What Galaxy am I in?

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MacTexan49
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What Galaxy am I in?

Post by MacTexan49 » Wed May 29, 2013 5:07 pm

Just a general comment. It would be nice if in addition to telling us how many light years away these objects are but also whether or not they are within our Milky Way Galaxy. :) It adds perspective.
Thanks

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neufer
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Re: What Galaxy am I in?

Post by neufer » Wed May 29, 2013 5:23 pm

MacTexan49 wrote:
Just a general comment. It would be nice if in addition to telling us how many light years away these objects are but also whether or not they are within our Milky Way Galaxy. :) It adds perspective.
If the APOD does NOT mention another galaxy it will almost always be within our Milky Way Galaxy.

[Possible exception: http://apod.nasa.gov/apod/ap120710.html ]
Art Neuendorffer

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BMAONE23
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Re: What Galaxy am I in?

Post by BMAONE23 » Wed May 29, 2013 7:27 pm

http://www.atlasoftheuniverse.com/galaxy.html
The MW galaxy is about 100,000 ly accross. We sit approx 25,000 ly from one edge and so are 75,000 ly from the opposite edge. The Sagittarius Dwarf is the closest neighboring galaxy and sits 70,000 ly from earth. The next closest galaxies are the Dwarf Magellanic Clouds with the LMC being 163,000 ly away and the SMC being about 200,000 ly distant.
It is therefore likely safe to assume if the distance given is less than 70K ly it is in the MW galaxy