Which of the following is true?
a) The inner planets are all huge.
b) The planets gradually increase in size the farther they are from the sun.
c) The planets gradually decrease in size the farther they are from the sun.
d) The inner planets are much smaller than the outer planets.
What is d?
100
Which is true about stars?
a) Their color indicates their temperature.
b) They are couds of spinning gas.
c) They are all the same siz as our sun.
d) They are permanent bodies in space and will never die out.
What is a?
100
A huge ball of superheated gases
What is a star?
100
The conditions that must be met to have a solar eclipse
*syzygy - earth, moon and sun aligned - in that order
*Full Moon
100
Acceleration due to gravity on Earth is _______.
What is 9.8 m/s/s (or meters per second squared)?
200
Name the planets in order starting from the sun and moving outward.
Red - coolest
Yellow/white-intermediate
Blue-hottest
200
A large object that orbits a star
What is planet?
200
Which eclipse can be seen when the Earth is between the Moon and the sun?
Lunar eclipse
200
These 2 things affect gravitational pull
mass and distance
300
The ___________ planets are more dense than the __________ planets
What is inner/terrestrial; outer/gas giants
300
Which of the following is a true statement about the sun?
a) It is a hot ball of oxygen and nitrogen.
b) It is a star made mostly of hydrogen and helium.
c) It is a dying planet made mostly of magnesium and phosphorus.
d) It is a superheated liquid that glows red because it contains iron.
What is b?
300
The brightness of a star
magnitude
300
What Moon phase does a Total Lunar eclipse occur at?
What is full moon?
300
As this increases, gravity decreases
Distance
400
How is a moon different from a planet?
*Planets are round due to gravity/not all moons are round
*Planets can be made of gas; moons cannot
*Planets have enough gravity to clear their orbital path (neighborhood)
400
The three main types of stars
Main sequence, red giant, supergiant
400
An extremely bright star would have a ________________ magnitude
Large negative
400
What type of eclipse will give you a red sky?
Total Lunar Eclipse
400
The relationship between mass and acceleration is ______
Indirectly proportional - Force divided by either one is the other
500
Which statement correctly describes the inner planets?
a) The inner planets are warmer than the outer planets.
b) The inner planets have shorter years than the outer planets.
c) The inner planets have rocky surface.
d) All of the above.
What is d?
500
Why do some stars have a larger apparent magnitude than others?