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Mars
On a clear night, only a few hundred stars can be
seen without the use of any astronomical
instruments. The Milky Way Galaxy consists of at
least 200 billion stars. Stars are huge balls of hot
gases. The sun is a star, but it is not the largest
star; it is only the nearest star. A star has three
recognizable stages: its birth; the years in which it
exists; and its death. Its formation and its life
expectancy have captured the curiosity of
astronomers for centuries. Astronomers from the
past have devoted their entire lives to the studying
of the formation of stars. Gases make up 99
percent of the materials in the galaxy. These gases
in space gather together to form clouds of gas,
known as nebulae. Millions of years later, "the
temperature of the cloud climbs until it becomes
hot enough to radiate light. It is then no longer a
gas cloud; it is a star"[1] (Asimov 182). New stars
are formed when nuclear reactions occur in these
concentrated clouds of gas. Stars......

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Approximate Word Count: 386
Approximate Pages: 2 (250 words per double-spaced page)

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