Respuesta :
The best and most correct answer among the choices provided by your question is the first choice or letter A.
The best method to estimate the speed at which a star is moving away from Earth is to measure the star's red shift.
I hope my answer has come to your help. Thank you for posting your question here in Brainly. We hope to answer more of your questions and inquiries soon. Have a nice day ahead!
The best method to estimate the speed at which a star is moving away from Earth is to measure the star's red shift.
I hope my answer has come to your help. Thank you for posting your question here in Brainly. We hope to answer more of your questions and inquiries soon. Have a nice day ahead!
