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.

Question

Quizplus · Accepted Answer

Ultrafaint dwarf galaxies are dominated by dark matter, with very little visible matter, making them some of the most dark matter-dominated objects known.

Which of the Following Is True About Ultrafaint Dwarf Galaxies