Beach astro final

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

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

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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.

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The main function of an optical astronomical telescope is to

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

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

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

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

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

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The zodiac band of constellations straddles the

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

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

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The most important feature of a good scientific theory is that

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

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

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mars in furthest from the sun when it is at

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the solar system model made by Copernicus...

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

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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

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

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

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

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

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

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a telescope lens forms an image using the principles of

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

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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)

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

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

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an atom which had an electron removed is called

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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.

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

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

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

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Which part of the moon's serface is younger.

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

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the solid part of a comet is called the

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Comet tails are made of (mark all that apply)

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The most abundant gas in earth's current atmosphere is

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

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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?

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

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we know that this planet has no global magnetic field

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

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theearth's magnetic feild is generated by

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

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

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

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the asteroids in the asteroid belt are generally composed of

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

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

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The most common gas in the atmosphere of Saturn is

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this planet has clouds made of concentrated sulfuric acid

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

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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..

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the largest asteroid in the asteroid belt is

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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.

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mars has a reddish surface color because

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

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

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where on our moon would you most likely find water ice

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

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

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

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

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

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the oort cloud is located

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

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

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

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

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

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

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

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

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the boundary of a black hole is called the

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

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

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the diameter of our galaxy is approximately light years

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

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how do we know the interior structure of our sun

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

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what is the most common type of star in our galaxy

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

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the gravitational collapse of a white dwarf is prevented by

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

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

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the nuclear reactions in our sun produce energy because

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pulsars are

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which of these can produce a black hole?

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how do the chemical composition of stars

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the photosphere of the sun has a temperature pf approximately kelvin

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sunspots are __ than the surrounding photosphere

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where are the most neutrinos produced in the sun

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the length of the sunspot cycle averages around ___ years

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

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which stellar population formed first in our galaxy

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which of these stars would have the longest lifetime

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

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which of these objects in our galaxy is the oldest

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what type of star produces a type 2 supernova

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we can learn the masses of various stars by observing

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

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the crab nebula is

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

Beach astro final

Beach astro final

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

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

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.

The main function of an optical astronomical telescope is to

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

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

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

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

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

The zodiac band of constellations straddles the

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

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

The most important feature of a good scientific theory is that

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

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

mars in furthest from the sun when it is at

the solar system model made by Copernicus...

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

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

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)