What two properties of a planet affect the gravity we feel on its surface? -
<<<<CORRECT ANSWERS>>>Mass and radius
Two planets have the same radius. If Planet A is 5 times more mass than Planet B, how
does gravity differ on the surfaces of the two planets? - <<<<CORRECT
ANSWERS>>>Gravity is 5 times stronger on planet A
Say that there were a planet X in our Solar System with a mass 1/4 the mass of Earth
and a radius 1/2 the radius of Earth. How will the gravity on its surface compare to the
surface gravity of Earth? - <<<<CORRECT ANSWERS>>>Surface gravity on planet X
is the same as on earth
A planet in a nearly circular orbit with its rotation axis tilted by 5 degrees relative to its
orbital plane around its star would ... - <<<<CORRECT ANSWERS>>>Have seasons
that are not very different from each other as compared to Earth
The rotation axis of the Earth is ... - <<<<CORRECT ANSWERS>>>Tilted at about 23
degrees relative to the axis of the Earth's orbit around the Sun
In the diagram above, what season and planet is being represented by the red X on the
planet on the left in orbit around the Sun? - <<<<CORRECT ANSWERS>>>
When is the waning gibbous moon highest in the sky? - <<<<CORRECT
ANSWERS>>>About 3 am
What phase is the Moon in, when observed by the person standing on the Earth in the
diagram above? - <<<<CORRECT ANSWERS>>>New
At what time will the Moon set on the day of a Solar eclipse? - <<<<CORRECT
ANSWERS>>>Sunset
Stars that are in the same constellation ... - <<<<CORRECT ANSWERS>>>are likely to
be at very different distances from us.
,The "North Star" is a star in the constellation of Ursa Minor, which lies just above the
North pole of Earth. Which of the following is true? - <<<<CORRECT
ANSWERS>>>Ursa Minor is a Zodiac constellation in the summer but not in the winter
A particular Zodiac constellation is high in the sky at midnight in April. Where will it be in
October? - <<<<CORRECT ANSWERS>>>Near the Sun in the daytime sky
What do you expect the spectrum of an object that is 1,000,000 Kelvin to be like? -
<<<<CORRECT ANSWERS>>>It should peak at X-ray wavelengths
As compared to a cool star, a hotter star emits ... - <<<<CORRECT
ANSWERS>>>Shorter wavelength, higher frequency, bluer color
Radio waves can travel large distances without interference because ... -
<<<<CORRECT ANSWERS>>>They have longer wavelengths than visible light
Compared to ultraviolet radiation, X-rays have a wavelength that is ... - <<<<CORRECT
ANSWERS>>>Shorter
Star A is 4000 K, and Star B is 8000 K. Which of the following is true? - <<<<CORRECT
ANSWERS>>>The color of Star A is redder than Star B
In the diagram above, what is happening in the box in the center? - <<<<CORRECT
ANSWERS>>>
A star is a hot, dense gas surrounded by a cooler, low density atmosphere. What type
of spectrum will a star create? - <<<<CORRECT ANSWERS>>>Absorption Spectrum
What makes a transition from a lower energy state to a higher energy state when a
photon is absorbed into an atom? - <<<<CORRECT ANSWERS>>>Electron
An emission line is produced when: - <<<<CORRECT ANSWERS>>>An electron
passes from a higher to a lower energy level
Bright lines in an emission spectrum represent: - <<<<CORRECT
ANSWERS>>>particular energies of light that are emitted from a distant object
The faintness of an object that a telescope can observe is mostly determined by the ... -
<<<<CORRECT ANSWERS>>>Diameter of the opening of a telescope
In what ways does a 5 meter telescope outperform a 1 meter telescope?I -
<<<<CORRECT ANSWERS>>>its images are 25 times brighter than a 1 meter
A mountain top is a good location for optical telescopes because the site ... -
<<<<CORRECT ANSWERS>>>Is above much of the atmosphere
, Which statement about the rotation of the Inner planets is true? - <<<<CORRECT
ANSWERS>>>Venus rotates in the opposite direction from the three other inner planets
Which of the following is TRUE? - <<<<CORRECT ANSWERS>>>Mercury rotates
exactly one and a half times for every one revolution around the Sun.
Why do the orbits of the planets all lie in nearly the same plane? - <<<<CORRECT
ANSWERS>>>The early solar nebula flattened into a disk.
Of these choices, which planet has the most moons? - <<<<CORRECT
ANSWERS>>>Saturn has more than Earth, Mercury, Mars, and Venus
Venus is visible to us ... - <<<<CORRECT ANSWERS>>>only near sunrise or sunset
A planet is in orbit around the Sun. The semimajor axis of the orbit is 5 Astronomical
Units (AU). Use P^2 = a^3 to calculate the period of the orbit, in years. -
<<<<CORRECT ANSWERS>>>11.2 years
In the above diagram, how should the parameters of the white curve be changed in
order that it matches the observed distance versus time graph of Callisto? -
<<<<CORRECT ANSWERS>>>increase P and shift the curve
How do most craters on moons form? - <<<<CORRECT ANSWERS>>>impact of
asteroids
Which planet has a temperature of 800 degrees Fahrenheit on the side facing the Sun
and -290 degrees Fahrenheit on the side opposite the Sun? - <<<<CORRECT
ANSWERS>>>Mercury
How many Earth years does it take Uranus to orbit the Sun? - <<<<CORRECT
ANSWERS>>>84
Meteors are ... - <<<<CORRECT ANSWERS>>>asteroids or comet debris that passes
into Earth's atmosphere and burns up
Which feature of Neptune is most responsible for its blue color? - <<<<CORRECT
ANSWERS>>>methane in its atmosphere
Which of the following statements is TRUE? - <<<<CORRECT ANSWERS>>>The
planet Saturn has more than 30 moons.
The surface of Venus is hotter than the surface of Mercury because ... -
<<<<CORRECT ANSWERS>>>Venus is more massive and is able to retain a thick
atmosphere.
<<<<CORRECT ANSWERS>>>Mass and radius
Two planets have the same radius. If Planet A is 5 times more mass than Planet B, how
does gravity differ on the surfaces of the two planets? - <<<<CORRECT
ANSWERS>>>Gravity is 5 times stronger on planet A
Say that there were a planet X in our Solar System with a mass 1/4 the mass of Earth
and a radius 1/2 the radius of Earth. How will the gravity on its surface compare to the
surface gravity of Earth? - <<<<CORRECT ANSWERS>>>Surface gravity on planet X
is the same as on earth
A planet in a nearly circular orbit with its rotation axis tilted by 5 degrees relative to its
orbital plane around its star would ... - <<<<CORRECT ANSWERS>>>Have seasons
that are not very different from each other as compared to Earth
The rotation axis of the Earth is ... - <<<<CORRECT ANSWERS>>>Tilted at about 23
degrees relative to the axis of the Earth's orbit around the Sun
In the diagram above, what season and planet is being represented by the red X on the
planet on the left in orbit around the Sun? - <<<<CORRECT ANSWERS>>>
When is the waning gibbous moon highest in the sky? - <<<<CORRECT
ANSWERS>>>About 3 am
What phase is the Moon in, when observed by the person standing on the Earth in the
diagram above? - <<<<CORRECT ANSWERS>>>New
At what time will the Moon set on the day of a Solar eclipse? - <<<<CORRECT
ANSWERS>>>Sunset
Stars that are in the same constellation ... - <<<<CORRECT ANSWERS>>>are likely to
be at very different distances from us.
,The "North Star" is a star in the constellation of Ursa Minor, which lies just above the
North pole of Earth. Which of the following is true? - <<<<CORRECT
ANSWERS>>>Ursa Minor is a Zodiac constellation in the summer but not in the winter
A particular Zodiac constellation is high in the sky at midnight in April. Where will it be in
October? - <<<<CORRECT ANSWERS>>>Near the Sun in the daytime sky
What do you expect the spectrum of an object that is 1,000,000 Kelvin to be like? -
<<<<CORRECT ANSWERS>>>It should peak at X-ray wavelengths
As compared to a cool star, a hotter star emits ... - <<<<CORRECT
ANSWERS>>>Shorter wavelength, higher frequency, bluer color
Radio waves can travel large distances without interference because ... -
<<<<CORRECT ANSWERS>>>They have longer wavelengths than visible light
Compared to ultraviolet radiation, X-rays have a wavelength that is ... - <<<<CORRECT
ANSWERS>>>Shorter
Star A is 4000 K, and Star B is 8000 K. Which of the following is true? - <<<<CORRECT
ANSWERS>>>The color of Star A is redder than Star B
In the diagram above, what is happening in the box in the center? - <<<<CORRECT
ANSWERS>>>
A star is a hot, dense gas surrounded by a cooler, low density atmosphere. What type
of spectrum will a star create? - <<<<CORRECT ANSWERS>>>Absorption Spectrum
What makes a transition from a lower energy state to a higher energy state when a
photon is absorbed into an atom? - <<<<CORRECT ANSWERS>>>Electron
An emission line is produced when: - <<<<CORRECT ANSWERS>>>An electron
passes from a higher to a lower energy level
Bright lines in an emission spectrum represent: - <<<<CORRECT
ANSWERS>>>particular energies of light that are emitted from a distant object
The faintness of an object that a telescope can observe is mostly determined by the ... -
<<<<CORRECT ANSWERS>>>Diameter of the opening of a telescope
In what ways does a 5 meter telescope outperform a 1 meter telescope?I -
<<<<CORRECT ANSWERS>>>its images are 25 times brighter than a 1 meter
A mountain top is a good location for optical telescopes because the site ... -
<<<<CORRECT ANSWERS>>>Is above much of the atmosphere
, Which statement about the rotation of the Inner planets is true? - <<<<CORRECT
ANSWERS>>>Venus rotates in the opposite direction from the three other inner planets
Which of the following is TRUE? - <<<<CORRECT ANSWERS>>>Mercury rotates
exactly one and a half times for every one revolution around the Sun.
Why do the orbits of the planets all lie in nearly the same plane? - <<<<CORRECT
ANSWERS>>>The early solar nebula flattened into a disk.
Of these choices, which planet has the most moons? - <<<<CORRECT
ANSWERS>>>Saturn has more than Earth, Mercury, Mars, and Venus
Venus is visible to us ... - <<<<CORRECT ANSWERS>>>only near sunrise or sunset
A planet is in orbit around the Sun. The semimajor axis of the orbit is 5 Astronomical
Units (AU). Use P^2 = a^3 to calculate the period of the orbit, in years. -
<<<<CORRECT ANSWERS>>>11.2 years
In the above diagram, how should the parameters of the white curve be changed in
order that it matches the observed distance versus time graph of Callisto? -
<<<<CORRECT ANSWERS>>>increase P and shift the curve
How do most craters on moons form? - <<<<CORRECT ANSWERS>>>impact of
asteroids
Which planet has a temperature of 800 degrees Fahrenheit on the side facing the Sun
and -290 degrees Fahrenheit on the side opposite the Sun? - <<<<CORRECT
ANSWERS>>>Mercury
How many Earth years does it take Uranus to orbit the Sun? - <<<<CORRECT
ANSWERS>>>84
Meteors are ... - <<<<CORRECT ANSWERS>>>asteroids or comet debris that passes
into Earth's atmosphere and burns up
Which feature of Neptune is most responsible for its blue color? - <<<<CORRECT
ANSWERS>>>methane in its atmosphere
Which of the following statements is TRUE? - <<<<CORRECT ANSWERS>>>The
planet Saturn has more than 30 moons.
The surface of Venus is hotter than the surface of Mercury because ... -
<<<<CORRECT ANSWERS>>>Venus is more massive and is able to retain a thick
atmosphere.
