Life Cycle
The first phase in the life cycle of a star
What is a Nebula?
The light from the Sun takes this long to reach the Earth.
What is 8.5 minutes?
The current accepted age of the Universe.
What is 13.8 billion years?
The majority of stars lie in this section.
What is the Main Sequence?
This type of galaxy is defined by a lack of star formation.
What is an Elliptical Galaxy?
The phase that occurs after fusion ends in a Massive Star.
What is a Red Super Giant?
The average distance to the Sun.
What is 93 million miles?
This shift in the wavelength of observed light is still used as evidence for the Big Bang.
What is Red Shift?
This type of star is high temperature, low apparent magnitude, and can be found in the lower left corner of the HR Diagram.
What is a White Dwarf?
Typically the youngest type of galaxy, high star formation.
The phase of its life cycle that our Sun is in.
What is the Main Sequence?
The layer of the Sun that we can see.
What is the Photosphere?
The name of the leftover radiation from the Big Bang.
Red Supergiants located here on the HR diagram.
What is the top right?
The Milky Way is this type of Galaxy.
What is a Spiral Galaxy?
The final fate of the Sun.
What is a Black Dwarf?
This outermost layer of the Sun is surprisingly hot.
What is the Corona?
These elements were primarily formed in the first few minutes after the Big Bang.
What are Hydrogen, Helium, and Lithium?
The position of a star on the HR diagram tells us.
What is the stage of the life cycle it is in?
This type of galaxy is shaped like a football or sphere.
What is an Elliptical Galaxy?
The two final possibilities for a massive star.
What are Neutron Star and Black Hole?
This process is responsible for heating the Sun.
What is Nuclear fusion of Hydrogen?
He discovered the expansion of the universe in the 1920s.
Who is Edwin Hubble?
This property of a star is found on the vertical axis on the HR Diagram.
What is Absolute Magnitude?
What is Luminosity?
We are located here in the Milky Way.
What is the outer spiral arm?