Light & Waves
Classifying Stars
Stellar Evolution
Neutron Stars & Black Holes
Galaxies
100
This is defined as the number of waves that pass by an observer every second.
What is frequency?
100
This is the name given to the region of the H-R Diagram where stars spend most of their lives.
What is the main sequence?
100
This is the next stage our Sun will go through as it leaves the main sequence.
What is the red giant phase?
100
A neutron star is the mass of the Sun compressed into this volume.
What is the Earth?
100
This is how far our Solar System is from the center of the Milky Way.
What is roughly 2/3 of the way out?
200
This type of wave cannot travel through space.
What is sound?
200
This is the correct sequence of spectral classes from hottest to coldest.
What is O,B,A,F,G,K,M?
200
This is the dividing line between low and high mass stars.
What is 8 times the mass of our Sun?
200
This is how small the Earth would have to be shrunk to before it became a black hole.
What is 1 cm?
200
This would be the galaxy classification of an extremely elliptical galaxy.
What is E7?
300
This type of EM radiation has the shortest wavelength.
What is gamma radiation?
300
This is the size that would result from compressing all of the interstellar gas & dust in a volume the size of the Earth.
What is a pair of dice?
300
This is a major event that ALL high mass stars will go through
What is a type II (or core collapse) supernova?
300
This is the name given to the theroetical "surface" of a black hole.
What is the event horizon?
300
This is the galaxy clarification for the Milky Way.
What is barred spiral?
400
The doppler shift of a wave moving toward you is called this.
What is blueshifted?
400
This is the minimum core temperature needed for a star to begin a fusion reaction.
What is 10,000,000 K?
400
This is the name given to the theoretical final stage for a solitary low mass star
What is black dwarf?
400
This is why all pulsars are neutron stars, but not vice versa.
What is because not all pulsars are pointed toward us?
400
This spiral galaxy is on a collision course with the Milky Way.
What is the Andromeda?
500
These TWO types of EM radiation can pass completely through the Earth's atmosphere.
What is radio & visible?
500
This is where a red dwarf would be found on the H-R Diagram
What is the lower right hand corner?
500
This is the mass limit that separates nova from type 1a supernova
What is 1.3 solar masses?
500
This is the term coined to describe what would happen a person who fell into a black hole.
What is spaghettification?
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