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Astronomy Vocabulary Word Scramble

 
 


 

 
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Question Answer
Theory that states that the universe began with a tremendous explosion about 15 billion years agoThe Big Bang Theory
All space and the matter that space containsUniverse
A large group of stars in spaceGalaxy
A flattened disk of stars with spiral arms and a central bulge that contains both young and old starsSpiral Galaxy
Massive groups of old stars that look like spheres or elongated oval shapes with bright centersElliptical Galaxy
Group of stars that have an irregular structure and do not fit into the other categoriesIrregular Galaxy
A large cloud of dust and gas in space where new stars are formedNebula
Huge bright ball of gas and dust in spaceStar
Where stars spend most of their active life fusing hydrogen to helium and form a diagonal pattern down the center of the H-R diagramMain Sequence Star
A star that expands and cools once it runs out of hydrogenRed Giant Star
A small hot star near the end of its life; the left over center of an old starWhite Dwarf
The next stage in a star's life cycle after a white dwarf when the star has 'burned out' and no longer shinesBlack Dwarf
The death of a star by a tremendous explosion which releases huge amounts of energySupernova
A star that forms after a supernova in which nearly all the particles have become neutronsNeutron Star
A spinning neutron star that emits rapid pulses of lightPulsar
#An object that forms after a supernova with gravity so strong that the escape veloxity is greater than the speed of lightBlack Hole
Hertzsprung-Russsel diagram; a graph that shows the relationship between a star's temperature and absolute magnitudeH-R Diagram
A starlike source of light that is extremely far away and one of the most powerful sources of energy in the universeQuasar
Groups of stars within galaxiesStar Cluster