Which of the Following Is True About Ultrafaint Dwarf Galaxies

question 16

Multiple Choice

Which of the following is true about ultrafaint dwarf galaxies?

• A) They are surrounded by dark dust and gas.
• B) They are sites of active star formation.
• C) They are dominated by dark matter.
• D) They have been predicted but have never been observed.
• E) They are more massive than most dwarf galaxies.

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