stud
bud
Sign up
Log in
Home
Library
Explore
SAT
More
Chapter 28: Our Solar System Flashcards | StudBud
Explore
/
Chapter 28: Our Solar System
Chapter 28: Our Solar System
20 terms
·
StudBud Administration
·
17 plays
#science#quiz#everyone
Flashcards
20 cards
F
Practice quiz
P
Host live
L
Questions
20
Answers
1
A comet's tail always points towards _______.
Away from the Sun
The Sun
The nearest planet
Jupiter
2
The eccentricity of a perfect circle is _____ and a very elongated ellipse is ___.
Nearly one, Zero
Zero, One
Nearly Zero, One
One, Zero
3
Which requirements distinguishes a planet from a dwarf planet?
Nearly spherical shape
Has no debris within the orbit
Orbits the Sun
Is not a satellite
4
Which describes the average distance between the Sun and Earth
1 Light Year
1 Mile
1 Astronomical Unit
1 Year
5
What is Olympus Mons?
One of Mars's Moons
A scarp on Mercury
A composite volcano on Venus
A large shield volcano
6
Which planet is Earth's "twin" planet?
Mercury
Jupiter
Pluto
Mars
7
What does the eccentricity of a planet mean?
How rare or common it is
The shape of its orbit
The distance to another planet
The speeds of its rotation
8
What is the tail of a comet made of?
Dust and glass
Ice chunks
Glowing glass
Small bits of rocks
9
What explains why the Sun governs the motion in our solar system?
Retrograde Motion of Planets
Telescope Observation of the Planets
The Universal Law of Gravitation.
Kepler's Third Law
10
Which characteristics of Mars led astronomers think that water once existed on that planet?
Dried river and lake beds
Evidence of once living animals
Minerals that precipitated from evaporating water
The red color of the planet's surface
11
What are Jupiter's moons composed of
Iron and ice
Sulfuric Acid
Hydrogen and Helium
Rock and ice
12
What causes Uranus's blue appearance?
The sulfuric Acid in it's atmosphere
The ammonia ice droplets
The methane in it's atmosphere
The vast oceans
13
Why can't astronomers observe the surface of Venus without landing probes on it?
The surface is covered by thick clouds
Venus has a clockwise spin
The surface is covered by thick ice sheets
Venus has a high Albedo
14
Where are most asteroids located?
Between Mars and Jupiter
Orbiting most planets
Outside of Pluto's orbit
Between Earth and Venus
15
Why does Jupiter have a banded appearance?
Due to its four moons
The Great Red Spot causes the bands
Its rings
The flow of its atmosphere
16
The object that eventually formed planets by colliding merging are called?
Solar Nebula
Asteroids
Stars
Planetesimals
17
Which planet is the largest of the inner planets
Mercury
Venus
Mars
Earth
18
Which space objects are similar in composition to the Sun
Jupiter, Saturn, Uranus
Mercury, Venus, Mars
Mercury, Lo, Phoebe
Venus, Mars, Jupiter
19
The inner four planets are called _____ planets and the next four are called the _____ planets.
Rocky, Gas-like
Terrestrial, Gas Giant
Hard, soft
Gas Giant, Terrestrial
20
Most comets in our solar system are positioned in the ______.
Asteroid belt
Oort cloud
Outer zone
Kuiper belt
