stud
bud
Sign up
Log in
Home
Library
Explore
SAT
More
BG - Structure of the Solar System Flashcards | StudBud
Explore
/
BG - Structure of the Solar System
BG - Structure of the Solar System
20 terms
·
StudBud Administration
·
42 plays
Early Astronomers' theories and gravity,
Flashcards
20 cards
F
Practice quiz
P
Host live
L
Questions
20
Answers
1
All of the following statements about the planets and stars are true, except:
Planets are much smaller than stars
Planets reflect sunlight whereas stars make their own light
Planets orbit a star, whereas stars usually don'e orbit anything
Planets and stars make their own light and what is why we can see them
2
What is the nearest star to Earth?
Proxima Centauri
Alpha Centauri
The Sun
The Southern Cross
3
What does "heliocentric" mean?
to go around the moon
sun-centered
to go around the Earth
Earth-centered
4
Which of the following is not true about planets?
Spheres of rock and gas that orbit the Sun
Can all be seen in the night sky
Reflect the light of the Sun
Have cleared their orbits of other particles
5
Which of the following is a gas giant?
Venus
Jupiter
Earth
Mars
6
Why are most celestial objects spherical (round)?
Speed
Friction
Gravity
Magnetism
7
When 2 objects are farther apart they have....
less gravitational pull
the same gravitational pull
more gravitational pull
no gravitational pull
8
Kepler gave us which model of the solar system?
heliocentric with perfect circle orbits
geocentric with perfect circle orbits
heliocentric with elliptical orbits
geocentric with elliptical orbits
9
What is the definition of "geocentric"?
elliptical orbits
moon-centered
sun-centered
Earth-centered
10
What inward-pulling force causes objects to move in a circular path?
speed
friction
centripetal
gravity
11
Which of these statements about our planet formation is true?
Rocky planets formed in the outer disk where temps were high
Gas planets formed in the inner disk where temps were high
Gas planets formed in the outer disk where temps were cold
Rocky planets formed in the inner disk where temps were cold
12
Which astronomer gave us a geocentric model that was believed to be true for over 1400 years?
Newton
Ptolemy
Galileo
Kepler
13
Which planet is so large that all other planets could fit inside it?
Neptune
Saturn
Uranus
Jupiter
14
Which of the following scientists supported the Heliocentric Model?
Copernicus and Newton
All of the above
Galileo and Newton
Aristotle and Copernicus
15
The sun and all of the bodies that orbit the sun is the definition of which word?
universe
solar system
Milky Way Galaxy
constellations
16
Which of the following best describes what has a gravitational force field around it?
Everything with mass has a gravitational force field
The Earth
The person sitting next to you
The Sun
17
How long does it take the light from the Sun to reach the Earth?
8 minutes
8 hours
8 seconds
8 days
18
How did Copernicus describe his heliocentric model?
The sun is in the center & planets orbit in perfect circles
The sun revolves around Earth
The sun is in the center & planets orbit wheels-on-wheels
The sun moves in an elliptical orbit
19
As planets orbit the Sun, at what point will the planet be moving faster in its orbit?
farthest away from the Sun
closest to the Sun
even with the Sun
whenever it needs to
20
A solar nebula is ...
the brightest star in the Universe
a cloud of gas & dust that heats up and forms a star
the center of a galaxy
a baby star
