Star Birth
A place where chemical reactions happen and stars are created.
What is nebula?
A solar system with 2 stars.
What is a binary star
A star's life cycle is determined by _____
What is mass?
It explodes into a supernova.
What happens to a supergiant star after it dies?
About 10 million years.
How long does a supergiant star’s life last?
two elements that make up main sequence stars
What is hydrogen and helium?
A solar system with 3 stars.
What is A trinary star?
twice as massive as the sun but would last less than half as long as the sun
What is a main-sequence star?
The star dies and either becomes a supernova if it is a supergiant star
What happens when a star runs out of fuel?
About 10 billion years.
How long does a giant star’s life last?
Stars are born when other stars _______.
What happens when a star dies?
The brightest star we know.
What is Sirius?
High-mass stars become red supergiants, and then evolve to become blue supergiants.
What happens when a high mass star leaves the main sequence?
White Dwarf, Neutrons Star, and Black Hole
What are the three end stages of star?
A ring-shaped nebula formed by an expanding shell of gas around a old star.
What is a planetary nebula?
Vast clouds of dust that veil a stars creation.
What is nebula?
The largest star we know.
What is vy canis majoris?
The greater the mass of a main sequence star, the greater its effective temperature.
How does an increase in mass affect a main sequence star's brightness?
After a supernova a star because millions of times denser then a white dwarf, and becomes this.
What is a neutron star
Appears directly overhead when standing at one of Earth's poles.
What is Polaris the North star?
When a star is starting to form, but it hasn't gone through nuclear fusion yet.
What is a protostar?
Closest star to our sun.
What is Alpha Centauri?
A star with less mass lives longer than a star with more mass.
A star with less mass lives longer than a star with more mass.
A dead Red giant that lost its fuel but still looks illuminated to our point of view.
What is a white dwarf?
They are both about the same size, and they both are about the size of Earth.
About how big are white and black dwarfs?