characteristics of stars/the sun
kinds of stars
constellations/star gazing
star groups
other space objects
100
red is the coolest-blue is the hottes
What color is hottest and coolest for stars?
100
stars that regularly or repeatedly change in magnitude
What is a variable star?
100
this is patterns of stars and makes them easier to find
What is a constellation?
100
the smallest star group
What is binary system
100
irregularly shaped pieces of rock, metal, and dust
What are asteroids
200
temperature, the size, and the distance from the earth
the magnitude of a star depends on what?
200
this is one kind of variable star
What is pulsating or eclipsing variable star?
200
this constellation is also called Ursa Major or the Great Bear
What is the Big Dipper?
200
a large group of stars close enough to be held together by gravity
What is a star cluster?
200
a shooting star is actually one of these
What is a meteor?
300
70% hydrogen, 28% helium, and 2% other elements
What is the sun made of?
300
changes its absolute magnitude
What is a pulsating variable star?
300
these can be seen if you follow in a straight line from the two stars at the front of the Big Dipper's bowl
What is the north star?
300
this star appears to be one star but is actually two
What is beta lyrai?
300
meteors that impact Earth's surface
What is a meteorite?
400
+1 is dimmer than +6 and we made the scale bigger
What is hipparchus' scale?
400
this star changes its apparent magnitude
What is eclipsing variable star?
400
during the year the great and little bear and these two constellations revolve around the north star
What are Draco and Cassiopiea?
400
this is a group of 3-4 stars
What is a multiple star group?
400
the most famous short term comet
What is Halley's comet?
500
A greek who lived 130 years before the time of Christ, devised the system to classify stars by their brightness
Who is Hipparchus?
500
these variable stars come in pairs and orbit each other
What are eclipsing variable stars?
500
this star is the right eye of the constellation Taurus the Bull
What is Aldebron
500
this has millions or billions of stars
What is a galaxy ?
500
one of the largest asteroids
What is Vesta?