Definitions
What is a Nebula?
gases beginning to fuse and create a star
Gases that come together to create all stars
Our sun is in this stage of its lie
main sequence star
Is the sun a small to medium or high mass star
small to medium
What is a Supernova?
explosion of a red giant
When a protostar begins the process of nuclear fusion, it then turns into what kind of star?
Main sequence star
What element/gas are all stars mostly made of?
The blue or white core left behind from a planetary nebula is what
a white dwarf
What is a protostar?
earliest stage in a star's life-birth of a star
When a main sequence star starts to die, it either becomes a ______ or a ________ depending on the star's mass and size
Red giant or a supergiant
A star can become a red giant when this happens
It runs out of hydrogen
When a white dwarf runs out of fuel it will become what?
What is a black hole?
massive star that implodes and caves in on itself into a dense mass due to extreme gravity
A red giant becomes a __________, and a supergiant becomes a _____________
Planetary Nebula and Supernova
what we call a dead star if it is small to medium in size
The lifecycle of all stars can span over how many years
billions
What is a white dwarf?
a small to medium sized star near the end of its life cycle
A planetary nebula becomes a __________, followed by a __________.
White dward, black dwarf
True or False---a black hole is a massive hole where a star once was
False-it is not a hole, but a dense compacted mass after a star has imploded on itself
True or false, the gravitational pull from a black hole can pull in nearby stars and even other black holes
True