A red supergiant is observed in a globular cluster in another galaxy (located 150,000 light-years away). It is predicted, based on its mass and age of the star, that it will supernova in about10,000 years. Is this star still there?
A)No, it died in a supernova 10,000 years ago.
B)No, it died in a supernova 140,000 years ago.
C)No, it died in a supernova 150,000 years ago.
D)Yes, it will die in a supernova in 10,000 years.
E)Yes, it will die in a supernova 160,000 years from now.

Question

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The Answer of A red supergiant is observed in a globular cluster in another galaxy (located 150,000 light-years away). It is predicted, based on its mass and age of the star, that it will supernova in about10,000 years. Is this star still there?
A)No, it died in a supernova 10,000 years ago.
B)No, it died in a supernova 140,000 years ago.
C)No, it died in a supernova 150,000 years ago.
D)Yes, it will die in a supernova in 10,000 years.
E)Yes, it will die in a supernova 160,000 years from now.

A Red Supergiant Is Observed in a Globular Cluster in Another