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Study sets matching "final exam descriptive astronomy"

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Study sets matching "final exam descriptive astronomy"

22 terms
Astronomy 12 Descriptive Astronomy
Celestial Equator
Ecliptic
Right Ascension
Declination
Projection of Earth's equator into the sky.... Rises due east an…
Path of the sun in the sky. ... The ecliptic intersects the Cele…
Measured in hr, min, sec eastward of the vernal equinox along…
Angle (deg, min, sec) above or below the Celestial Equator.... O…
Celestial Equator
Projection of Earth's equator into the sky.... Rises due east an…
Ecliptic
Path of the sun in the sky. ... The ecliptic intersects the Cele…
18 terms
Descriptive Astronomy
Star
Planet
Moon (or Satellite)
Asteroid
A large, glowing ball of gas that generates heat and light th…
A moderately large object that orbits a star and shines prima…
An object that orbits a planet.
A relatively small and rocky object that orbits a star.
Star
A large, glowing ball of gas that generates heat and light th…
Planet
A moderately large object that orbits a star and shines prima…
91 terms
Descriptive Astronomy
The tilt of the earth's axis relative…
You are in Buenos Aires Argentina. It…
List the shortest to longest: blue lig…
Observation of the moons of __________…
The days are longer in the summer and the rays of sunlight st…
The celestial equator, the south celestial pole, and the ecli…
x-rays, blue light, red light, infrared light, radio waves
Jupiter, Galileo
The tilt of the earth's axis relative…
The days are longer in the summer and the rays of sunlight st…
You are in Buenos Aires Argentina. It…
The celestial equator, the south celestial pole, and the ecli…
84 terms
Descriptive Astronomy
What's Astronomy?
What's science?
What is science characterized by?
What does science do?
Astronomy is a part of science that studied the universe, cel…
Science is too broad to be defined.
The scientific method
It seeks to understand the universe and everything in it. As…
What's Astronomy?
Astronomy is a part of science that studied the universe, cel…
What's science?
Science is too broad to be defined.
207 terms
Descriptive Astronomy Final Exam
astronomical unit
light year
what is scientific notation?
What is the scientific method?
the average distance from the earth to the sun (150 million k…
The distance light travels in one year
Scientific notation expresses a number as a product of a numb…
a method of investigation involving observation and theory to…
astronomical unit
the average distance from the earth to the sun (150 million k…
light year
The distance light travels in one year
146 terms
Descriptive Astronomy FINAL
Which of the following lists the objec…
What is a light year?
If you are standing at the geographica…
Which unit is the most appropriate to…
Earth, Pluto, Alpha Centuri, the center of the Milky Way, the…
The distance light travels in one year
All of the stars move parallel to the horizon and/or circle t…
Light years
Which of the following lists the objec…
Earth, Pluto, Alpha Centuri, the center of the Milky Way, the…
What is a light year?
The distance light travels in one year
170 terms
PHYSC 127 Descriptive Astronomy
Sirius
Polaris
Moon moves to the ____ relative to stars
Castor
Constellation Canis Minor
North Star - due to precession of Earth
East
Constellation Gemini
Sirius
Constellation Canis Minor
Polaris
North Star - due to precession of Earth
220 terms
Descriptive Astronomy Final
Two stars that differ from each other…
If the Hipparchos satellite measures t…
The absolute magnitude of a star is th…
The spectrum of an ordinary main seque…
100
100 pc
32.6 light years
continuum of colors crossed by dark absorption lines caused b…
Two stars that differ from each other…
100
If the Hipparchos satellite measures t…
100 pc
17 terms
Descriptive Astronomy Final
Ptolemy
Copernicus
Tycho Brahe
Kepler
Geocentric model with epicycles to explain planets' retrograd…
Proposed heliocentric model of the solar system.
Accurately measured planet positions.
Used Tycho's data to fit new model of data. Came up with thre…
Ptolemy
Geocentric model with epicycles to explain planets' retrograd…
Copernicus
Proposed heliocentric model of the solar system.
39 terms
Descriptive Astronomy test 3
What is a Star
The Radius of the Sun is...
The Mass of the Sun is...
The Average Density of the Sun is...
A glowing ball of gas held together by its gravity and powere…
696,000km (100 Earth Radii)
1.99*1030 kg
1410 kg/m3
What is a Star
A glowing ball of gas held together by its gravity and powere…
The Radius of the Sun is...
696,000km (100 Earth Radii)
103 terms
Descriptive Astronomy Midterm 2
Who has Galileo?
What did Galileo discover about the un…
What did Galileo discover about geocen…
Newton's First Law
(italian) first astronomer to point telescope to the sky
-The bulge of Saturn... -The Moon has craters and mountains... -The…
Not everything orbits the Earth! Jupiter has moons orbiting i…
body remains at rest/in motion until an outside force acts up…
Who has Galileo?
(italian) first astronomer to point telescope to the sky
What did Galileo discover about the un…
-The bulge of Saturn... -The Moon has craters and mountains... -The…
64 terms
Descriptive Astronomy Midterm 3
What is parallax?
What is the parallax formula?
The bigger the angle of parallax, the…
What is an arcsecond?
angle of shift
P=1/d
closer
unit of measure
What is parallax?
angle of shift
What is the parallax formula?
P=1/d
66 terms
Descriptive Astronomy Chapters 1+2
field of view
scientific notation
astronomical unit
planet
the region you can see in an image, usually given as the diam…
the way that scientists easily handle very large numbers or v…
the average distance from earth to the sun, 1.5X10^8 Km or 93…
small, spherical, non-luminous bodies that orbit a star and s…
field of view
the region you can see in an image, usually given as the diam…
scientific notation
the way that scientists easily handle very large numbers or v…
329 terms
Descriptive Astronomy Eve and Alice
Comets
Asteroid
Meteroid
Meteorite
generally icy rather than rocky (they do contain some rocky m…
larger than 100m diameter (10,000 tons)
smaller than 100m diameter
a meteoroid that hits earth
Comets
generally icy rather than rocky (they do contain some rocky m…
Asteroid
larger than 100m diameter (10,000 tons)
90 terms
Descriptive Astronomy Exam 1
What is an astronomical unit?
What is a light year?
What is the Milky Way?
What is scientific notation, and why i…
93 million miles - the distance of the Sun from Earth
6 trillion miles - the distance that light travels in a vacuu…
It is the galaxy that contains our solar system. "Milky" is d…
It is an easy way to easily handle very large numbers or very…
What is an astronomical unit?
93 million miles - the distance of the Sun from Earth
What is a light year?
6 trillion miles - the distance that light travels in a vacuu…
41 terms
descriptive astronomy test #2
What does the speed of light move at?
What stopped Galileo from discovering…
What did Olaus Roemer do?
How did Olaus Roemer do it?
186,000 mps
Inability to measure time
Measure the speed of light
By observing Jupiters moons
What does the speed of light move at?
186,000 mps
What stopped Galileo from discovering…
Inability to measure time
43 terms
Descriptive Astronomy 1455
Constellations
Polaris
Circumpolar
Altitude
imaginary image formed by patterns of stars; any of 88 define…
North Star, found in the Little Dipper
Referring to the part of the sky, near either celestial pole,…
the altitude of an object above the horizon measured by the a…
Constellations
imaginary image formed by patterns of stars; any of 88 define…
Polaris
North Star, found in the Little Dipper
110 terms
Descriptive Astronomy 103 Exam 5
SECTION ONE
Describe the astronomical work done by…
Describe the astronomical work done by…
What have we learned from the work of…
:-D
1.) Observed and categorized many other galaxies... 2.) Used a C…
1.) Mapping the locations of globular clusters... 2.) Assuming t…
We are in the disk of the Galaxy, about 5/8 of the way from t…
SECTION ONE
:-D
Describe the astronomical work done by…
1.) Observed and categorized many other galaxies... 2.) Used a C…
55 terms
Descriptive Astronomy - First Test
Zenith
Altitude
Solstice
Ecliptic
The point directly over head
The height of a star above the horizon
The date in the Northern hemisphere when the Sun is as high a…
The path of the Sun through the sky over the course of a year
Zenith
The point directly over head
Altitude
The height of a star above the horizon
50 terms
Descriptive Astronomy 2
What were the dominant gases in Earth'…
*Why does the temperature in the strat…
What did the Mars Orbiter find when it…
Why do large craters have central peaks?
hydrogen and helium
It is heated by solar ultraviolet radiation absorbed by the o…
It found the face to be a natural rock formation.
The crater floor rebounded upward after the initial compressi…
What were the dominant gases in Earth'…
hydrogen and helium
*Why does the temperature in the strat…
It is heated by solar ultraviolet radiation absorbed by the o…
130 terms
Descriptive Astronomy Vocabulary
Celestial Sphere
Horizon
Zenith
Nadir
An imaginary sphere of very large radius surrounding Earth to…
The circular boundary between the sky and Earth.
The point in the sky directly above the observer.
The point on the celestial sphere directly below the observer…
Celestial Sphere
An imaginary sphere of very large radius surrounding Earth to…
Horizon
The circular boundary between the sky and Earth.
114 terms
Descriptive Astronomy Final
eratothenes
einstein
copernicus
aristotle
determined the radius of the earth around 200 bc
predicted that gravity changes the path of a beam of light
described the heliocentric model of the solar system, which g…
believed in the geocentric model of the solar system
eratothenes
determined the radius of the earth around 200 bc
einstein
predicted that gravity changes the path of a beam of light
87 terms
descriptive astronomy test 1
What is an astronomical unit?
What is a light year?
What is the Milky Way?
1 AU
average distance between earth and sun, AU to measure
distance that light travels in a vaccum in 1 earth year
the hazy band of light that circles our sky, produced by the…
150 million km, 43 million miles
What is an astronomical unit?
average distance between earth and sun, AU to measure
What is a light year?
distance that light travels in a vaccum in 1 earth year
109 terms
descriptive astronomy test 3
parallax
the parallax was not detectable until…
baseline
the parallax was...
apparent change in position of foreground objects with respec…
effect was so small had to be seen with special eye gear
the bigger the base the bigger the measurement the line betwe…
a distant dependent phenomena
parallax
apparent change in position of foreground objects with respec…
the parallax was not detectable until…
effect was so small had to be seen with special eye gear
98 terms
descriptive astronomy test 1
When choosing a site for a $20 million…
the advantage that the Hubble telescop…
radio telescopes are equipped with
the center of mass of the earth sun sy…
average number of clear nights per year
better seeing conditions
radio receivers and amplifiers
close to the center of the sun
When choosing a site for a $20 million…
average number of clear nights per year
the advantage that the Hubble telescop…
better seeing conditions
220 terms
Descriptive Astronomy Final
Two stars that differ from each other…
If the Hipparchos satellite measures t…
The absolute magnitude of a star is th…
The spectrum of an ordinary main seque…
100
100 pc
32.6 light years
continuum of colors crossed by dark absorption lines caused b…
Two stars that differ from each other…
100
If the Hipparchos satellite measures t…
100 pc
53 terms
DESCRIPTIVE ASTRONOMY MIDTERM
The Spectral sequence sorts stars acco…
OBAFGKM
One (The Sun)
The Horizontal Axis of a Hertzsprung-R…
Surface temperature
The Spectral Sequence in order of decreasing temperature
How many stars in the solar system?
Surface temperature (Also called Spectral class)
The Spectral sequence sorts stars acco…
Surface temperature
OBAFGKM
The Spectral Sequence in order of decreasing temperature
74 terms
Descriptive Astronomy Final
How was the Shapley-Curtis debate sett…
The time it takes the Sun to orbit the…
The thickness of the thin disk
The diameter of the disk of the Milky…
Edwin Hubble found the distance to M31 and it was far outside…
220 million years
1000 lightyears
100,000 to 160,000 lightyears
How was the Shapley-Curtis debate sett…
Edwin Hubble found the distance to M31 and it was far outside…
The time it takes the Sun to orbit the…
220 million years
71 terms
Descriptive Astronomy PH 104
Penumbra
Why are there lunar and solar eclipses…
Winter solstice
Period
Sun partially blocked by the shadow of the moon
The moon's orbit is inclined 5 degrees to the ecliptic
December 21st, sun is over the tropic of capricorn
Number of seconds needed for the wave to repeat itself at a g…
Penumbra
Sun partially blocked by the shadow of the moon
Why are there lunar and solar eclipses…
The moon's orbit is inclined 5 degrees to the ecliptic
196 terms
descriptive astronomy test 2
mercury
is there water on mercury?
mercury has almost no...
messenger
has no moons, more elipticular, the lunar doppelganger
on the poles of mercury, there is ice form of water
axial tilt at poles because of more or less perpetual twilight
was the second visit to mercury and did a complete surface ma…
mercury
has no moons, more elipticular, the lunar doppelganger
is there water on mercury?
on the poles of mercury, there is ice form of water
36 terms
Descriptive Astronomy Test 4
# OF STARS IN THE MILKY WAY
SIZE OF THE MILKY WAY
THE SUN'S POSITION IN THE MILKY WAY
SHAPE OF THE MILKY WAY
200 BILLION STARS
100,000 LIGHT YEARS ACROSS
ABOUT 2/3 OUT FROM THE CENTER... IT TAKE 230 MILLION YEARS FOR T…
BARRED SPIRAL GALAXY
# OF STARS IN THE MILKY WAY
200 BILLION STARS
SIZE OF THE MILKY WAY
100,000 LIGHT YEARS ACROSS
21 terms
Descriptive Astronomy Final
In the geocentric model, the celestial…
The celestial sphere has stars that...
The celestial sphere is tilted such th…
If an observer moved to a more norther…
spins around a stationary Earth
are attached and move along with it
the altitude of Polaris is equal to an observer's latitude
observe Polaris at a different altitude
In the geocentric model, the celestial…
spins around a stationary Earth
The celestial sphere has stars that...
are attached and move along with it
84 terms
Descriptive Astronomy Test 2
What is light composed of?
Does light require a medium?
Describe the movement of electromagnet…
A wavelength is the ___ between ___ of…
Electric and magnetic waves
No
Wave that carries energy
distance, peaks, wave
What is light composed of?
Electric and magnetic waves
Does light require a medium?
No
59 terms
Descriptive Astronomy Exam 1
A CCD chip detects 100 photons in 1 se…
A planet that has a circular orbit aro…
Which of the following is the least en…
The apparent visual magnitude of star…
200
is under a constant acceleration
radio waves
we receive more light from A than B.
A CCD chip detects 100 photons in 1 se…
200
A planet that has a circular orbit aro…
is under a constant acceleration
104 terms
Descriptive Astronomy exam 2
Which of the following is predicted by…
What is the significance of the Cosmic…
Which star below would be the brightest?
These are the sign of old age for a st…
Terrestrial and Jovian Planets
Its discovery could not be explained by the Steady State Hypo…
"O" class large diameter
Planetary nebula
Which of the following is predicted by…
Terrestrial and Jovian Planets
What is the significance of the Cosmic…
Its discovery could not be explained by the Steady State Hypo…
90 terms
Descriptive Astronomy Exam 1
What is an astronomical unit?
What is a light year?
What is the Milky Way?
What is scientific notation, and why i…
93 million miles - the distance of the Sun from Earth
6 trillion miles - the distance that light travels in a vacuu…
It is the galaxy that contains our solar system. "Milky" is d…
It is an easy way to easily handle very large numbers or very…
What is an astronomical unit?
93 million miles - the distance of the Sun from Earth
What is a light year?
6 trillion miles - the distance that light travels in a vacuu…
158 terms
Descriptive Astronomy Final Exam
Which is the largest terrestrial planet?
The Earth's atmosphere is primarily co…
Which rock makes up majority of Earth'…
What is the Earth's core like?
Earth
Nitrogen
Granite
Hot, highest density iron-rich core
Which is the largest terrestrial planet?
Earth
The Earth's atmosphere is primarily co…
Nitrogen
39 terms
Descriptive Astronomy 5
Standard Candles
Cepheid Variables
Sa
Sc
Bright objects with well defined properties (cepheid, rr lyre…
are very large, luminous, yellow stars which expand and contr…
Spiral, largest nuclear bugles and most tightly wound spiral…
spiral, smallest bulges and the least tightly wound arms.
Standard Candles
Bright objects with well defined properties (cepheid, rr lyre…
Cepheid Variables
are very large, luminous, yellow stars which expand and contr…
38 terms
Descriptive Astronomy Test 4
d) the number of technically advanced…
c) the tighter the spiral, the larger…
b) The missing-mass problem, where the…
a) the locations of globular clusters…
The Drake equation attempts to predict:... a) the number of inh…
In a spiral galaxy, the relationship between the tightness of…
Which single major problem perhaps puzzles astronomers the mo…
The method used by Harlow Shapley in 1917 to estimate the Sun…
d) the number of technically advanced…
The Drake equation attempts to predict:... a) the number of inh…
c) the tighter the spiral, the larger…
In a spiral galaxy, the relationship between the tightness of…
35 terms
Descriptive Astronomy Final 2
The core of the sun is
Based on its surface temp or 6,000 K,…
By what process does the Sun generate…
Order the interior layers of the Sun f…
much hotter and much denser than its surface
Visible
Nuclear fusion
Core, radiation zone, convection zone, photosphere
The core of the sun is
much hotter and much denser than its surface
Based on its surface temp or 6,000 K,…
Visible
45 terms
Descriptive Astronomy 1
Compared with her mass and weight on E…
*If Earth were 3 times farther from th…
*Thomas Young demonstrated that light…
*With a quick pull, you can withdraw a…
the same mass and lower weight
1/9 of its present value.
Light passing through two narrow, closely spaced slits produc…
Inertia
Compared with her mass and weight on E…
the same mass and lower weight
*If Earth were 3 times farther from th…
1/9 of its present value.
116 terms
Descriptive Astronomy - Second Test
By current definition, how many planet…
Terrestrial planets
Jovian planets
Average density
8
The group of planets that includes the first four planets fro…
The group of planets including Jupiter, Saturn, Uranus, and N…
The total mass of a planet divided by its volume
By current definition, how many planet…
8
Terrestrial planets
The group of planets that includes the first four planets fro…
92 terms
Descriptive Astronomy - Third Test
Apparent magnitude
Absolute magnitude
Flux
Luminosity
The brightness of a star as it looks in the night sky
The true brightness of an object based on logarithmic scale
A linear measure of the brightness of a star in units of phot…
The total energy output of a star in units of watts
Apparent magnitude
The brightness of a star as it looks in the night sky
Absolute magnitude
The true brightness of an object based on logarithmic scale
45 terms
Descriptive Astronomy 1
Compared with her mass and weight on E…
*If Earth were 3 times farther from th…
*Thomas Young demonstrated that light…
*With a quick pull, you can withdraw a…
the same mass and lower weight
1/9 of its present value.
Light passing through two narrow, closely spaced slits produc…
Inertia
Compared with her mass and weight on E…
the same mass and lower weight
*If Earth were 3 times farther from th…
1/9 of its present value.
40 terms
Descriptive Astronomy 3
Which sentence describes the relations…
Which of the following observations wo…
*If the sun were replaced by a 1 solar…
*The evolutionary track of a star repr…
The larger the stellar mass, the larger the luminosity.
The "star" appears to move in a straight line against a backg…
continue to orbit the black hole in precisely its present orb…
changes in its luminosity and temperature on a graph of these…
Which sentence describes the relations…
The larger the stellar mass, the larger the luminosity.
Which of the following observations wo…
The "star" appears to move in a straight line against a backg…
37 terms
Descriptive Astronomy 4
The Drake equation attempts to predict?
In a spiral galaxy, the relationship b…
Which single major problem perhaps puz…
The method used by Harlow Shapley in 1…
the # of technically advanced civilizations in our Galaxy.
The tighter the spiral, the larger the bulge.
the missing-mass problem, where the amount of mass needed for…
the locations of globular clusters around the Galaxy.
The Drake equation attempts to predict?
the # of technically advanced civilizations in our Galaxy.
In a spiral galaxy, the relationship b…
The tighter the spiral, the larger the bulge.
88 terms
Descriptive Astronomy Practice Questions
1 km
lists objects in the universe from sma…
List planets in solar system in order
t/f most modern constellations are loc…
.62 miles
Planet, Star, solar system, Galaxy, Cluster
mercury, venus, earth, mars, jupiter, saturn, uranus, neptune
t
1 km
.62 miles
lists objects in the universe from sma…
Planet, Star, solar system, Galaxy, Cluster
128 terms
Descriptive Astronomy Final: Part One
spiral nebula
What did Lord Rosse think about spiral…
What did others think about spiral neb…
Shapley-Curtis debate
catalogued by William Herschel
He followed Immanuel Kant's idea of an island universe far be…
Spiral nebulas were just another form of nebula in the Milky…
In April 1920, they debated the nature of spiral nebulas
spiral nebula
catalogued by William Herschel
What did Lord Rosse think about spiral…
He followed Immanuel Kant's idea of an island universe far be…
59 terms
Descriptive Astronomy Final: Part Two
cosmology
Olber's paradox
What were many astronomers biased towa…
What is expanding?
the study of the creation, evolution, nature, fate, and conte…
if space is infinite and static, then no matter which directi…
a static universe
Intergalactic space, galaxies and regions of strong gravity a…
cosmology
the study of the creation, evolution, nature, fate, and conte…
Olber's paradox
if space is infinite and static, then no matter which directi…
86 terms
descriptive astronomy test 4 final
milky way
galaxy
galileo galilei
thomas wright
bright band that stretches across the sky, 1 billion stars
stars gas and dust, dislike shape, comes from greek word "gal…
made observation on of his telescope, established that milky…
said we are embedded with the milky way
milky way
bright band that stretches across the sky, 1 billion stars
galaxy
stars gas and dust, dislike shape, comes from greek word "gal…
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