Stars
What are the two factors considered when measuring stars on the H-R diagram?
What temperature and brightness
What is the galaxy that we live in called?
What is the milky way
Sirius B is this class of star.
What is a B class star?
What happens inside a Nebula?
What is the time required for the Earth to orbit the sun once
What is a year
The term for what remains after an average mass star dies.
What is white dwarf star
What is a group of stars, dust, and gases held together by gravity?
what is a galaxy
Which star is closest to the sun in magnitude, luminosity, and temperature?
What is Alpha Centauri A
Which type of star will live the longest - Small, Medium, or Massive?
What is Small?
Roughly the amount of time required for the moon to orbit the Earth once
What is one month
What is the stage where a star expands 100’s to 1000’s the size of main-sequence star?
What is red giant/super giant phase
What type of galaxy is disk-shaped with arms extending from the center?
What is spiral galaxy
Which class of star will be consistently the hottest?
What is Type O?
A star will spend 90% of it's life in this phase.
How bright a star is (or appears to be from earth)
What is Apparent Magnitude
A cluster of stars form in a nebula. There are red, blue, yellow, and white stars. Which stars are most like the sun?
What is yellow
List the 4 different types of galaxies
What is spiral, elliptical, lenticular, and irregular
Which is hotter - a white dwarf or a supergiant?
Trick Question - they can both be equally hot.
When a very low mass star dies what does it become?
What is cold, black stars made of helium
Without ______, stars would not develop.
What is gravity
What could be formed as a result of a supernova?
What is a neutron star or black hole
What is the name of the spiral galaxy closest to us?
What is andromeda
An example of a Class A supergiant is this.
What is Deneb?
Describe the difference between the death of a Red Giant and a Red Supergiant.
Supernova vs Shedding outer layer
What are the 3 main parts of the H-R diagram?
What is main sequence line, white dwarfs, and giants