly moving away from earth, taking 1 inch every year
63
What do you call it, when moon rotates at the same rate it revolves around the Earth?
Synchronous Rotation, meaning the same hemisphere faces earth at all times
64
What do we call the moon hemispherw that is never seen on earth?
Dark side
65
What is another name for asteroids?
minor planets
66
They are rocky remnants left over from the early formation of our solar system
Asteroid
67
What are the 3 broad composition of Asteroids?
C, S, M type
68
This are the most coomon composition of an asteroid. Most likely made out of clay and silicate.
Chrondite (C-type)
69
Composition of an asteroid tjat is made uo of mostly silicate material and iron
Stony (S-type)
70
True or False. All asteroids are composed od the same materials
False. Asteroid's composituonal difference is related to how far they are feom thw aun when thwy formed.
71
What are the 3 classification of asteroids
1. Main asteroid belt 2. Trojans 3. New- Earth Asteroids
72
What do you call the asteroids that actually cross earths orbital path?
Earth-crossers
73
These objcts have orbits that pass close by that of earths
Near-Earth asteroids
74
Comets was also called
dirty snowballs
75
This are leftovers from the dawn of our solar system and consists mostly of ice coated with dark organicmaterial
Comet
76
What are the parts of comet?
Nucleus, coma, and tail
77
They are also called space rocks
Meteoroids
78
They are also called shooting stars
Meteors
79
Tbis is wjat you call a meteoride that survives the atmosphere and hist the surfave of a planet
Meteorite
80
Tbis is what you call meteoroids when they enter the planets atmoshere
Meteors
81
This forms as the meteorite's outer surface melts while passing thrpugh the atmosphere.
Fusion crust

Astronomy (1 decks)

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