Q. What are the two opposing forces that keep stars between collapsing and inflating?

Q. Hydrogen fusion makes helium. "Triple-alpha" helium fusion makes ___

Q. Carbon will fuse in the core of a star that has more relative mass than ___

Q. If a star has more than about eight times the Sun's mass, it can fuse carbon into ___

Q. A star becomes a ticking time-bomb once silicon starts fusing into ___

Q. When helium fusion begins, a massive, blue, main sequence star will become ___

Q. Which bright star, in the constellation Orion, is a red super giant?

Q. VY Canis Majoris, the largest known star, is two billion km across and is classified as ___

Q. The core of a supergiant star looks like an onion because it has ___

Q. The Sun can fuse hydrogen for over ten billion years, while a star twice as massive runs out of hydrogen in ___

Q. In massive stars, the fusion of which element occurs at a "ridiculously high rate"?

Q. Which element, in its creation, removes energy from a star's core and also sucks up electrons?

Q. As the core collapses, if a star has less than twenty times the Sun's mass, it becomes ___

Q. As the core collapses, if a star has more than twenty times the Sun's mass, it becomes ___

Q. The collapse of a star's core generates vast numbers of elusive subatomic particles called ___

Q. When the vast wave of neutrinos slams into the oncoming outer material, the explosion is called ___

Q. During a supernova, the expanding gas blasts outward at ___

Q. The Crab Nebula, formed from expanding material, is called ___

Q. Betelgeuse will certainly explode some day, but it's ___

Q. The creation of heavy elements during a supernova explosion is called ___

Q. The majority of heavy elements in the universe were created and scattered by ___