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131 Cards in this Set
- Front
- Back
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uses a system of lenses
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refractor telescope
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the scientific study of heavenly bodies
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astronomy
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influence of the positions of stars and planets on human affairs and events upon earth
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astrology
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telescope which uses a system of mirrorstelescope which uses a system of mirrorstelescope which uses a system of m
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reflector telescope
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Astronomy is the study of the stars, planets, and other objects that make up the universe.
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true
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Astrology is helpful to understand events on earth.
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false
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People have studied stars and their patterns for thousands of years.
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true
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Astronomy is one of the oldest sciences.
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true
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The invention of the telescope was not important to astronomy.
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false
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For Christians, the discoveries of astronomy must be compatible with our faith in God as the Creator and Sustainer of the universe.
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true
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The Bible teaches that the sun orbits around the earth.
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false
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Astrology is based on scientific studies and fact.
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false
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said sun revolved around earth
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ptolemy
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said earth revolved around sun
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Nicolaus Copernicus
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analyzed motions of planets
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tycho brahe
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first used refracting telescope for astronomy
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Galileo Galilei
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invented reflecting telescope
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Isaac Newton
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discovered the planet Uranus
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William Herschel
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discovered the planet Neptune
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Johann Galle
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discovered Pluto
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Clyde Tombaugh
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developed special and general theories of relativity
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Albert Einstein
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demonstrated that the universe is expanding
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Edwin Hubble
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discovered radio waves from center of Milky Way
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Karl Jansky
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amateur astronomer who built the first radio telescope
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Grote Weber
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The science of astronomy was advanced greatly by space travel, allowing observations above the earth's atmosphere.
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true
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The _________ is a large reflecting telescope in space that was launched in 1990.
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Hubble
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The ________ is an x-ray telescope in space that was launched in 1999.
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Chandra
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The ________ is a network of 27 radio telescopes located near Socorro, New Mexico
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Very Large Array
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Many important discoveries in astronomy, such as the radio telescope, were made by amateur astronomers.
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true
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discovered law of gravitation
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Newton
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made charts of star positions
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Chinese
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first artificial satellite into space
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1957
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Amateur astronomers have made important discoveries in astronomy.
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true
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Astrology is helpful to understand events on earth.
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false
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There are many stars and other objects in the universe.
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true
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Astronomy is one of the oldest sciences.
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true
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The invention of the telescope was not important to astronomy.
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false
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For Christians, the discoveries of astronomy must be compatible with our faith in God as the Creator and Sustainer of the universe.
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true
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The sun orbits around the earth.
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false
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The Hubble Space Telescope can detect objects 50 times fainter than those which can be seen from the surface of the earth.
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true
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Tycho Brahe analyzed the motions of the planets and predicted their motions.
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true
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Albert Einstein developed the first radio telescope
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false
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Isaac Newton invented the _______________ telescope.
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reflecting
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Karl Jansky, an American engineer, discovered ____________ from outer space.
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radio waves
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Two identical telescopes, Keck I and Keck II, are located in:
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Hawaii
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The ancient Egyptians made predictions of springtime by observing certain stars in the sky.
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true
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An American astronomer, Clyde Tombaugh, discovered what?
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Pluto
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a spectrum, or spread, of colors which appears as colored lines on a black background
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bright-line spectrum
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a spread of colors like that produced by a prism or raindrop
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continuous spectrum
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a continuous spectrum containing dark lines known as Fraunhofer lines
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dark-line spectrum
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dark lines which appear in a spectrum indicating the presence of a substance being vaporized
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Fraunhofer lines
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The dark lines in the spectrum were named for:
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Fraunhofer
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The dark-line spectrum is used mainly to identify:
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any element
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A gaseous substance will absorb the color of the spectrum:
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anywhere along the band of spectral colors
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Helium was discovered:
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on earth after it was found on the sun
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A glowing gas such as neon will give a:
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bright-line spectrum
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_________ magnitude measures of the brightness of a star as it appears to an observer on earth.
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apparent
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The astronomer who first classified stars according to their brightness was ____________________
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Hipparchus
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In the modern brightness scale, __________ numbers represent the brightest stars.
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negative
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The true or real brightness of a star is called its:
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absolute magnitude
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The sun is brighter than all other stars because of its:
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apparent magnitude
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The difference between the true and absolute magnitude of a star is caused by:
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various distances
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A(n) ________ is a unit of measure based on the distance of the earth to the sun consisting of 92,900,000 miles.
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astronomical unit
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A(n) ___________ is the distance light travels in one year, approximately 6 trillion miles.
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light year
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The approximate distance to the sun is __________ miles.
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93 million
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A standard unit of measurement based on the distance to the sun is the ______
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A.U.
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The distance of Venus to the sun must be:
(= equal, > greater than, < less than) |
< 1 A.U
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The distance of Saturn from the sun is:
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> 1 A.U.
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Supergiant red star located in the constellation Orion:
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Betelgeuse
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Blue supergiant star located in the constellation Orion:
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rigel
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The hottest stars are __________________.
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blue
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Our sun is a ________________ star.
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yellow
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The coolest stars are _____________.
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red
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Our sun is a _____________ star.
(hint) temp. |
moderate-temperature
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The surface temperature of our sun has been estimated at _________.
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10,000 ° F
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The largest stars known are the
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supergiant red
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The smallest stars known are the
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white dwarfs
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Our sun is a ______________-sized star
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medium
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The diameter of our sun is approximately miles.
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865,000
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An example of a supergiant red star is_________________
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Betelgeuse
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An example of a white dwarf is the companion star to
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sirius
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An example of a supergiant blue star is__________________
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Rigel
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An example of a medium-sized star is _____________________
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The sun
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The sun appears to be a very large star because it is so close to us.
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true
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The invention of telescopes has increased what people know about the universe.
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true
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Our sun is about medium range in size and temperature.
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true
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Fraunhofer was first to discover the gaps that appear as dark lines.
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true
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Many amateur astronomers have contributed to the science of astonomy.
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true
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The Hubble Space Telescope was named after Grote Weber.
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false
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Stars are made primarily of helium and hydrogen.
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true
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Helium was discovered on earth years after it had been discovered on the sun.
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true
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The distance from earth to the sun can only be measured in astronomical units.
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false
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The temperature of a star is related to its
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color and brightness
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What measure is used to determine a star's absolute magnitude?
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luminosity
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If a star has a negative magnitude it is not bright.
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false
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It is proposed that red giant stars are:
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old and dying
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The largest known stars are called
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supergiants
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Stars are ranked by their light intensity.
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true
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Evidence which confirms the "birth" of a star has been observed.
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false
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Elements present in stars may be identified by _____ lines on the spectrum.
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dark
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Which type of spectrum is expected from a glowing hot solid?
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continuous
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The dark-line spectrum may be seen through a spectroscope when looking at which of the following?
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the sun and stars
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All the remaining elements other than hydrogen and helium comprise___________________ % of the mass of stars.
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1
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The brightness of a star is measured by ______________
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Magnitude
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The sun is brighter than all other stars because of its:
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apparent magnitude
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The average distance from the earth to the ____ is one astronomical unit.
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sun
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The Big Dipper is located in _________________
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Ursa Major
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is a small group of stars which are part of a constellation
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An asterism
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Bootes is a constellation found near __________________
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big dipper
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The Greeks and Romans observed groups of stars in the northern two-thirds of the sky.
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true
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has replaced the astrolabe as a tool for measuring a star's angle at which it appears above the northern horizon.
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sextant
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All matter is in constant motion.
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true
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A corona is a group of stars visible within a particular region of the night sky.
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false
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On a clear night only 100 stars may be seen in the sky with the naked eye.
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false
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People living in different latitudes see different parts of the sky.
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true
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European navigators observed and named many constellations in the southernmost third of the sky.
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true
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Astronomers have divided the sky into 88 constellations.
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true
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VY Canis Majoris is located in the constellation Canus Minor.
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false
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The Little Dipper is located in:
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ursa minor
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Orion and the Pleiades are mentioned in the Bible in:
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Amos 5:8
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Another name for Polaris is:
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the North Star
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The constellation that is easily identified by his belt is:
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Orion
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The constellation also known as the bull is:
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Taurus
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Rigel is a blue-white star located in the constellation:
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Orion
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European navigators named many of the stars and constellations they observed after:
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scientific instruments
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The Bible teaches that the sun orbits around the earth.
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false
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Galileo observed craters on the moon.
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true
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A nebula is a gigantic cloud of dust and gas.
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true
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Helium was discovered on earth years after it had been discovered on the sun.
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true
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On a clear night, no more than 100 stars may be seen in the sky with the naked eye.
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false
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The hottest area of a star is the:
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core
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