Life Cycle of Stars
What are the final two stages of a medium mass star?
white dwarf - black dwarf
After a supernova, the core can collapse into a neutron star, or if massive enough even a ___________.
Black Hole
Place the following stages in the life of a low-mass star, like the sun, in order: A) Red giant; B) White dwarf; C) Main sequence star
C, A, B
A gigantic explosion that causes the death of a large star is called
supernova
When the core of a Red Supergiant collapses, a bright event known as a ___________ occurs.
supernova
Which is an accurate description of determining a stars life span?
the less mass of the star the longer the life span
As our sun continues through its life cycle, it will _________.
Gradually get larger until its outer layers drift off.
What fuel do stars use?
Hydrogen
Our sun is currently in what star stage?
Main Sequence
Why won't our sun ever become a black hole?
It is too small
Which stage do stars spend the majority of their lives in?
Main Sequence
All stars begin their life in a
Nebula
Which of the following list the correct order of the life cycle of massive stars?
Nebula --> protostar --> main sequence --> red supergiant --> supernova --> blackhole
Low-Mass Stars swell into a ...
Red Giant
When a massive star begins to cool and expand it is known as a _______________.
Red Supergiant
A relatively small, dense star at the end of its life cycle, which generates little or no energy and has contracted to its densest state.What stage in the life cycle does this describe?
White Dwarf
The core of a Red Giant collapses and becomes a ___________________.
White Dwarf
A black hole is an object so dense with so much gravity that even ________ cannot escape.
light
The life cycles of stars are determined by their:
mass (size)
What is the correct life cycle of a star like our Sun?
nebula, main sequence, red giant, planetary nebula, white dwarf, black dwarf
Stars are formed from big clouds of gas and dust is known as a ______.
nebulae
One possible outcome that is left after a supernova is a super dense core called a _____________.
neutron star
