Stars
The dimmest group of stars on the H-R diagram.
What are white dwarfs?
True or false: Gravity disappears in vast empty parts of space.
What is false?
Evidence of our expanding universe.
What is redshift?
The shape of a planet's orbit
What is an ellipse?
The process in which stars produce their energy.
What is nuclear fusion?
The relationship between mass and gravity.
What is direct?
Contains billions of stars.
What is a galaxy?
A planet low in density.
What is Jupiter/Saturn/Uranus/Neptune?
What a star's life cycle depends on.
The mass of the star.
The relationship between distance and gravity.
What is indirect?
Planets ____ stars, and moons ____ planets.
What is orbit?
The nickname given to Earth for being in the habitable zone.
What is a "Goldilocks Planet"?
The next stage of life for our average sized Sun.
What is a red giant?
The two ways to increase the force of gravity.
What is increase mass and decrease distance.
The age of our Universe.
about 4.6 billion years old
What are the terrestrial planets?
In the life cycle of massive stars, the less massive will die as this type.
What is a Neutron Star?
The month that Earth experiences its highest orbital velocity.
What is January?
The name of the Galaxy that is closest to us.
What is the Andromeda Galaxy?
The 3 criteria needed to be classified as a planet.
What are round, clears its orbit, and orbits a star.