characteristics of stars/sun
kinds of stars
Constellations
Star Groups
Other Space Objects
100
the brightness of a star
What is magnitude?
100
a star that regularly or repeatedly changes in brightness
What is a variable star?
100
A group of stars that appear to form a picture or pattern in the sky
What is a constellation?
100
A small star group of three or four stars
What are multiple star groups?
100
Irregularly shaped pieces of rock, metal, and dust
What is an asteroid?
200
a star's actual brightness
What is absolute magnitude?
200
a star that suddenly flares and becomes hundreds or thousands of times brighter than normal
What is a nova?
200
A star that sits over the North Pole
What is the North Star?
200
A large group of stars close enough to be held together by gravity
What is a star cluster?
200
A rocky object in space that is smaller than an asteroid
What is a meteoroid?
300
a scale that classifies a stars magnitude
What is hipparchus's scale?
300
an area of extreme gravitational force that may result from the collapse of a massive super giant
What is a black hole
300
Deals with the scientific study of the stars and heavenly objects
What is astronomy?
300
A huge star system that contains millions, or even billions, of stars and covers many light years
What is a galaxy?
300
An icy chunk of frozen gases, water, and dust
What is a comet?
400
a way of measuring the distance of stars by observing their apparent movement in relation to other stars
What is parallax?
400
a cloud of interstellar gases and debris
What is a nebula
400
A device that breaks down light into all it's colors; similar to a prism
What is a spectroscope?
400
more than thirty galaxies including the milky way that form a cluster
What is a local group
400
A rocky object in the earth's atmosphere that is smaller than a asteroid
What is meteor?
500
the 2nd closest star to the earth
What is proxima centauri?
500
the brightest nova in recent history
What is nova cygni?
500
Constellations that revolve around the North Star
What are the circumpolar constellations?
500
One of the most famous open star clusters
What is the Pleiades?
500
The middle part of a comet
What is the Nucleus?
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