PSU Astro 7N Midterm Exam Rated A+
A meteor shower can occur when: - ANSWER-Earth's orbit crosses a trail of debris left
behind from a comet
A moon orbits a planet in exactly the same plane as the planet orbits its star. How often
does this planet experience a solar eclipse? - ANSWER-Once every orbit of its moon(its
month)
A mountain top is a good location for optical telescopes because the site... - ANSWER-
Is above much of the atmosphere
A new planet orbits its star faster than the Earth orbits the sun and it rotates more slowly
than the Earth rotates. Which of the following is true? - ANSWER-The new planet has a
shorter year than Earth and a longer day than Earth
A particular Zodiac constellation is high in the sky at midnight in April. Where will it be in
October? - ANSWER-Near the Sun in the daytime sky
A planet in a nearly circular orbit with its rotation axis tilted by 5 degrees relative to its
orbital plane around its star would have... - ANSWER-Have seasons that are not very
different from each other as compared to Earth's
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. - ANSWER-11.2
years
A star is a hot, dense gas surrounded by a cooler, low density atmosphere. What type
of spectrum will a star create? - ANSWER-Absorption spectrum
According to Newton's 2nd law of motion, if the net force acting on the object increases
while the mass of the object remains constant, what happens to the acceleration? -
ANSWER-Acceleration increases
An emission line is produced when: - ANSWER-An electron passes from a higher to a
lower energy level
Approximately 2 weeks after a solar eclipse, what phase will the moon be in? -
ANSWER-Full
As compared to a cool star, a hotter star emits... - ANSWER-Shorter wavelength, higher
frequency, bluer color
At approximately what time does the 3rd quarter moon rise? - ANSWER-midnight
, At what time will the Moon set on the day of a Solar eclipse? - ANSWER-Sunset
Besides, the discovery that moons orbit Jupiter, what other discovery made by Galileo
Galilei, with an early telescope, proved that the Earth is not at the center of the
Universe? - ANSWER-The phases of Venus
Bright lines in an emission spectrum represent: - ANSWER-Particular energies of light
that are emitted from a distant object
Compare the frequency and wavelength of a gamma ray with that of visible light: -
ANSWER-Gamma ray frequency is higher and its wavelength is lower
Compare the frequency of x-ray versus regular light - ANSWER-The x-ray has a larger
frequency than visible light
Compared to blue light, red light has - ANSWER-Longer wavelength, smaller frequency,
smaller energy
Compared to ultraviolet radiation, X-rays have a wavelength that is... - ANSWER-
Shorter
Consider a planet whose rotation axis is NOT titled with respect to its orbital plane.
What are these seasons like on this planet? - ANSWER-There are no seasons
Constellations close to the North Pole of Earth _____ - ANSWER-Move in a circle
around the North Star, Polaris, over the course of a single night
Craters on Venus: - ANSWER-Are about the same in size and structure to those on
Earth, Moon, and Mars
Dark lines in an absorption spectrum represent: - ANSWER-Particular energies of light
coming from a distant object that are absorbed by material in between
Describe a bluer color light in terms of its energy, frequency, and wavelength -
ANSWER-High-energy light, high frequency, low/short wavelength
Describe a redder color light in terms of its energy, frequency, and wavelength -
ANSWER-Low-energy light, low frequency, high/long wavelength
Even the largest ground-based telescopes have resolution restrictions imposed by: -
ANSWER-Atmospheric blurring of images
From Earth, in which constellation might you find the planet Saturn? - ANSWER-Taurus
How are the Sun, Earth, and Moon positioned when it is a lunar eclipse, and what
phase is the Moon in? - ANSWER-Sun, Earth, moon(as in full moon)
A meteor shower can occur when: - ANSWER-Earth's orbit crosses a trail of debris left
behind from a comet
A moon orbits a planet in exactly the same plane as the planet orbits its star. How often
does this planet experience a solar eclipse? - ANSWER-Once every orbit of its moon(its
month)
A mountain top is a good location for optical telescopes because the site... - ANSWER-
Is above much of the atmosphere
A new planet orbits its star faster than the Earth orbits the sun and it rotates more slowly
than the Earth rotates. Which of the following is true? - ANSWER-The new planet has a
shorter year than Earth and a longer day than Earth
A particular Zodiac constellation is high in the sky at midnight in April. Where will it be in
October? - ANSWER-Near the Sun in the daytime sky
A planet in a nearly circular orbit with its rotation axis tilted by 5 degrees relative to its
orbital plane around its star would have... - ANSWER-Have seasons that are not very
different from each other as compared to Earth's
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. - ANSWER-11.2
years
A star is a hot, dense gas surrounded by a cooler, low density atmosphere. What type
of spectrum will a star create? - ANSWER-Absorption spectrum
According to Newton's 2nd law of motion, if the net force acting on the object increases
while the mass of the object remains constant, what happens to the acceleration? -
ANSWER-Acceleration increases
An emission line is produced when: - ANSWER-An electron passes from a higher to a
lower energy level
Approximately 2 weeks after a solar eclipse, what phase will the moon be in? -
ANSWER-Full
As compared to a cool star, a hotter star emits... - ANSWER-Shorter wavelength, higher
frequency, bluer color
At approximately what time does the 3rd quarter moon rise? - ANSWER-midnight
, At what time will the Moon set on the day of a Solar eclipse? - ANSWER-Sunset
Besides, the discovery that moons orbit Jupiter, what other discovery made by Galileo
Galilei, with an early telescope, proved that the Earth is not at the center of the
Universe? - ANSWER-The phases of Venus
Bright lines in an emission spectrum represent: - ANSWER-Particular energies of light
that are emitted from a distant object
Compare the frequency and wavelength of a gamma ray with that of visible light: -
ANSWER-Gamma ray frequency is higher and its wavelength is lower
Compare the frequency of x-ray versus regular light - ANSWER-The x-ray has a larger
frequency than visible light
Compared to blue light, red light has - ANSWER-Longer wavelength, smaller frequency,
smaller energy
Compared to ultraviolet radiation, X-rays have a wavelength that is... - ANSWER-
Shorter
Consider a planet whose rotation axis is NOT titled with respect to its orbital plane.
What are these seasons like on this planet? - ANSWER-There are no seasons
Constellations close to the North Pole of Earth _____ - ANSWER-Move in a circle
around the North Star, Polaris, over the course of a single night
Craters on Venus: - ANSWER-Are about the same in size and structure to those on
Earth, Moon, and Mars
Dark lines in an absorption spectrum represent: - ANSWER-Particular energies of light
coming from a distant object that are absorbed by material in between
Describe a bluer color light in terms of its energy, frequency, and wavelength -
ANSWER-High-energy light, high frequency, low/short wavelength
Describe a redder color light in terms of its energy, frequency, and wavelength -
ANSWER-Low-energy light, low frequency, high/long wavelength
Even the largest ground-based telescopes have resolution restrictions imposed by: -
ANSWER-Atmospheric blurring of images
From Earth, in which constellation might you find the planet Saturn? - ANSWER-Taurus
How are the Sun, Earth, and Moon positioned when it is a lunar eclipse, and what
phase is the Moon in? - ANSWER-Sun, Earth, moon(as in full moon)
