Shared Flashcard Set

Details

Ch 21.1-2 DC
Ch 21.1-2 DC
14
Science
8th Grade
03/02/2013

Additional Science Flashcards

 


 

Cards

Term
Constellations
Definition
Patterns of the stars in the sky
Term
galaxy
Definition
a cluster of billions stars
Term
The Milky Way
Definition
a Galaxy with billions of stars.
Term
Universe
Definition
everything in space.
Term
Light-years
Definition
how we measure things in space, it is the distance that light travels within one year
Term
Parallax
Definition
the change in position of an object when you look from different places.
Term
supergiant stars
Definition
Very large stars.
Term
white dwarfs stars
Definition
Stars that are about the size of earth.
Term
neutrons
Definition
stars that are smaller than earth.
Term
Brightness
Definition
the amount of light that a star gives.
Term
The photosphere
Definition
the layer of the star that gives off light.
Term
Apparent Magnitude
Definition
brightness of a star as seen from earth.
Term
Absolute Magnitude
Definition
a star’s brightness if it were at a standard distance from earth.
Term
Hertzsprung-Russel Diagram
Definition
a plot of luminosity (absolute magnitude)that forms a diagonal band.
Supporting users have an ad free experience!