space
what is space like?
no air, no friction, mostly black, unusual activities, extreme temperature
study of outer space and all that it contains
astronomy
hottest region on the sun
core
spiral arms attached to a straight bar that runs through a galaxy
barred spirals
measurement to describe the brightness of a star
apparent magnitude
star system containing millions to billions of stars
galaxy
brightest star in the night sky
Sirius
part of the sun visible only during a solar eclipse
corona or chromosphere
stars that outline a picture in the sky
constellation
the actual brightness of a star
absolute magnitude
40 galaxies in which we find earth
Local Group
pole star
Polaris
located 93 million miles away from earth
sun
familiar shape with within the constellation Ursa Major with contains the pointer stars
Big Dipper
streams of gas erupting from the chromosphere and returning in looplike fashion
solar prominence
high speed stream of particles that travels outward from holes in the sun's corona and beats upon the earth's upper atmosphere is the
solar wind
closest star to earth
the sun
sun's atmosphere closest to the sun
chromosphere
brightest star in Perseus
Algol
the actual explosion of a star
supernova
large clouds of gas and dust floating around in space
nebulae
pair of stars that travel together and rotate around each other as the moon does the earth
binary star
hottest region of the sun's atmosphere
corona
brightest star in the constellation Leo is
Regulus
three basic shapes of galaxy shapes
spiral, elliptical,irregular