The big bang therory Flashcards
the Big Bang theory says
the universe started form point and is still expanding
The Big Bang theory is an explanation of the start of the
universe
a theory and law are the same thing
false
which is larger galaxy, planet, universe?
universe
our solar system is part of what galaxy?
Milky Way
light waves and sound waves are affected the same way when am object moves
true
if light is moving toward you it will show a shift, moving away a shift
blue red
the Doppler afrect causs light to change and sound to change
color pitch
when an object is not moving the waves
stay the same
a piece of evidence for the Big Bang theory is
red shift of star light
the red shift of star light shows the universe is
expanding
thirst three stages of a stars life in order are
nebula, protostar, and main sequence
our sun is currently in what stage?
main sequence star
a constellation is what
a group of stars that make up an image in the sky
what are the seven stages in order of a low mass star
nebula, protostar, main sequence star, red giant, planarty nebula, white dwarf. black dwarf
