Star Formation
What is the dense cloud of gas and dust from which stars form?
What is a nebula?
What is the stage in a star's life when it is fusing hydrogen into helium?
What is the main sequence?
What is the stage after a star exhausts its fuel?
What is the giant or supergiant stage?
What is the explosive event marking a star's death?
What is a supernova?
What is the region of spacetime where gravity is so strong nothing can escape?
What is a black hole?
What force initiates the collapse of a nebula to form a star?
What is gravity?
How does the mass of a star affect its time on the main sequence?
What is higher mass stars spend less time on the main sequence, while lower mass stars spend more time?
What process causes a star to expand into a giant?
What is the depletion of hydrogen in the core and the expansion of the outer layers?
What type of supernova occurs in binary star systems?
What is a Type Ia supernova?
What is the boundary surrounding a black hole beyond which nothing can escape?
What is the event horizon?
What are the two main elements found in a molecular cloud?
What are hydrogen and helium?
What is the approximate temperature range of main sequence stars?
What is about 5,000 to 50,000 degrees Celsius?
What type of giant star forms when a medium-sized star sheds its outer layers?
What is a planetary nebula?
What are the two main types of supernovae?
What are Type I and Type II supernovae?
What phenomenon occurs at the event horizon of a black hole?
What is time dilation?
What is the name of the stage when a protostar begins nuclear fusion?
What is the main sequence?
What is the primary energy source for a star during the main sequence?
What is nuclear fusion?
What is the remnant left behind after a giant star sheds its outer layers?
What is a white dwarf?
What is the result of a Type II supernova?
What is the core collapses into a neutron star or black hole?
What is the theoretical point of infinite density at the center of a black hole?
What is the singularity?
What is the name of the process by which a star's core contracts and heats up during formation?
What is gravitational contraction?
What happens to the core of a high-mass star after the main sequence?
What is it undergoes further nuclear fusion, leading to the formation of heavier elements?
What is the name for a star that has exhausted its nuclear fuel and collapses?
What is a white dwarf?
What is the phenomenon observed when a supernova explosion leaves behind a neutron star or black hole?
What is a supernova remnant?
What is the term for the theoretical boundary surrounding a black hole where the gravitational pull is strong enough to prevent even light from escaping?
What is the event horizon?