Life Of Sun Flashcards
1
Q
Describe the life cycle, from birth to death, of a star that is similar in mass to our Sun.
You may draw labelled diagrams to help with your answer.
A
Life cycle of a star similar of mass similar to that of our sun a. Nebula / stellar nursery • clouds of dust and gas • pulled together or collapsed by gravitational forces b.Our sun/main Sequence stable state hydrogen being converted to helium, nuclear fusion huge amounts of heat and light produced continues for many millions of years C) Red giant hydrogen runs out star expands star gets colder uses up all its helium outward forces decrease d. white dwarf • eventually collapses • due to own gravity • becomes much smaller and very dense e. Sequence • Nebula / stellar nursery • (Protostar) • Star (main sequence) • Red Giant • White Dwarf • (Black Dwarf)
