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What is necessary to calculate a star's distance from Earth?
distance
No. Parallax cannot be used to calculate the distances of objects more than approximately 300 light-years away.
Light in space travels approximately 9.5 trillion km per year. Therefore, the images that astronomers see of distant objects
both A and B
all of the above
6 AU
declination and right ascension
150 million kilometers
How do light-years help astronomers to determine the ages of distant objects in space?
distance
No. Parallax cannot be used to calculate the distances of objects more than approximately 300 light-years away.
Light in space travels approximately 9.5 trillion km per year. Therefore, the images that astronomers see of distant objects
both A and B
all of the above
6 AU
declination and right ascension
150 million kilometers
A light-year is a measure of
distance
No. Parallax cannot be used to calculate the distances of objects more than approximately 300 light-years away.
Light in space travels approximately 9.5 trillion km per year. Therefore, the images that astronomers see of distant objects
both A and B
all of the above
6 AU
declination and right ascension
150 million kilometers
How are objects located on the celestial sphere?
distance
No. Parallax cannot be used to calculate the distances of objects more than approximately 300 light-years away.
Light in space travels approximately 9.5 trillion km per year. Therefore, the images that astronomers see of distant objects
both A and B
all of the above
6 AU
declination and right ascension
150 million kilometers
What is the distance of an object from Earth if the object is 7 AU from the sun? (Assume that both Earth and the object are located in the same direction from the sun.)
distance
No. Parallax cannot be used to calculate the distances of objects more than approximately 300 light-years away.
Light in space travels approximately 9.5 trillion km per year. Therefore, the images that astronomers see of distant objects
both A and B
all of the above
6 AU
declination and right ascension
150 million kilometers
An astronomical unit is equivalent to
distance
No. Parallax cannot be used to calculate the distances of objects more than approximately 300 light-years away.
Light in space travels approximately 9.5 trillion km per year. Therefore, the images that astronomers see of distant objects
both A and B
all of the above
6 AU
declination and right ascension
150 million kilometers
A star is located approximately 500 million light-years from Earth. Can a student determine the star's distance by calculating its parallax angle?
distance
No. Parallax cannot be used to calculate the distances of objects more than approximately 300 light-years away.
Light in space travels approximately 9.5 trillion km per year. Therefore, the images that astronomers see of distant objects
both A and B
all of the above
6 AU
declination and right ascension
150 million kilometers
What is a constellation?
distance
No. Parallax cannot be used to calculate the distances of objects more than approximately 300 light-years away.
Light in space travels approximately 9.5 trillion km per year. Therefore, the images that astronomers see of distant objects
both A and B
all of the above
6 AU
declination and right ascension
150 million kilometers
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