The "Easy"
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True or False: Low mass stars experience supernova explosions at the end of their lives.
What is false?
Which phase shines as nuclear reactions inside produce light and heat. This includes the sun?
What is the star?
What are long-term causes?
Which phase of stars are defined by their large mass?
High mass stars
In this cycle, the production of elements such as carbon, oxygen, and iron becomes evident.
What are giant/supergiants
"How bright a star shines"
What is luminosity?
What were the first two elements to form the Universe?
Hydrogen and helium
How are stars classified?
By their mass
Which life cycle of stars are shared by both high and low mass stars?
What are main sequence stars?
The low mass star with 90% of solar mass.
It plots the temperature of stars against their luminosity
What is the Hertzsprung-Russell (HR) Diagram?
Which of the fundamental forces pulled together hot, dense areas of matter in the early Universe to begin the process of star formation?
What is gravity?
According to scientific evidence, about how many years ago did our universe begin to form?
13.8 billion years ago
This phase is the result of an explosion of a star and consists of ejected material from the explosion.
What is a supernova remnant?
Extremely dense objects that slowly cools over time is known as what?
What are white dwarfs?
Containing roman numerals between I - V.
What is the Morgan-Keenan (MK) luminosity class?
What do we call the period in a star’s life when it is fusing hydrogen into helium?
What is a main sequence?
Name the four claim testers.
Logic, evidence, intuition, authority
The phase of a star that has not yet reached the fusion stage is known as.
What is a protostar?
What is class D?
Which phase expands and glows as it cools, eventually blasting away its outer layers?
What is a red giant?
What are intermediate causes?
Which stars form from molecular clouds through the process of gravitational collapse?
What are high mass stars?
In the main sequence phase, how is hydrogen burned?