Life Cycle of a Star Quest

Froggy Jumps

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Explore a star's life

LOPEZ , JOHN ACE GABRIEL

Philippines

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Life Cycle of a Star Quest


Froggy Jumps Life Cycle of a Star QuestVersion en ligne Explore a star's life par LOPEZ , JOHN ACE GABRIEL 1 What is the birth cloud of a star called in stellar nursery stages? a Galaxy b Nebula c Quasar 2 What fusion process marks the start of a star's main sequence phase in its core? a Silicate fusion in the core b Hydrogen fusion in the core c Helium fusion in the core 3 During which phase does a star steadily fuse hydrogen in its core? a Main sequence b Red giant c White dwarf 4 What phase does a Sun-like star enter after the main sequence? a Blue dwarf b White dwarf c Red giant 5 What is formed when a red giant sheds its outer layers and leaves the core? a Cosmic disk b Supernova remnant c Planetary nebula 6 For Sun-like stars, what is the final stellar remnant after the planetary nebula phase? a White dwarf b Black hole c Neutron star 7 What catastrophic event marks the end of life for massive stars? a Supernova b Nova c Gamma-ray burst 8 If the stellar remnant is under about 3 solar masses, what does it become after a supernova? a Black hole b Neutron star c White dwarf 9 After the main sequence, which fusion process begins in the core? a Helium burning b Hydrogen burning c Carbon burning 10 What triggers the formation of a protostar in a nebula? a Magnetic repulsion b Nuclear fission c Gravitational collapse