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Home Q & A Board Science-Related Homework Help Physics
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doit_the_clown doit_the_clown
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7 years ago
What is an Einstein ring?
A)   An arc of relativistic particles ejected from a galactic nucleus
B)   An example of the image formed by a gravitational lens
C)   A ring of material in some spiral galaxies created by a collision with a smaller galaxy
D)   An accretion disk around a black hole
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Discovering the Universe

Discovering the Universe


Edition: 7th
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Only two things are infinite, the universe and human stupidity, and I'm not sure about the former.

Albert Einstein
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hyponoticahyponotica
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7 years ago
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4 years ago
thank you
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