Taurus Molecular Cloud 1
Encyclopedia
The Taurus molecular cloud 1 (often abbreviated TMC-1) is a giant molecular cloud
Molecular cloud
A molecular cloud, sometimes called a stellar nursery if star formation is occurring within, is a type of interstellar cloud whose density and size permits the formation of molecules, most commonly molecular hydrogen ....

 in the constellation
Constellation
In modern astronomy, a constellation is an internationally defined area of the celestial sphere. These areas are grouped around asterisms, patterns formed by prominent stars within apparent proximity to one another on Earth's night sky....

 of Taurus
Taurus (constellation)
Taurus is one of the constellations of the zodiac. Its name is a Latin word meaning 'bull', and its astrological symbol is a stylized bull's head:...

.

The cloud is notable for containing many complex molecules, including cyanopolyyne
Cyanopolyyne
A cyanopolyyne is an organic compound that contains a chain of one or more carbon-carbon triple bonds alternating with single bonds and ending with a cyanide functional group. The simplest example is cyanoacetylene, H−C≡C−C≡N....

s HCnN for n=3,5,7,9.

The Taurus Molecular Cloud is only 140pc
Parsec
The parsec is a unit of length used in astronomy. It is about 3.26 light-years, or just under 31 trillion kilometres ....

away from earth, making it the nearest large star formation region. It also reveals characteristics that make it ideal for detailed physical studies. it has been important in star study formations at all wavelengths.
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