Types of Stars
What type of star is our sun?
Yellow Dwarf
Name two terrestrial planets.
Possible answers: Mercury, Venus, Earth, Mars.
Where does a star begin to form?
Are neutron stars black holes?
What keeps a star alive?
Fusion
What is the largest type of star?
Red Giant
Name two jovian planets
Possible answers: Jupiter, Saturn, Uranus, Neptun.
Do red stars live longer than blue stars?
Yes
What is a black hole?
A black hole is an extremely dense accumulation of mass. It is so dense that even light cannot escape.
What is fusion?
The combination of atoms at extremely high speeds within a star to release energy.
What stage of life is our sun in?
Main sequence (fusion is still occurring)
Which is the most commonly found element in Earth's atmosphere?
Nitrogen
What might happen to a red star at the end of its life?
It will exhaust its fuel and collapse to form a white dwarf.
What is the event horizon?
The point of no return
How large is Jupiter compared to Earth?
About 300 times larger
What is the most massive type of star?
Blue Stars
Which planet has the most CO2 (carbon dioxide) in its atmosphere?
Venus
How are black holes formed?
Black holes are formed when a blue star dies.
No
What are the three most abundant elements in the universe?
Hydrogen, Helium, and Oxygen
What is a Pulsar?
A rotating neutron star that emits electromagnetic waves
Why are Saturn's rings so bright?
They are composed mostly of ice, which refracts and reflects light.
What are the two types of Supernovae? How do they occur?
Supernova Type I occurs when a star in a binary system accumulates excessive mass and collapses. Supernova Type II occurs when an especially large star, usually O-type, collapses.
If you went close to the edge of a black hole, what would it look like from the view of someone farther away?
It would look as if time was slowing down for the person nearer the black hole.
An extremely bright supermassive black hole surrounded by space gas and debris.