Local Group

Local Group. Article #28. Vol 7, pg 431.

The term “local” is clearly relative.  In the context of the astronomical term “local group”, the term “local” doesn’t refer to your neighborhood, your city, country, or even your own solar system.  “Local group” refers to a group of about 20 galaxies that hang out together, with the group including our Milky Way galaxy at one end of the neighborhood and the galaxy Andromeda at the other end, a scant 2,000,000 light years from us.

In case you’re curious, that’s 11,756,999,620,000,000,000 statute miles, or just a shade under 12 quintillion miles.  If you left today for Andromeda, driving a 2013 Ford Shelby GT500, which has a top track speed of around 200 mph, it would take you just 6,706,168,408,852 years (6.7 trillion) to get to the neighbors’ place.

0028-LocalGroup-FinalThat’s a hell of a road trip.  You’d really want a good mix tape.

“Local Group.” Encyclopedia Britannica. 15th ed. 2010. Vol 7, pg 431.

About Sean

Software developer in the Twin Cities area, passionate about software development and sailing.
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1 Response to Local Group

  1. roberta4949 says:

    wow the distances are just to hard to comprehend, I seen a video of how our sun is moving through space dragging us along at incredible speeds, I just cant imagine going 132 miles per second. when I look up at the stars at night it is hard for me ot believe we are moving that fast. it is amazing. I see why some people are fasinated by astromony.

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