Properties of Stars
Our sun is this color.
What is yellow?
When a star runs out of hydrogen and begins to die it turns into this.
What is a red giant or red supergiant?
This type of galaxy is oval shaped.
What is an elliptical galaxy?
All stars and solar systems form from this.
What is a nebula?
The milky way is classified as this type of galaxy.
What is a barred spiral galaxy?
This aspect of a star tells us what temperature it is.
What is its color?
These kinds of stars have the shortest life spans.
What are larger stars?
This type of galaxy does not have a definitive shape.
What is an irregular galaxy?
The sun is located here in the milky way galaxy.
What is on an outer arm?
A galaxy rotates around this celestial object located at its center.
What is a black hole?
List the four different star sizes in order from smallest to biggest.
What is dwarf, main sequence, giant, and supergiant?
An average-sized star is considered this once it is completely dead and no longer giving off any energy at all.
What is a black dwarf?
This type of galaxy contains older stars in the center and newer stars on its arms.
What is a spiral galaxy?
This celestial object contains millions, billions, or trillions of stars and their solar systems all held together by gravity.
What is a galaxy?
Area x Energy =
What is luminosity?
This aspect of a star depends on its distance from Earth.
What is apparent brightness or magnitude?
When a large mass star dies, it eventually becomes a black hole or neutron star, but not before exploding into this.
What is a supernova?
This specific galaxy measures 100,000 light years across.
What is the milky way galaxy?
These two elements make up a star.
What is hydrogen and helium?
A light year is this distance.
What is 6 trillion miles?
A star's absolute brightness is measured from this standardized distance.
What is 10 parsecs or 32.6 light years?
When an average-sized dying star begins to shed its layers it is considered this.
What is a planetary nebula?
Galaxies are slowly moving away from each other due to this.
What is the expansion of the universe?
This component of the universe is larger than a star but smaller than a nebula.
What is a solar system?
This entity consists of everything in existence.
What is the universe?