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Lisa Maree
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Lisa Maree

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Earth's Location in the Universe

Earth → Solar System → Local Interstellar Cloud → Milky Way Galaxy → Local Group → Virgo Supercluster → Pisces-Cetus Supercluster Complex → Observable Universe → Universe


Earth - 12,700 km in diameter - Our planet

Solar System - 4 light-years across - Our home planetary system. At this point, the Sun's gravity gives way to that of surrounding stars

Local Interstellar Cloud - 30 light-years across - Interstellar cloud of gas through which the Sun and a number of other stars are currently travelling

Milky Way Galaxy - 100,000 light-years across - Our home galaxy, composed of 200 billion to 400 billion stars and filled with the interstellar medium

Local Group - 3 megaparsecs across - Group of at least 47 galaxies. Dominated by Andromeda (the largest), The Milky Way and Triangulum; the remainder are small dwarf galaxies

Virgo Supercluster - 33 megaparsecs across - The supercluster of which our Local Group is a part; comprises roughly 100 galaxy groups and clusters

Pisces-Cetus Supercluster Complex - 300 megaparsecs across - The galaxy filament of which the Virgo Supercluster is a part

Observable Universe - 28,000 megaparsecs across - The large-scale structure of the universe consists of more than 100 billion galaxies, arranged in millions of superclusters, galactic filaments, and voids, creating a foam-like superstructure

Universe - Minimum of 28,000 megaparsecs - Beyond the observable universe lies the unobservable regions where no light from those regions has reached the Earth yet. No information is available about the region, as light is the fastest travelling medium of information. However, since there is no reason to suppose different natural laws, the universe is likely to contain more galaxies in the same foam-like superstructure



http://en.wikipedia.org/wiki/Earth
http://en.wikipedia.org/wiki/Solar_System
http://en.wikipedia.org/wiki/Local_Interstellar_Cloud
http://en.wikipedia.org/wiki/Milky_Way_Galaxy
http://en.wikipedia.org/wiki/Local_Group
http://en.wikipedia.org/wiki/Virgo_Supercluster
http://en.wikipedia.org/wiki/Pisces-Cetus_Supercluster_Complex
http://en.wikipedia.org/wiki/Observable_universe
http://en.wikipedia.org/wiki/Universe
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Lisa Maree

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A cruise marking the 100th anniversary of the sinking of Titanic will leave Southampton later with 1,309 passengers - the same number that were on Titanic. They include relatives of those who died in the tragedy.
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Lisa Maree

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Polar Bears And Dogs Playing!
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Hey Lisa.
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Hardships beared by parents for their child are always beyond imagination :)
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Good one!
 
Nice one guys.
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Lisa Maree

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Confucius say cat who run up slide get nowhere fast........
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good exercise wont find this on fat book oops face book ha ha!!
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Have her in circles
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Lisa Maree

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you doggy in your life i guess? poor old leo !!
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