5934734
Beschreibung
Quiz von Greg Gustav, aktualisiert more than 1 year ago
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Erstellt von Greg Gustav
vor fast 8 Jahre
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Frage 1
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One reason copernicus's theory of the solar system was a better scientific theory than ptolemy's theory is because...
Antworten
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Copernicus's theory is newer than Ptolemy's theory, and a newer theory is always better
-
Copernicus's model predicts that we should observe stellar parallax (ptolmys predicts that we should not), and astronomers do observe stellar parallax.
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Ptolemy's model of the solar system was accepted by the church in 1600, whereas the church was against Copernicus's model.
-
Ptolemy's model does not include and explanation for retrograde motion of the planets.
Frage 2
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true or false, the largest optical telescopes on earth are refractors.
Antworten
- True
- False
Frage 3
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In a telescope, the star alberio is seen as a double star including a dimmer blue star and a brighter yellow star. Which star is hotter.
Antworten
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blue star
-
yellow star
-
we can't tell without knowing their distance
Frage 4
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The main function of an optical astronomical telescope is to
Antworten
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make objects look bigger
-
gather as much light as possible
-
increase the sharpness of an image
-
separate white light into its constituent colors
Frage 5
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on a day when mars rises in the southeast, in what direction will it set
Antworten
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southwest
-
southeast
-
northeast
-
northwest
Frage 6
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What kind of spectrum do you observe after passing a continuous spectrum through a cool, this gas
Antworten
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continuous plus bright lines
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bright line
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dark line
-
emission line
Frage 7
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our suns peak energy output occurs in what region of the electromagnetic spectrum
Antworten
-
infrared radiation
-
red colored light
-
green-blue colored light
-
ultraviolet radiation
Frage 8
Frage
which of these are types of ionzing radiation? CHECK ALL THAT APPLY
Antworten
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infrared rays
-
gamma rays
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microwaves
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ultra-long waves
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x-rays
Frage 9
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a partial lunar eclipse can only occur when the moon is in [blank_start]_[blank_end] phase
Antworten
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full
Frage 10
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The zodiac band of constellations straddles the
Antworten
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celestial equator
-
horizon
-
milky way
-
ecliptic
-
zenith
Frage 11
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Approximately what time would the waxing gibbous phase of the moon be highest overhead? [blank_start]-[blank_end]
Antworten
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9 pm
Frage 12
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what kind of spectrum do we see when we observe our sun?
Antworten
-
bright line
-
dark line
-
emission line
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maginot line
-
continuous
Frage 13
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The most important feature of a good scientific theory is that
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the theory must not predict any phenomena that have not been observed in the past
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the predictions the theory makes must agree with observations
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the theory must agree with all previous theories
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the theory must work well for obtaining funding from the national science foundation
Frage 14
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if a star rises at 10:30 pm today (Thursday) what time will it rise TWO days later (on Saturday)
Antworten
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10:26
-
10:22
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10:34
-
10:38
Frage 15
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compared to visible light, infrared radiation has... MARK TWO
Antworten
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longer wavelength
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shorter wavelength
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higher energy photons
-
lower energy photons
Frage 16
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mars in furthest from the sun when it is at
Antworten
-
perihelion
-
apogee
-
perigee
-
aphelion
Frage 17
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the solar system model made by Copernicus...
Antworten
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was heliocentric
-
was centered on earth
-
was geocentric
-
was egocentric
Frage 18
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the radio receiver dishes of the VLA are spaced far apart to get
Antworten
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more observing time on an object
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higher magnification
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greater radio wave length gathering area
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better resolution
Frage 19
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in the solar system model of _____, mars actually move backward in space (relative to its normal direction of motion) when it is doing its retrograde motion. it doesn't just appear to move backward as seen from earth in this model
Antworten
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newton
-
copernicus
-
ptolemy
-
galileo
Frage 20
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What type of spectrum is given off by a hot, solid object, such as an incandescent light bulb filament? [blank_start]___[blank_end]
Antworten
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continuous
Frage 21
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True or false: the closer to the sun a planet orbits, the slower it moves.
Antworten
- True
- False
Frage 22
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The two planets that never appear opposite in the sky from the sun are (CHOOSE TWO ANSWERS):
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jupiter
-
mars
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mercury
-
venus
-
saturn
-
neptune
Frage 23
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The moon displays a complete cycle of phases in one...
Antworten
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sidereal month
-
elliptic month
-
solar week
-
synodic month
Frage 24
Frage
the method we use to determine the age of the earth is:
Antworten
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measuring earthquake rates
-
radiometric dating
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ocean salinity increases
-
atmosphere escape dating
Frage 25
Frage
The first person to report observing the phases of Venus with a telescope was
Antworten
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tycho
-
ptolemy
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galileo
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newton
-
hubble
Frage 26
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a telescope lens forms an image using the principles of
Antworten
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reflection
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refraction
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dispersion
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diffraction
Frage 27
Frage
a star that is close enough to Polaris that it never rises or sets is called
Antworten
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circumpolar
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zodiacal
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synodical
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annular
Frage 28
Frage
Very accurate naked-eye observations make by ____ allowed _____ to derive his three laws of planetary motion. (choose one set of names to fill the blanks)
Antworten
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newton/keplar
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keplar/newton
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newton/galileo
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tycho/kepler
Frage 29
Frage
How would the mass of an object differ when measured on the earth and on the moon
Antworten
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the mass is greater on the moon
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the ass is the same in both places
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the mass is less on the moon
Frage 30
Frage
Polaris was not the earth's pole star 10000 years ago, this is because of
Antworten
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precession
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obfuscation
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stellar parralax
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the earth's magnetic field flips
Frage 31
Frage
an atom which had an electron removed is called
Antworten
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a neutron
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an isotope
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an ion
-
a fusion particle
Frage 32
Frage
there are two questions with images on test one that could not be entered. look at them on your own. Type YES if you understand. [blank_start]___[blank_end]
Antworten
-
Yes
Frage 33
Frage
a necleus of an oxygen atom contains (mark all that apply)
Antworten
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protons
-
electrons
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waxons
-
neutrons
Frage 34
Frage
The greenhouse effect of the earths atmosphere keeps the earth warmer because...
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air is trasparent to incoming visible light, but partially opaque to outgoing infrared rays
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earth's magnetic field traps heat in the lower atmosphere
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the ozone layer is very efficient at reflecting cold rays back into outerspace
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the decay of radioactive elements inside the earth provides heat
Frage 35
Frage
The layer of ozone in the earth's atmosphere...
Antworten
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regulates earth's ocean temperature
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blocks some solar ultraviolet radiation
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creates the earth's magnetic field
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reflects dangerous gamma rays back to space
Frage 36
Frage
Which part of the moon's serface is younger.
Antworten
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the maria areas
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the cratered highlands
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the light-colored areas
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the mountain ranges
Frage 37
Frage
the asteroid belt is bordered by the orbits of (choose 2 answers)
Antworten
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titan
-
neptune
-
mars
-
saturn
-
jupiter
-
venus
Frage 38
Frage
the solid part of a comet is called the [blank_start]____[blank_end]
Antworten
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Nucleus
Frage 39
Frage
Comet tails are made of (mark all that apply)
Antworten
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liquid water droplets
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molten metal droplets
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gas
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dust particles
Frage 40
Frage
The most abundant gas in earth's current atmosphere is
Antworten
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oxygen
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nitrogen
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helium
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ozone
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methane
Frage 41
Frage
the 2ND most abundant gas in venus's atmosphere is
Antworten
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nitrogen
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oxygen
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methane
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carbon dioxide
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hydrogen
Frage 42
Frage
han solo has the millennium falcon <3 at Triton, and he has to pick up princess leia from the largest moon in our solar system. which way must he go?
Antworten
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closer to the sun
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farther from the sun
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neither because both moons orbit the same planet
-
he is already on the correct moon
Frage 43
Frage
Which of the planets in our solar system that have rings has the smallest diameter? [blank_start]____[blank_end]
Antworten
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neptune
Frage 44
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we know that this planet has no global magnetic field
Antworten
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uranus
-
neptune
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murcury
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satern
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venus
-
jupiter
-
earth
Frage 45
Frage
although venus is further from the sun than murcury, venus has a thigher surface tempurature. why?
Antworten
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Mercury is smaller in size than Venus, so it absorbs less sunlight
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Mercury has less mass than Venus so it cant hold the heat photons
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Venus has a thick atmosphere of carbon dioxide
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Venus has a dense ozone layer
Frage 46
Frage
theearth's magnetic feild is generated by
Antworten
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the solid iron inner core vibrating rapidly
-
a dynamo effect in the liquid outer core
-
the shifting of plates in the earth's crust
-
the solar wind plasma hitting the ozone layer
Frage 47
Frage
the earth's surface does not contain large amounts of carbon dioxide because
Antworten
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it chemically reacted with our helium
-
it all escaped into space due to our low gravity
-
our oceans and life forms remove it
-
cows have removed all the co2 by inhaling it
Frage 48
Frage
List a planet that exhibits retrograde rotation and is a terrestrial planet: [blank_start]__[blank_end]
Antworten
-
venus
Frage 49
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Compared to terrestrial planets, Jovian planets have (choose 3)
Antworten
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greater density
-
lower denisty
-
fewer moons
-
more moons
-
faster rotation
-
slower roation
Frage 50
Frage
the asteroids in the asteroid belt are generally composed of
Antworten
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rock & metal
-
ice & gasses
-
hydrogen & helium
-
curds & whey
Frage 51
Frage
the lump of metal we passed around in class is properly called a
Antworten
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Meteorite
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meteroid
-
meteroligest
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meteor
-
meteor-senpai
Frage 52
Frage
which of these materials are found in the polar caps on mars (mark all that apply)
Antworten
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frozen oxygen
-
water ice
-
helium ice
-
solid carbon dioxide
Frage 53
Frage
The most common gas in the atmosphere of Saturn is
Antworten
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nitrogen
-
oxygen
-
methane
-
carbon dioxide
-
hydrogen
Frage 54
Frage
this planet has clouds made of concentrated sulfuric acid
Antworten
-
uranus
-
neptune
-
murcury
-
saturn
-
jupiter
-
venus
Frage 55
Frage
the gas tail of a comet points away from the sun due to
Antworten
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radiation pressure
-
solar wind
-
the sun's magnetic field
-
"jets" from the comet
Frage 56
Frage
the mean density of the earth is 5.5 times that of water, while the crust is only 3 times that of water. this suggests that..
Antworten
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earth has a liquid core
-
earth probably has a dense metal core
-
earths core has a lower density than the crust
-
earth's atmosphere is made mostly of oxygen
Frage 57
Frage
the largest asteroid in the asteroid belt is
Antworten
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ceres
-
titan
-
charon
-
holestein
-
angus
-
guernsey
Frage 58
Frage
the atmosphere of [blank_start]___[blank_end] has 1.5 times the surface pressure of the earth's atmosphere, is composed mainly of nitrogen, and has an opaque orange smog layer that hides the surface from the view of visible light telescopes.
Antworten
-
titan
Frage 59
Frage
mars has a reddish surface color because
Antworten
-
the carbon dioxide in its atmosphere absorbs blue light, allowing red light to pass through.
-
the temperature of the surface causes it to glow with a dull reddish orange color
-
the single-cell organisms that cover its surface use a chlorophyll that is red, not green
-
the surface material has been oxidized by oxygen that was previously in its atmosphere
Frage 60
Frage
which planet or moon have we observed that has a crust composed of plates that shift position very slowly over time? [blank_start]__[blank_end]
Antworten
-
earth
Frage 61
Frage
why did the Jovian planets only form n the outer part of the solar system?
Antworten
-
it was the only part of the solar nebula that contained hydrogen gas molecules
-
the Jovian planets didn't have enough mass to attract rock and metal to form into terrestrials
-
hydrogen molecules move slow enough out there for a forming planet to hold onto them
-
it was too hot out there to melt rock and metal to form terrestrial planets
Frage 62
Frage
where on our moon would you most likely find water ice
Antworten
-
in the sea of tranquility
-
in some permanently-shadowed craters near the lunar poles
-
in the largest craters near the lunar equator
-
50 feet below the surfaces of all maria
Frage 63
Frage
which of these has a sub-surface salt-water ocean
Antworten
-
europa
-
venus
-
mars
-
jupiter
-
mercury
Frage 64
Frage
which of these rotates three times on its axis for every two orbits it makes
Antworten
-
euorpa
-
venus
-
mars
-
jupiter
-
mercury
Frage 65
Frage
tidal forces in the earth-moon system are responsible for what effects (mark two)
Antworten
-
the length of earth's day is getting longer
-
the length of earth's day is getting shorter
-
the moon's orbit is getting smaller
-
the moon's orbit is getting larger
Frage 66
Frage
True or false: Neptune was discovered accidentally by William herchel using a 6-inch telescope
Antworten
- True
- False
Frage 67
Frage
the particles that hit the earth's atmosphere and burn up during a meteor shower
Antworten
-
large rocks from the asteroid belt
-
particles left a comet trail along its oribt
-
ice crystals streaming in from interstellar space
-
ejecta from meteorite impacts on the lunar surface
Frage 68
Frage
the oort cloud is located
Antworten
-
in venus' atmosphere
-
in jupiters' atmosphere
-
far beyond neptune
-
around io
Frage 69
Frage
radiometric dating shows that the age of our solar system is [blank_start]_[blank_end] years.
Antworten
-
4.6 billion
Frage 70
Frage
number the stages of stellar evolution our sun will go though in order (1 - 4). White dwarf [blank_start]__[blank_end] , red giant [blank_start]__[blank_end] , main sequence [blank_start]__[blank_end] , planetary nebula ejection [blank_start]___[blank_end] ,
Antworten
-
4
-
2
-
1
-
3
Frage 71
Frage
Of the spectral types listed below, which one corresponds to the coolest temperature stars:
Antworten
-
G
-
F
-
O
-
B
-
A
Frage 72
Frage
Where are red giant stars located on the H-R diagram
Antworten
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along the left side
-
along the top side
-
in the upper right
-
in the lower right
Frage 73
Frage
what property is plotted vertically on an H-R diagram? [blank_start]__[blank_end]
Antworten
-
luminosity
Frage 74
Frage
if the position of and evolving star on a H-R diagram is moving straight left over time, what is happening
Antworten
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the star is getting more luminous
-
the star is getting hotter
-
the star is getting larger in diameter
-
the star is getting less luminous
-
the star is getting cooler
-
the star is getting smaller in diameter
Frage 75
Frage
the location of the main sequence turnoff point on the H-R diagram of a cluster tells us its
Antworten
-
mass
-
chemical composition
-
age
-
stellar population
Frage 76
Frage
which element CANT be used by high mass starts as a fuel in nuclear fusion reactions to obtain energy
Antworten
-
carbon
-
hydrogen
-
helium
-
silicon
-
iron
Frage 77
Frage
the boundary of a black hole is called the [blank_start]_[blank_end] [blank_start]_[blank_end]
Antworten
-
Event
-
Horizon
Frage 78
Frage
einstine's theory of general relitivity explains gravity in terms of
Antworten
-
the bending of space-time by matter, causing objects to follow curved geodesic paths
-
quantum mechanical effects from the interactions of gravitons with higgs bosons
-
a force of attraction between objects that depends on the electric charges of objects
-
the natural tendency for earthy substances to seek the center of the universe
Frage 79
Frage
how do we know our galaxy has a very massove halo of "dark matter" if we cant see it
Antworten
-
from the spectrum of the halo
-
the dark matter does give off detectable radio waves
-
the ages of planetary nebulae
-
the dark matter affects the rotation of the galaxy
Frage 80
Frage
the diameter of our galaxy is approximately [blank_start]__[blank_end] light years
Antworten
-
120000
Frage 81
Frage
if you lower the temperature of a normal gas in a container...
Antworten
-
it expands
-
its pressure decreases
-
its molecules speed up
-
it ionizes
Frage 82
Frage
how do we know the interior structure of our sun
Antworten
-
because it is a gas so we can see all the way into the center
-
space probes can send bursts of x-rays through the sun's core
-
its surface oscillation tell us about the interior (helioseismology)
-
we have landed seismographs on the surface of the sun at night. (apocryphilology)
Frage 83
Frage
a type 1a supernove (which shows no hydrogen in its spectrum) results from the explosion of a
Antworten
-
very young star
-
very high-mass star
-
red dwarf
-
white dwarf
Frage 84
Frage
what is the most common type of star in our galaxy
Antworten
-
red dwarf
-
white dwarf
-
green giant
-
blue dwarf
Frage 85
Frage
two stars, gimli and fezzik, are both spectral type m3, but fezzik has much greater luminosity than gimli. Therefore we know...
Antworten
-
gimli is hotter than fezzik
-
gimli is cooler than fezzik
-
gimli is larger than fezzik
-
gimli is smaller than gezzik
Frage 86
Frage
the gravitational collapse of a white dwarf is prevented by
Antworten
-
degenerate electron pressure
-
degenerate neutron pressure
-
energy production inside
-
hot gas pressure
Frage 87
Frage
the maximum mass a white dwarf can have is ___ solar masses
Antworten
-
0.4
-
1.4
-
3.4
-
8
-
~100
Frage 88
Frage
when a star first begins its life on the main sequence, what primarily determines where the star is located on the sequence
Antworten
-
its magnetic field strength
-
its chemical composition
-
its mass
-
its age
Frage 89
Frage
the nuclear reactions in our sun produce energy because
Antworten
-
of the radioactive decay of helium necleus
-
a helium nucleus weights less than four hydrogen nuclei that form it by fusion
-
the reactions pull energy out of the suns magnetic field and radiate it into space
-
the reactions pull energy out of the suns rotation and radiate it into space
Frage 90
Frage
pulsars are
Antworten
-
black holes detected by their regular radio pulses
-
neutron stars that beam energy as they rotate rapidly
-
white dwarfs that change size
-
old planetary nebulae
Frage 91
Frage
which of these can produce a black hole?
Antworten
-
type B supernova
-
type 2 supernova
-
type 1a supernova
-
regular nova
Frage 92
Frage
how do the chemical composition of stars
Antworten
-
from their colors
-
from their spectra
-
from their orbits
-
from samples collected by interstellar space probes.
Frage 93
Frage
the photosphere of the sun has a temperature pf approximately [blank_start]___[blank_end] kelvin
Antworten
-
5800
Frage 94
Frage
sunspots are __ than the surrounding photosphere
Antworten
-
hotter
-
brighter
-
cooler
-
bluer
Frage 95
Frage
where are the most neutrinos produced in the sun
Antworten
-
center
-
chromosphere
-
photosphere
-
corona
Frage 96
Frage
the length of the sunspot cycle averages around ___ years
Antworten
-
11
-
34
-
5
-
98
Frage 97
Frage
the very hot, low density outer layer of the suns atmosphere is the
Antworten
-
corona
-
photosphere
-
aggitosphere
-
chromosphere
Frage 98
Frage
which stellar population formed first in our galaxy
Antworten
-
population 1
-
population 2
-
population zero
-
they all formed at the same time
Frage 99
Frage
which of these stars would have the longest lifetime
Antworten
-
1.4 solar mass star
-
0.4 solar mass star
-
type B star
-
50 solar mass star
Frage 100
Frage
the two most abundant gasses in the interstellar medium are [blank_start]___[blank_end] and [blank_start]___[blank_end].
Antworten
-
hydrogen
-
helium
Frage 101
Frage
which of these objects in our galaxy is the oldest
Antworten
-
an open cluster
-
the m13 globular cluster
-
the high mass cepheid star
-
our sun
Frage 102
Frage
what type of star produces a type 2 supernova
Antworten
-
white dwarf
-
very high mass star
-
red dwarf
-
all of these
Frage 103
Frage
we can learn the masses of various stars by observing
Antworten
-
star tempuratures
-
binary star orbits
-
parallax shifts of stars
-
stellar flares
Frage 104
Frage
on a H-R diagram, most stars are located on the [blank_start]__[blank_end] [blank_start]___[blank_end].
Antworten
-
main
-
sequence
Frage 105
Frage
the crab nebula is
Antworten
-
a collapsing protostar
-
a giant molecular cloud in orion
-
i giant molecular cloud
-
a cluster of stars in the crab constellation
-
an expanding supernova remnant
-
the
-
largest globular cluster in the milky way
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