What Is the Best Description of Hanny's Voorwerp

question 37

Multiple Choice

What is the best description of Hanny's Voorwerp?

• A) spiral galaxies with unusually luminous nuclei
• B) elliptical galaxies with very broad emission lines
• C) a type of double-exhaust model
• D) extremely luminous objects with high redshifts
• E) glowing green gases due to excitation from energy from an active core

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