Greg Gustav
Quiz by , created more than 1 year ago

professor beach unmla astronomy final, review of old tests from the class

26
0
0
Greg Gustav
Created by Greg Gustav over 8 years ago
Close

Beach astro final

Question 1 of 105

1

One reason copernicus's theory of the solar system was a better scientific theory than ptolemy's theory is because...

Select one of the following:

  • 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.

  • 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.

Explanation

Question 2 of 105

1

true or false, the largest optical telescopes on earth are refractors.

Select one of the following:

  • True
  • False

Explanation

Question 3 of 105

1

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.

Select one of the following:

  • blue star

  • yellow star

  • we can't tell without knowing their distance

Explanation

Question 4 of 105

1

The main function of an optical astronomical telescope is to

Select one of the following:

  • make objects look bigger

  • gather as much light as possible

  • increase the sharpness of an image

  • separate white light into its constituent colors

Explanation

Question 5 of 105

1

on a day when mars rises in the southeast, in what direction will it set

Select one of the following:

  • southwest

  • southeast

  • northeast

  • northwest

Explanation

Question 6 of 105

1

What kind of spectrum do you observe after passing a continuous spectrum through a cool, this gas

Select one of the following:

  • continuous plus bright lines

  • bright line

  • dark line

  • emission line

Explanation

Question 7 of 105

1

our suns peak energy output occurs in what region of the electromagnetic spectrum

Select one of the following:

  • infrared radiation

  • red colored light

  • green-blue colored light

  • ultraviolet radiation

Explanation

Question 8 of 105

1

which of these are types of ionzing radiation? CHECK ALL THAT APPLY

Select one or more of the following:

  • infrared rays

  • gamma rays

  • microwaves

  • ultra-long waves

  • x-rays

Explanation

Question 9 of 105

1

Fill the blank space to complete the text.

a partial lunar eclipse can only occur when the moon is in phase

Explanation

Question 10 of 105

1

The zodiac band of constellations straddles the

Select one of the following:

  • celestial equator

  • horizon

  • milky way

  • ecliptic

  • zenith

Explanation

Question 11 of 105

1

Fill the blank space to complete the text.

Approximately what time would the waxing gibbous phase of the moon be highest overhead?

Explanation

Question 12 of 105

1

what kind of spectrum do we see when we observe our sun?

Select one of the following:

  • bright line

  • dark line

  • emission line

  • maginot line

  • continuous

Explanation

Question 13 of 105

1

The most important feature of a good scientific theory is that

Select one of the following:

  • the theory must not predict any phenomena that have not been observed in the past

  • the predictions the theory makes must agree with observations

  • the theory must agree with all previous theories

  • the theory must work well for obtaining funding from the national science foundation

Explanation

Question 14 of 105

1

if a star rises at 10:30 pm today (Thursday) what time will it rise TWO days later (on Saturday)

Select one of the following:

  • 10:26

  • 10:22

  • 10:34

  • 10:38

Explanation

Question 15 of 105

1

compared to visible light, infrared radiation has... MARK TWO

Select one or more of the following:

  • longer wavelength

  • shorter wavelength

  • higher energy photons

  • lower energy photons

Explanation

Question 16 of 105

1

mars in furthest from the sun when it is at

Select one of the following:

  • perihelion

  • apogee

  • perigee

  • aphelion

Explanation

Question 17 of 105

1

the solar system model made by Copernicus...

Select one of the following:

  • was heliocentric

  • was centered on earth

  • was geocentric

  • was egocentric

Explanation

Question 18 of 105

1

the radio receiver dishes of the VLA are spaced far apart to get

Select one of the following:

  • more observing time on an object

  • higher magnification

  • greater radio wave length gathering area

  • better resolution

Explanation

Question 19 of 105

1

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

Select one of the following:

  • newton

  • copernicus

  • ptolemy

  • galileo

Explanation

Question 20 of 105

1

Fill the blank space to complete the text.

What type of spectrum is given off by a hot, solid object, such as an incandescent light bulb filament?

Explanation

Question 21 of 105

1

True or false: the closer to the sun a planet orbits, the slower it moves.

Select one of the following:

  • True
  • False

Explanation

Question 22 of 105

1

The two planets that never appear opposite in the sky from the sun are (CHOOSE TWO ANSWERS):

Select one or more of the following:

  • jupiter

  • mars

  • mercury

  • venus

  • saturn

  • neptune

Explanation

Question 23 of 105

1

The moon displays a complete cycle of phases in one...

Select one of the following:

  • sidereal month

  • elliptic month

  • solar week

  • synodic month

Explanation

Question 24 of 105

1

the method we use to determine the age of the earth is:

Select one of the following:

  • measuring earthquake rates

  • radiometric dating

  • ocean salinity increases

  • atmosphere escape dating

Explanation

Question 25 of 105

1

The first person to report observing the phases of Venus with a telescope was

Select one of the following:

  • tycho

  • ptolemy

  • galileo

  • newton

  • hubble

Explanation

Question 26 of 105

1

a telescope lens forms an image using the principles of

Select one of the following:

  • reflection

  • refraction

  • dispersion

  • diffraction

Explanation

Question 27 of 105

1

a star that is close enough to Polaris that it never rises or sets is called

Select one of the following:

  • circumpolar

  • zodiacal

  • synodical

  • annular

Explanation

Question 28 of 105

1

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)

Select one of the following:

  • newton/keplar

  • keplar/newton

  • newton/galileo

  • tycho/kepler

Explanation

Question 29 of 105

1

How would the mass of an object differ when measured on the earth and on the moon

Select one of the following:

  • the mass is greater on the moon

  • the ass is the same in both places

  • the mass is less on the moon

Explanation

Question 30 of 105

1

Polaris was not the earth's pole star 10000 years ago, this is because of

Select one of the following:

  • precession

  • obfuscation

  • stellar parralax

  • the earth's magnetic field flips

Explanation

Question 31 of 105

1

an atom which had an electron removed is called

Select one of the following:

  • a neutron

  • an isotope

  • an ion

  • a fusion particle

Explanation

Question 32 of 105

1

Fill the blank space to complete the text.

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.

Explanation

Question 33 of 105

1

a necleus of an oxygen atom contains (mark all that apply)

Select one or more of the following:

  • protons

  • electrons

  • waxons

  • neutrons

Explanation

Question 34 of 105

1

The greenhouse effect of the earths atmosphere keeps the earth warmer because...

Select one of the following:

  • air is trasparent to incoming visible light, but partially opaque to outgoing infrared rays

  • earth's magnetic field traps heat in the lower atmosphere

  • the ozone layer is very efficient at reflecting cold rays back into outerspace

  • the decay of radioactive elements inside the earth provides heat

Explanation

Question 35 of 105

1

The layer of ozone in the earth's atmosphere...

Select one of the following:

  • regulates earth's ocean temperature

  • blocks some solar ultraviolet radiation

  • creates the earth's magnetic field

  • reflects dangerous gamma rays back to space

Explanation

Question 36 of 105

1

Which part of the moon's serface is younger.

Select one of the following:

  • the maria areas

  • the cratered highlands

  • the light-colored areas

  • the mountain ranges

Explanation

Question 37 of 105

1

the asteroid belt is bordered by the orbits of (choose 2 answers)

Select one or more of the following:

  • titan

  • neptune

  • mars

  • saturn

  • jupiter

  • venus

Explanation

Question 38 of 105

1

Fill the blank space to complete the text.

the solid part of a comet is called the

Explanation

Question 39 of 105

1

Comet tails are made of (mark all that apply)

Select one or more of the following:

  • liquid water droplets

  • molten metal droplets

  • gas

  • dust particles

Explanation

Question 40 of 105

1

The most abundant gas in earth's current atmosphere is

Select one of the following:

  • oxygen

  • nitrogen

  • helium

  • ozone

  • methane

Explanation

Question 41 of 105

1

the 2ND most abundant gas in venus's atmosphere is

Select one of the following:

  • nitrogen

  • oxygen

  • methane

  • carbon dioxide

  • hydrogen

Explanation

Question 42 of 105

1

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?

Select one of the following:

  • closer to the sun

  • farther from the sun

  • neither because both moons orbit the same planet

  • he is already on the correct moon

Explanation

Question 43 of 105

1

Fill the blank space to complete the text.

Which of the planets in our solar system that have rings has the smallest diameter?

Explanation

Question 44 of 105

1

we know that this planet has no global magnetic field

Select one of the following:

  • uranus

  • neptune

  • murcury

  • satern

  • venus

  • jupiter

  • earth

Explanation

Question 45 of 105

1

although venus is further from the sun than murcury, venus has a thigher surface tempurature. why?

Select one of the following:

  • Mercury is smaller in size than Venus, so it absorbs less sunlight

  • Mercury has less mass than Venus so it cant hold the heat photons

  • Venus has a thick atmosphere of carbon dioxide

  • Venus has a dense ozone layer

Explanation

Question 46 of 105

1

theearth's magnetic feild is generated by

Select one of the following:

  • 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

Explanation

Question 47 of 105

1

the earth's surface does not contain large amounts of carbon dioxide because

Select one of the following:

  • 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

Explanation

Question 48 of 105

1

Fill the blank space to complete the text.

List a planet that exhibits retrograde rotation and is a terrestrial planet:

Explanation

Question 49 of 105

1

Compared to terrestrial planets, Jovian planets have (choose 3)

Select one or more of the following:

  • greater density

  • lower denisty

  • fewer moons

  • more moons

  • faster rotation

  • slower roation

Explanation

Question 50 of 105

1

the asteroids in the asteroid belt are generally composed of

Select one of the following:

  • rock & metal

  • ice & gasses

  • hydrogen & helium

  • curds & whey

Explanation

Question 51 of 105

1

the lump of metal we passed around in class is properly called a

Select one of the following:

  • Meteorite

  • meteroid

  • meteroligest

  • meteor

  • meteor-senpai

Explanation

Question 52 of 105

1

which of these materials are found in the polar caps on mars (mark all that apply)

Select one or more of the following:

  • frozen oxygen

  • water ice

  • helium ice

  • solid carbon dioxide

Explanation

Question 53 of 105

1

The most common gas in the atmosphere of Saturn is

Select one of the following:

  • nitrogen

  • oxygen

  • methane

  • carbon dioxide

  • hydrogen

Explanation

Question 54 of 105

1

this planet has clouds made of concentrated sulfuric acid

Select one of the following:

  • uranus

  • neptune

  • murcury

  • saturn

  • jupiter

  • venus

Explanation

Question 55 of 105

1

the gas tail of a comet points away from the sun due to

Select one of the following:

  • radiation pressure

  • solar wind

  • the sun's magnetic field

  • "jets" from the comet

Explanation

Question 56 of 105

1

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..

Select one of the following:

  • 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

Explanation

Question 57 of 105

1

the largest asteroid in the asteroid belt is

Select one of the following:

  • ceres

  • titan

  • charon

  • holestein

  • angus

  • guernsey

Explanation

Question 58 of 105

1

Fill the blank space to complete the text.

the atmosphere of 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.

Explanation

Question 59 of 105

1

mars has a reddish surface color because

Select one of the following:

  • 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

Explanation

Question 60 of 105

1

Fill the blank space to complete the text.

which planet or moon have we observed that has a crust composed of plates that shift position very slowly over time?

Explanation

Question 61 of 105

1

why did the Jovian planets only form n the outer part of the solar system?

Select one of the following:

  • 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

Explanation

Question 62 of 105

1

where on our moon would you most likely find water ice

Select one of the following:

  • 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

Explanation

Question 63 of 105

1

which of these has a sub-surface salt-water ocean

Select one of the following:

  • europa

  • venus

  • mars

  • jupiter

  • mercury

Explanation

Question 64 of 105

1

which of these rotates three times on its axis for every two orbits it makes

Select one of the following:

  • euorpa

  • venus

  • mars

  • jupiter

  • mercury

Explanation

Question 65 of 105

1

tidal forces in the earth-moon system are responsible for what effects (mark two)

Select one or more of the following:

  • 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

Explanation

Question 66 of 105

1

True or false: Neptune was discovered accidentally by William herchel using a 6-inch telescope

Select one of the following:

  • True
  • False

Explanation

Question 67 of 105

1

the particles that hit the earth's atmosphere and burn up during a meteor shower

Select one of the following:

  • 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

Explanation

Question 68 of 105

1

the oort cloud is located

Select one of the following:

  • in venus' atmosphere

  • in jupiters' atmosphere

  • far beyond neptune

  • around io

Explanation

Question 69 of 105

1

Fill the blank space to complete the text.

radiometric dating shows that the age of our solar system is years.

Explanation

Question 70 of 105

1

Fill the blank spaces to complete the text.

number the stages of stellar evolution our sun will go though in order (1 - 4). White dwarf , red giant , main sequence , planetary nebula ejection ,

Explanation

Question 71 of 105

1

Of the spectral types listed below, which one corresponds to the coolest temperature stars:

Select one of the following:

  • G

  • F

  • O

  • B

  • A

Explanation

Question 72 of 105

1

Where are red giant stars located on the H-R diagram

Select one of the following:

  • along the left side

  • along the top side

  • in the upper right

  • in the lower right

Explanation

Question 73 of 105

1

Fill the blank space to complete the text.

what property is plotted vertically on an H-R diagram?

Explanation

Question 74 of 105

1

if the position of and evolving star on a H-R diagram is moving straight left over time, what is happening

Select one or more of the following:

  • 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

Explanation

Question 75 of 105

1

the location of the main sequence turnoff point on the H-R diagram of a cluster tells us its

Select one of the following:

  • mass

  • chemical composition

  • age

  • stellar population

Explanation

Question 76 of 105

1

which element CANT be used by high mass starts as a fuel in nuclear fusion reactions to obtain energy

Select one of the following:

  • carbon

  • hydrogen

  • helium

  • silicon

  • iron

Explanation

Question 77 of 105

1

Fill the blank spaces to complete the text.

the boundary of a black hole is called the

Explanation

Question 78 of 105

1

einstine's theory of general relitivity explains gravity in terms of

Select one of the following:

  • 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

Explanation

Question 79 of 105

1

how do we know our galaxy has a very massove halo of "dark matter" if we cant see it

Select one of the following:

  • 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

Explanation

Question 80 of 105

1

Fill the blank space to complete the text.

the diameter of our galaxy is approximately light years

Explanation

Question 81 of 105

1

if you lower the temperature of a normal gas in a container...

Select one of the following:

  • it expands

  • its pressure decreases

  • its molecules speed up

  • it ionizes

Explanation

Question 82 of 105

1

how do we know the interior structure of our sun

Select one of the following:

  • 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)

Explanation

Question 83 of 105

1

a type 1a supernove (which shows no hydrogen in its spectrum) results from the explosion of a

Select one of the following:

  • very young star

  • very high-mass star

  • red dwarf

  • white dwarf

Explanation

Question 84 of 105

1

what is the most common type of star in our galaxy

Select one of the following:

  • red dwarf

  • white dwarf

  • green giant

  • blue dwarf

Explanation

Question 85 of 105

1

two stars, gimli and fezzik, are both spectral type m3, but fezzik has much greater luminosity than gimli. Therefore we know...

Select one of the following:

  • gimli is hotter than fezzik

  • gimli is cooler than fezzik

  • gimli is larger than fezzik

  • gimli is smaller than gezzik

Explanation

Question 86 of 105

1

the gravitational collapse of a white dwarf is prevented by

Select one of the following:

  • degenerate electron pressure

  • degenerate neutron pressure

  • energy production inside

  • hot gas pressure

Explanation

Question 87 of 105

1

the maximum mass a white dwarf can have is ___ solar masses

Select one of the following:

  • 0.4

  • 1.4

  • 3.4

  • 8

  • ~100

Explanation

Question 88 of 105

1

when a star first begins its life on the main sequence, what primarily determines where the star is located on the sequence

Select one of the following:

  • its magnetic field strength

  • its chemical composition

  • its mass

  • its age

Explanation

Question 89 of 105

1

the nuclear reactions in our sun produce energy because

Select one of the following:

  • 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

Explanation

Question 90 of 105

1

pulsars are

Select one of the following:

  • 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

Explanation

Question 91 of 105

1

which of these can produce a black hole?

Select one of the following:

  • type B supernova

  • type 2 supernova

  • type 1a supernova

  • regular nova

Explanation

Question 92 of 105

1

how do the chemical composition of stars

Select one of the following:

  • from their colors

  • from their spectra

  • from their orbits

  • from samples collected by interstellar space probes.

Explanation

Question 93 of 105

1

Fill the blank space to complete the text.

the photosphere of the sun has a temperature pf approximately kelvin

Explanation

Question 94 of 105

1

sunspots are __ than the surrounding photosphere

Select one of the following:

  • hotter

  • brighter

  • cooler

  • bluer

Explanation

Question 95 of 105

1

where are the most neutrinos produced in the sun

Select one of the following:

  • center

  • chromosphere

  • photosphere

  • corona

Explanation

Question 96 of 105

1

the length of the sunspot cycle averages around ___ years

Select one of the following:

  • 11

  • 34

  • 5

  • 98

Explanation

Question 97 of 105

1

the very hot, low density outer layer of the suns atmosphere is the

Select one of the following:

  • corona

  • photosphere

  • aggitosphere

  • chromosphere

Explanation

Question 98 of 105

1

which stellar population formed first in our galaxy

Select one of the following:

  • population 1

  • population 2

  • population zero

  • they all formed at the same time

Explanation

Question 99 of 105

1

which of these stars would have the longest lifetime

Select one of the following:

  • 1.4 solar mass star

  • 0.4 solar mass star

  • type B star

  • 50 solar mass star

Explanation

Question 100 of 105

1

Fill the blank spaces to complete the text.

the two most abundant gasses in the interstellar medium are and .

Explanation

Question 101 of 105

1

which of these objects in our galaxy is the oldest

Select one of the following:

  • an open cluster

  • the m13 globular cluster

  • the high mass cepheid star

  • our sun

Explanation

Question 102 of 105

1

what type of star produces a type 2 supernova

Select one of the following:

  • white dwarf

  • very high mass star

  • red dwarf

  • all of these

Explanation

Question 103 of 105

1

we can learn the masses of various stars by observing

Select one of the following:

  • star tempuratures

  • binary star orbits

  • parallax shifts of stars

  • stellar flares

Explanation

Question 104 of 105

1

Fill the blank spaces to complete the text.

on a H-R diagram, most stars are located on the .

Explanation

Question 105 of 105

1

the crab nebula is

Select one of the following:

  • 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

Explanation

Previous
Check answer
Next