Star Beginnings
What is the giant cloud of gas and dust where stars form?
Nebula
Our sun is an example of what type of star?
Low-mass, medium star
High-mass stars grow into what type of giant in their later life?
Red Supergiant
What happens to a white dwarf over billions of years as it cools?
It becomes a black dwarf
Which will live longer: a low-mass star or a high-mass star?
Low-mass Star
A star first forms when gravity pulls gas together into a hot, glowing ball called a _______.
Protostar
Low-mass stars spend most of their life in which stage?
Main sequence
A massive explosion that occurs when a high-mass star dies is called a _________.
Supernova
Which remnant is left behind after a planetary nebula?
White dwarf
Which burns hotter and faster: low-mass star or high-mass star?
High-mass star
T or F
All stars begin the same way?
true
After becoming a red giant, what do low-mass stars eventually turn into?
White Dwarf
After a supernova, a very dense star made mostly of neutrons can form. What is that called?
Neutron Star
Which remnant is left behind after a supernova?
Neutron star or black hole
T or F
Our sun will one day become a black hole
False
What force pulls gas and dust together to form a star?
Gravity
What surrounds a white dwarf at the end of a low-mass star's life, glowing brightly for a short time?
Planetary Nebula
If a high-mass star is massive enough, instead of a neutron star, it can collapse into a _____.
Black Hole
T or F
A black hole lets no light escape
True
Put these in order for a high mass star: Red supergiant, Neutron star/black hole, protostar, supernova, main sequence
Protostar, main sequence, red supergiant, supernova, neutron star/black hole