10 Questions What do you know about stars? Test your starry knowledge with this stellar quiz! How many stars are there in the Milky Way Galaxy? 200,000 200 million 200 billion Most stars form in tightly packed groups called: star clusters star huddles star formations A star's mass is the most important thing that determines: its temperature, luminosity, and color how it will live and die all of the above … and 7 more awesome questions! Check them out by clicking “Play”.
