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Our Solar System
Our Solar System
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#The birthofthesolarsystem
Flashcards
28 cards
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Questions
28
Answers
1
Why do all the true planets appear to be on the same plane?
The nebulas mass was the greatest on the edges
Solar Wind
Because the Kuiper belt has a low overall density
They formed on the same accretion disk.
2
The Sun used _____ of the initial nebula during its formation?
85%
50%
99%
25%
3
Which objects have been LEAST modified since the formation of the solar system?
Jovian Moons
Comets
Jovian Planets
Terrestrial Planets
4
Which planet has the most natural satellites?
Saturn
Jupiter
Earth
Uranus
5
The difference between a meteoroid and an asteroid is the object’s _____.
Shape
Orbital Period
Composition
Size
6
What gasses are found in the atmosphere of Jovian planets?
Nitrogen and Water Vapor
Hydrogen and Helium
Helium and Oxygen
Carbon Dioxide and Oxygen
7
Which are Jovian?
Kuiper Belt, Asteroid Belt, Meteors, Oort Clouds
Jupiter, Saturn, Neptune, Uranus
Jupiter, Saturn, Mercury, Venus
Jupiter, Saturn, Uranus, Neptune, Pluto
8
Which is the least dense planet in the solar system?
Jupiter
Earth
Uranus
Saturn
9
What is true of the densities of in our solar system?
Asteroids are all the same
Denser planets lie on the outside
Denser planets are closer to the Sun
Differentiated bodies have denser outer layers
10
Smaller silicate/metal/carbon based objects that
STRIKE
the Earth are called?
Comets
Meteors
Meteorites
Asteroids
11
The plane in which all planets formed?
Ecliptic
Node
Equant
Galactic Plane
12
The dark relatively smooth areas of the moon is called?
Regolith
Craters
Rays
Maria
13
The tail of a comet always points _____.
In the direction of the sun
Away from the sun
Towards the Earth
Towards the sun
14
Which is
NOT
a characteristic that describes the terrestrial planets?
Small Masses
Low Density
Close to sun
Solid Surface
15
Which
is not
a requirement for a planet?
Orbit a Star
Significant Gravity
Atmosphere
Hydrostatic Equilibrium
16
Tacos are better than...
Everything
Everything
Everything
Everything
17
Mars is the Red Planet. Why would it appear to change color?
Dust Storms
Gases in the atmosphere change
Lava from volcanoes
Volcanic Activity
18
Which is not a Jovian characteristic?
Have long orbital periods
Tall, Dark, Icy
Large and Gaseous
Having Rings
19
Planetary orbits________
Elliptical w/varying eccentricities
Are spaced closer together as they get further from the sun
Are evenly spaced
Have the sun at their exact center
20
What theory best describes the formation of our solar system?
Comparative Planetology
Nebular Theory
Convection Theory
Waffle Theory
21
Which of the following have an icy composition?
Asteroids
Meteoroids
Inner Planets
Comets
22
The smallest sort of interplanetary matter is called _____.
Comet
Interplanetary Dust
Meteoroid
Asteroid
23
A meteorite is _____.
a streak of light in the atmosphere
a chunk of space debris orbiting the Earth
An icy body with a long tail extending from it
a chunk of space debris that has struck the ground
24
The apparent reverse of a planet’s motion is called _____.
Retrograde Motion
Kepler's Ellipses
Copernican Motion
Major Axis
25
The stream of energetic, charged particles that flows outward from the Sun is called the _____.
Terrestrial Wind
Interplanetary Dust
Solar Wind
Solar Dust
26
Venus is the second brightest thing in our night sky because…
is much farther from the sun than it appears
reflects a small percentage of sunlight that strikes it
reflects almost all of the sunlight that strikes it
is composed almost entirely of gases
27
In composition, asteroids and meteoroids are most like _____.
Comets
Jovian Planets
Terrestrial Planets
Kuiper Belt Objects
28
The Kuiper Belt is found in the solar system _____.
Beyond Neptune
Among the terrestrial planets
Between Jupiter and Uranus
Between Mars and Jupiter
