Chapter 19 Test
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Last updated about 5 years ago
50 questions
2
The color of a star depends on it's
The color of a star depends on it's
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What can a scientist learn about a star from its spectrum?
What can a scientist learn about a star from its spectrum?
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What color are the hottest stars?
What color are the hottest stars?
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What are objects formed from the materials in the core of a supernova?
What are objects formed from the materials in the core of a supernova?
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Which of the following is true?
Which of the following is true?
2
Where are globular clusters found?
Where are globular clusters found?
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Where are open clusters found?
Where are open clusters found?
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Which of the following statements is NOT true?
Which of the following statements is NOT true?
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Why do scientists study distant galaxies?
Why do scientists study distant galaxies?
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Which of the following statements is true?
Which of the following statements is true?
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How are objects organized in the universe?
How are objects organized in the universe?
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What do scientists think will happen to the universe?
What do scientists think will happen to the universe?
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Which of the following is the hottest?
Which of the following is the hottest?
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According to the Big Bang Theory, the universe is about
According to the Big Bang Theory, the universe is about
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Scientists think that the Milky Way probably is
Scientists think that the Milky Way probably is
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What is one way scientists use to calculate the age of the universe?
What is one way scientists use to calculate the age of the universe?
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Elliptical galaxies and the halos of spiral galaxies contain groups of stars called
Elliptical galaxies and the halos of spiral galaxies contain groups of stars called
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According to the Big Bang Theory, what filled the universe after the original explosion?
According to the Big Bang Theory, what filled the universe after the original explosion?
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The universe is organized according to
The universe is organized according to
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What are the three major types of galaxies identified by Edwin Hubble?
What are the three major types of galaxies identified by Edwin Hubble?
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Why do scientists study distant galaxies to learn about early galaxies?
Why do scientists study distant galaxies to learn about early galaxies?
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Which of the following magnitudes indicates the brightest star?
Which of the following magnitudes indicates the brightest star?
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What binds a galaxy together?
What binds a galaxy together?
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What classification do astronomers use for galaxies?
What classification do astronomers use for galaxies?
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What type of galaxy is the Milky Way?
What type of galaxy is the Milky Way?
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In order to calculate a star's _____________ magnitude, it is necessary to know it's _________________ magnitude.
In order to calculate a star's _____________ magnitude, it is necessary to know it's _________________ magnitude.
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The sun has a(n) __________________ of +4.8 and a(n) ___________________ of -26.8.
The sun has a(n) __________________ of +4.8 and a(n) ___________________ of -26.8.
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The sun's _________________ is very great because it is so close to Earth.
The sun's _________________ is very great because it is so close to Earth.
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A cool star that has lost it's hydrogen is a(n) ___________________.
A cool star that has lost it's hydrogen is a(n) ___________________.
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Gas or dust from a nearby star that falls into a(n) _________________ gives off X-Rays, allowing astronomers to detect this object.
Gas or dust from a nearby star that falls into a(n) _________________ gives off X-Rays, allowing astronomers to detect this object.
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It is difficult to locate ________________ because they do not give off light.
It is difficult to locate ________________ because they do not give off light.
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One of the most powerful energy sources in the universe is a(n) __________________.
One of the most powerful energy sources in the universe is a(n) __________________.
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According to the Big Bang Theory, _________________ filled all of space following the original explosion.
According to the Big Bang Theory, _________________ filled all of space following the original explosion.
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The distance traveled by a photon of light in one year is called a __________________.
The distance traveled by a photon of light in one year is called a __________________.
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A star's ______________ does not depend on its distance from Earth.
A star's ______________ does not depend on its distance from Earth.
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The study of the origin, structure and future of the universe is called __________________.
The study of the origin, structure and future of the universe is called __________________.
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Large stars end their lives in huge explosions called_________________.
Large stars end their lives in huge explosions called_________________.
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Light travels in year over a distance called a(n) ________________.
Light travels in year over a distance called a(n) ________________.
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How bright a star is at 32.6 light years from Earth is called _________________.
How bright a star is at 32.6 light years from Earth is called _________________.
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A star may seem to move in place because of ______________.
A star may seem to move in place because of ______________.
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The brightness of a star as it appears to an observer on Earth.
The brightness of a star as it appears to an observer on Earth.
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An apparent shift in an object's position when viewed from different locations.
An apparent shift in an object's position when viewed from different locations.
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The band of color produced when white light passes through a prism.
The band of color produced when white light passes through a prism.
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The study of the origin, structure and future of the universe.
The study of the origin, structure and future of the universe.
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The distance that light travels in one year; about 9.5 trillion kilometers.
The distance that light travels in one year; about 9.5 trillion kilometers.
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A distant, starlike source of light.
A distant, starlike source of light.
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The brightest star as seen from Earth.
The brightest star as seen from Earth.
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The diagonal pattern on the H-R diagram where most stars appear.
The diagonal pattern on the H-R diagram where most stars appear.
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An object so massive and dense that not even light can escape its gravitational pull.
An object so massive and dense that not even light can escape its gravitational pull.
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The brightness of a star at a distance of 32.6 light years from Earth.
The brightness of a star at a distance of 32.6 light years from Earth.