Which of These Is a Method Astronomers Have Recently Used

question 220

Multiple Choice

Which of these is a method astronomers have recently used to study the structure of white dwarfs?

• A) measuring how their light curves vary with time to study pulsations of the stars
• B) measuring gravitational waves generated by pulsations of the stars
• C) measuring neutrinos released when a cool white dwarf crystallizes
• D) capturing material ejected by novae with spacecraft

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