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galaxy that is pinwheel shaped with a thin disk with long arms; gas and dust rotate around the central hub of the galaxy
Use up their fuel faster than sun-sized stars; go on to become a super red giant, then explode in a supernova then collapse into a neutron star
Use up their fuel even faster than huge stars; go on to become a super red giant, then explode in a supernova then collapse into a black hole
a huge system of planets, stars, dust, and gas held together by gravity http://farm3.staticflickr.com/2648/3927825968_de6316b2f4.jpg
a cloud of gas and dust in which stars may form http://farm5.staticflickr.com/4147/5014452663_484e24d999.jpg
the partial or total blocking of one object in space by another http://farm6.staticflickr.com/5284/5279935720_41a61f0d3d.jpg
a sudden eruption of intense high-energy radiation from the sun's surface http://farm5.staticflickr.com/4153/4974263471_4dbfd9f78b.jpg
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