Term
patterns of stars in the night sky |
|
Definition
|
|
Term
the amount of light that a star actually gives off |
|
Definition
|
|
Term
the amount of light received on Earth |
|
Definition
|
|
Term
distance light travels in a year |
|
Definition
|
|
Term
innermost layer of the Sun's atmosphere |
|
Definition
|
|
Term
middle layer of the Sun's atmosphere |
|
Definition
|
|
Term
outermost layer of the Sun's atmosphere |
|
Definition
|
|
Term
where hydrogen fusion into helium occurs |
|
Definition
|
|
Term
dark, cooler areas of the Sun's surface |
|
Definition
|
|
Term
huge, arching columns of gas from the Sun's surface |
|
Definition
|
|
Term
gas eruptions that shoot out rapidly |
|
Definition
|
|
Term
|
Definition
|
|
Term
large cloud of gas and dust - start of a star |
|
Definition
|
|
Term
process by which stars get their energy |
|
Definition
hydrogen fusion into helium |
|
|
Term
a high-mass, main sequence star will eventually use up its fuel and turn into a ... |
|
Definition
|
|
Term
a low-mass, main sequence star will next turn into a ... |
|
Definition
|
|
Term
a red giant uses up its helium, loses its outer layers and turns into... |
|
Definition
|
|
Term
a red supergiant uses up its fuel, it collapses violently to form a... |
|
Definition
|
|
Term
a large red supergiant will eventually turn into a ... |
|
Definition
|
|
Term
a smaller red supergiant will eventually turn into a... |
|
Definition
|
|
Term
a star that is so dense that light cannot escape is a ... |
|
Definition
|
|
Term
a group of stars held together by gravity |
|
Definition
|
|
Term
the name of the galaxy that contains our solar system |
|
Definition
|
|
Term
the leading theory about the formation of our universe |
|
Definition
|
|
Term
according to this theory, 13.7 billion years ago the universe began with an enormous explosion |
|
Definition
|
|
Term
T/F Our star is a yellow, main sequence star. |
|
Definition
|
|
Term
T/F Sunspots are permanent features on the Sun. |
|
Definition
|
|
Term
T/F The Sun's light takes about 8 minutes to reach the Earth. |
|
Definition
|
|
Term
T/F The hottest stars are red in color. |
|
Definition
false - they are blue or white |
|
|