Solar System Continuation Of Quiz Flashcards

(58 cards)

1
Q

Consist of a central star nine planets orbiting the sun moons asteroids comets meteors interplanetary gas dust and space in between them

A

Solar system

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2
Q

The nine planets of the solar system

A

Named after Greek and Roman gods and goddesses

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3
Q

Inner planets

A

Mercury
Venus
Earth
Mars

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4
Q

Outer planets

A
Jupiter
Uranus 
Saturn 
Neptune
Pluto
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5
Q

Biggest planet

A

Jupiter

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6
Q

Energy comes from nuclear fusion where hydrogen is converted to helium whitin it’s core and the energy released is in the form of heat and light

A

Sun

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7
Q

Planets

A

Reflect light

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8
Q

Stars

A

Produce light

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9
Q

A stars temp. Determines its

A

Cold

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10
Q

The coldest stars are

A

Red

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11
Q

Hottest stars are

A

Blue

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12
Q

Categorized according to composition and size

A

Planets

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13
Q

Two main category of planets

A
Small rocky planets(Mercury, Venus Mars earth, Pluto)
Gas giants(Jupiter, Uranus , Saturn, Neptune)
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14
Q

Characteristics of rocky planets

A
Made up mostly of rocks and metal
Heavy
Move slowly in pace
No rings and a few moons
Diameter of less than13000 km
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15
Q
Has a rev. Period of 88 days
Has extreme temp. Fluctuations
Closest planet to the sun
Scientist believe there is ice
It is protected from the Suns heat by crater shadows
A

Mercury

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16
Q

It is the brightest object in the sky after sun and moon because it’s atmosphere reflects sunlight as well. People mistake it as a star. It has no moons and takes 225 days to complete an orbit

A

Venus

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17
Q

It is the only p,ante known to support living organisms
Surface composed of 71%water
The oceans help maintain its temperatures
Has one moon and oxygen rich atmosphere

A

Earth

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18
Q

It takes 25 days to complete one rotation.
Surface is covered in dust and rocky debris from meteor impacts. No water and atmosphere
Reflects light from the xu on the earths surface

A

Earths moon

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19
Q

Has ice caps as its poles
Has the largest volcano in our solar system, Olympus mons.(15miles high)
Appears red because of iron, oxide and rust in soil
Two moons and 2 years to complete orbit

A

Mars

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20
Q

Has one moon
249 years to orbit sun
Part of its orbit passes Neptune that sometimes Neptune is the farthest planet from the sun
Located and named in 1930 but not anymore aplanet as of now

A

Pluto

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21
Q

Gas giant characteristics

A
Made up of mostly gases hydrogen and helium
Light for their size
Move quickly in space
Have rings and many moons
Diameter of less than 8000 km
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22
Q

The largest and most massive planet
Diameter 11 times that of earths
12 years to orbit the sun
63 known moons

A

Jupiter

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23
Q

Composed almost entirely of hydrogen and helium
Has many rings made of ice
18 moons some orbit inside rings
30 years to orbit the sun

A

Saturn

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24
Q

It is blue in color due to methane gas in atmosphere
11 dark rings
21 known moons
84 years to complete orbit

25
``` Fastest winds in solar system 2000km/hr Blue in color due to methane 165 years to orbit the sun 8 moons ```
Neptune
26
Rocky and metallic objects that orbit the sun, located in the asteroid belt between Mars and Jupiter
Asteroid
27
Ceres
A large asteroid
28
Small fragile irregular shaped body composed of a mixture of non volatile grains and frozen gases Orbits are elliptical oval or parabolic u shaped
Comets
29
As comets approach sun, the radiation evaporated ice and gas creating the lone tail
The closer the sun the longer the tail | It always face away to the sun because of solar wind from sun
30
Components of comets
``` Ion tail Hydrogen envelop Dust tail Coma Nucleus Comets orbit ```
31
Ex of comets orbit
Comet 2p/encke
32
Asteroids that are on collision course with earth
Meteoroids
33
Streak of light created when a meteoroid strikes our atmosphere at high velocity and friction causes the chunk of space to burn
Meteor
34
What is left that strikes the earths surface if the meteoroid does not burn up completely
Meteorite
35
Meteorites 92% co posed of
Silicate stone
36
5.7% meteorites
Iron and nickel
37
Rest of meteorites
Mixture of three
38
Hardest to identify since they look very much like terrestrial rocks
Stony meteorites
39
Warming of a planets surface as a result of atmospheric gases trapping heat. Carbon dioxide is one of the gases
Global warming
40
A quantum of visible light or other form of electromagnetic radiation from sun. A particle of light
Photon
41
The planet is spinning backwards compared to the others
Retrograde
42
One complete circle made around something
Revolution
43
Made by a planet or satellite around another body
Orbit
44
The turning motion of a planet spinning on its axis
Rotation
45
Glowing hog gaseous gas mass in space generating energy by thermonuclear reactions
Star
46
Similar in composition and density to earth earth like
Terrestrial
47
A celestial body that orbits around the sun Has sufficient mass for self gravity to overcome rigid body forces that assumes a hydrostatic equilibrium Has not cleared the neighborhood around its orbit Not a satellite
Dwarf planet
48
A celestial body that orbits around the sun Has sufficient mass for self gravity Cleared the neighborhood around orbit
Planet
49
Celestial bodies in orbit around the sun at a semi major axis greater than that of Neptune that have sufficient mass for self gravity to overcome rigid body forces Not cleared the neighborhood around the orbit
Plutoid
50
Moons of mercury
0
51
Moons of Venus
Zero
52
Moons of earth
1
53
Moons of Mars
2
54
Moons of Jupiter
67
55
Moons of Saturn
62
56
Moons of Uranus
27
57
Moons of Neptune.
14
58
Moons of Pluto
5 moons