stars and constellation Flashcards
a massive ball of plasma that emits light through the universe
stars
the north star is called
Polaris
what is the closest star to the earth?
sun
whats is the brightest star on the Earth?
star
star brightness is called
magnitude
shine brighter than a small star
large star
shine brighter than a cool dtar
hot star
instrument used to determine the temperature of star
photometer
cooler star tends to be
redder
hotter star tends to habe
blue color
color of mid range temperature of star dtar
white and yellow
sun has a temperature of
5778k
astronomers measures a star temperature using
kelvin scale
cool stars are approximately
2.500k
an hot stars can reach
5000k
about the size of planet earth
white dwarf star
are enough to fill our solar system all the way to jupiter
red giant and super giant star
the light from the star moves in a
straight line
these were created to help our ancestors even astronomers to remember stars
constellation
seen in the Philippines during the monthly of april and may
gemini
indicates the coming of cold season
orion
based on international astronomical uninom, how may constellation is recognized?
88 constellation
as the earth rotates your position om earth changes relative to the stars
diurnal motion
gradually shift west due to the earths revolution
annual motion