When were the first black

  1. What is the main challenge astronomers face when trying to directly detect black holes?(1 point)Responses Black holes are too
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  2. What is the main challenge astronomers face when trying to directly detect black holes?(1 point)Responses Black holes are too
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  3. What is the main challenge astronomers face when trying to directly detect black holes?(1 point)Responses Black holes are empty.
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  4. What is the main challenge astronomers face when trying to directly detect black holes?(1 point)Responses Black holes are too
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  5. What is the main challenge astronomers face when trying to directly detect black holes?(1 point) Responses Black holes are too
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  6. What is the main challenge astronomers face when trying to directly detect black holes?(1 point)Responses Black holes are empty.
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  7. What is the main challenge astronomers face when trying to directly detect black holes?(1 point) Responses Black holes are too
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  8. What is the main challenge astronomers face when trying to directly detect black holes?(1 point)Responses Black holes are too
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    2. What is most necessary for a coherent text to do?( asked by What is most necessary for a coherent text to do?(
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  9. What is the main challenge astronomers face when trying to directly detect black holes?(1 point)Responses Black holes are too
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  10. What is the main challenge astronomers face when trying to directly detect black holes?(1 point)Responses Black holes are too
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