Stars, other than the Sun, are too far away from Earth to be studied by space probes. How are scientists able to study the
composition of a star that is located outside of the Solar System?
OA. by evaluating the different colors of light radiated by the star
OB. by evaluating the mass, density, and volume of the star
OC. by evaluating the air pressure in the atmosphere of the star
OD. by evaluating the kinds of sounds given off by the star
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Click the button that shows the correct relationship of the electron affinities of the elements sodium and phosphorus. sodium’s electron affinity value is more negative than the electron affinity value of phosphorus. phosphorus’ electron affinity value is more negative than the electron affinity value of sodium. this information cannot be determined using the periodic table. answer is b on e2020.
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Stars, other than the Sun, are too far away from Earth to be studied by space probes. How are scient...
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