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What can a scientist learn about a star from its spectrum?
emission lines
spectrum
parallax
a red star
brightness
positive
negative
its composition and temperature
A star’s magnitude refers to its
emission lines
spectrum
parallax
a red star
brightness
positive
negative
its composition and temperature
The apparent shift in the position of an object when viewed from different locations
emission lines
spectrum
parallax
a red star
brightness
positive
negative
its composition and temperature
Lines that are made when certain wavelengths of light, or colors, are given off by hot gases
emission lines
spectrum
parallax
a red star
brightness
positive
negative
its composition and temperature
Astronomers use these numbers to represent dimmer stars.
emission lines
spectrum
parallax
a red star
brightness
positive
negative
its composition and temperature
When you look at white light through a glass prism, you see a rainbow of colors called a
emission lines
spectrum
parallax
a red star
brightness
positive
negative
its composition and temperature
Astronomers use these numbers to represent brighter stars.
emission lines
spectrum
parallax
a red star
brightness
positive
negative
its composition and temperature
Which star is a cool star?
emission lines
spectrum
parallax
a red star
brightness
positive
negative
its composition and temperature
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