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29 terms

6th grade astronomy review

STUDY
PLAY
astrology
the study of stars to predict the future
astronomy
the study of stars and heavenly bodies to learn more about them
planetarium
a domed theater with a projector for studying fake stars and heavenly bodies
observatory
a domed building with a telescope for studying real stars and heavenly bodies
radio telescope
a telescope that picks up sound waves from very distant stars
sun
the nearest star
alpha centauri
the nearest star outside of our solar system
sirius
the bright star in the night sky
light year
how far light can travel in one is year is called
93,000,000 miles
how far away is our sun
6,000,000,000,000 miles
what is one light year equal to
cepheid
a star that changes from bright to dim in a pattern
super nova
a star that suddenly gets very bright and explodes
double stars
two stars that orbit each other and look like one
thermocouple
an instrument used to find out the temperature of a star
red
what color are the coolest stars
blue-white
what color are the hottest stars
11,000 F
What is the temperature of yellow stars
oldest stars
what kind of stars are red
youngest stars
what kind of stars are blue-white
spectroscope
an instrument with a prism used to find out what elements are in a star
star
a hugh ball of glowing gas
5
how many different sizes of stars are there
you can see more and it looks brighter
what are two reasons why its better to use a telescope for studying stars
medium, dwarf, giant, neutron star, super giant
what are the 5 sizes of stars
blue-white, yellow, red, orange
what are the 4 colors of stars
age and surface structure
what are the two things that determine the color of a star
nova
when a str suddenly gets a thousand times brighter than before
super nova
a star that gets very bright then explodes