Show:
Classifying Stars
Measuring Distances & Brightness of Stars
Life Cycle of a Star
Galaxies
Challenge
100
the 4 criteria scientists use to classify stars
What are size, brightness, color, and temperature?
100
the units that distance to the stars is measure in
What are light years?
100
clouds of gas and dust that provide the raw materials for stars
What are nebulas?
100
our galaxy
What is the Milky Way Galaxy?
100
the place where a star generates its energy
What is the center or core?
200
the way stars get energy
What is converting hydrogen to helium?
200
how bright a star appears to be
What is apparent magnitude?
200
an enormous explosion of a giant star
What is a supernova?
200
the type of galaxy we live in; has spreading arms
What is a spiral galaxy?
200
the quantities needed to find absolute magnitude
What are apparent magnitude and distance?
300
the characteristic of a star that is closely linked with its temperature
What is color?
300
the measure of how bright a star really is
What is absolute magnitude?
300
the very end of the life of a very massive star
What is a black hole?
300
the 3 types of galaxies
What are spiral, elliptical, and irregular?
300
the factor that determines how a star's life will end
What is mass?
400
the hottest color of star
What is blue?
400
the reason why a bright star may appear dimmer than a less bright star
What is distance?
400
an expanded star with cooling outer layers
What is a red giant?
400
the man who classified galaxies
Who is Edwin Hubble?
400
the life stage of a star where a spoonful of star would weigh a billion tons
What is a neutron star
500
the coolest color of star
What is red?
500
an apparent shift in position due to viewing an object from two different locations
What is parallax?
500
a dead star that is cool and completely dim
What is a black dwarf?
500
the universe is continually doing this
What is expanding?
500
the distance from our solar system to the center of the Milky Way Galaxy
What is 26,000 light years?