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Solar System Flashcards | StudBud
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Solar System
Solar System
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1
Inside the protoplanetary disk, gravity caused particles to collide and stick forming what?
Meteors
Planetesimals
Comets
Asteroids
2
Most comets originate...
between the orbits of Mars and Jupiter
past the orbit of Neptune and in the Oort cloud
between the orbits of Earth and Mars
3
Which part of the comet's structure is depicted in letter D?
Nucleus
Coma
Dust tail
Gas tail
4
What is the correct order of the planets?
Mars,Mercury,Earth,Venus,Jupiter,Neptune,Saturn,Uranus
Mercury,Venus,Mars,Earth,Jupiter,Saturn,Neptune,Uranus,Pluto
Mercury,Venus,Earth,Mars,Jupiter,Saturn,Uranus,Neptune
Neptune,Uranus,Saturn,Jupiter,Mars,Earth,Venus,Mercury
5
Which planet spins backwards?
Jupiter
Uranus
Venus
Saturn
6
Why do the outer planets have thicker atmospheres?
They are lighter
They are more massive so they have stronger gravitational pulls
They are made of the same materials as their atmospheres
They don't - their atmospheres are thinner
7
Where are meteors?
On the ground
In the Atmosphere
On the sun
In space
8
Which part of the comet's structure is depicted in letter C?
Dust tail
Gas tail
Coma
Nucleus
9
Which inner planet has virtually no atmosphere?
Venus
Earth
Mars
Mercury
10
Which one of these planets is known for its “Great Red Spot”?
Jupiter
Neptune
Uranus
Saturn
11
What are the two gases that the Sun is mostly composed of?
Oxygen and Helium
Carbon and Oxygen
Hydrogen and Helium
Hydrogen and Nitrogen
12
What is a satellite?
A man-made object that orbits Earth.
Anything that orbits a planet
Anything in space that is not a planet or a star
A natural object that exists in space in an orbit.
13
Which is NOT an area in the solar system where objects are found?
Asteroid Belt
Oort Cloud
Meteor Belt
Kuiper Belt
14
Which four planets are terrestrial planets?
Venus, Neptune, Uranus, Saturn
Earth, Jupiter, Saturn, and Mars
Earth, Mercury, Venus, and Mars
Mercury, Venus, Jupiter, Uranus
15
Which is NOT a requirement of a planet?
Is rounded by gravity
Cleared the area of its orbit
Made of dust or ice
Orbits the sun
16
What are comets composed of?
Mostly rock
Rock and ices
Dust, rock, and ices
Dust and rock
17
Which planet’s day is longer than its year?
Uranus
Mercury
Venus
Neptune
18
What are the 2 main types of planetisimals?
Dust and Gas
Large and Small
Rocky and Icy
Terrestrial and Gaseous
19
What do scientists theorize about the creation of asteroids?
They are leftover pieces of early solar system that never formed planets
They are made of individual elements that come together to form plane
They are older than the solar system.
They are chunks of planets that got broken off when they collided.
20
What is a nebula?
A mixture of solid space material.
An interstellar cloud where stars are born.
What is leftover when a star dies.
A spinning disk that planets are formed in.
21
How old is the solar system?
100 billion years old
14 billion years old
6 million years old
4.6 billion years old
22
How much of the mass of the solar system is contained within the Sun?
50%
25%
33%
99.85%
23
Which part of the comet's structure is depicted in letter A?
Gas tail
Coma
Dust tail
Nucleus
24
Why did Pluto get declassified as a planet in 2006?
It isn't made of dust or ice
It isn't rounded by gravity
It hasn't cleared the area of its orbit
It doesn't orbit the sun
25
Which inner planet has virtually no atmosphere?
Mars
Mercury
Earth
Venus
