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I Know it must have been asked many times, but I cant find the FAQ or info
on this. There us a great mass of stars at the center of our galaxy, and we cant see them, though we can see whol galaxies many light years away from us. How come? Maybe the black hole has already gobbled them up and is on its way for us, is one explanation, but I'd like others more clued up ;-) toad |
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![]() "to@d" to@d© wrote in message ... There us a great mass of stars at the center of our galaxy, and we cant see them, though we can see whol galaxies many light years away from us. How come? http://homepages.win.co.nz/creation/milkywaycentre.html http://www.star.le.ac.uk/edu/mway/ It's best seen from the Southern Hemisphere. Regards Chris |
#3
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Many thanks, knew there would be a good reason.
ends a long disscussion at work where many weird and wonderful theories have been put forward. None worth printing here ;-) toad "Chris Taylor" wrote in message ... "to@d" to@d© wrote in message ... There us a great mass of stars at the center of our galaxy, and we cant see them, though we can see whol galaxies many light years away from us. How come? http://homepages.win.co.nz/creation/milkywaycentre.html http://www.star.le.ac.uk/edu/mway/ It's best seen from the Southern Hemisphere. Regards Chris |
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"to@d" to@d© wrote:
I Know it must have been asked many times, but I cant find the FAQ or info on this. There us a great mass of stars at the center of our galaxy, and we cant see them, though we can see whol galaxies many light years away from us. How come? We can, as Chris's links point out. It's perhaps not as bright and concentrated as you may expect as we're pretty close (in inter-galactic terms) so the core is fairly spread out from our perspective. Being in the plane of the galaxy means there's a fair bit of gas and dust between us and the centre of the galaxy too. Tim -- Don't tell me I'm still on that feckin' island! |
#5
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![]() "to@d" to@d© wrote in message ... I Know it must have been asked many times, but I cant find the FAQ or info on this. There us a great mass of stars at the center of our galaxy, and we cant see them, though we can see whol galaxies many light years away from us. How come? Maybe the black hole has already gobbled them up and is on its way for us, is one explanation, but I'd like others more clued up ;-) We can't see the very centre of the Galaxy in visible light because there is a lot of interstellar dust in the way (I seem to recall that the absorption is around 19 magnitudes in V). Images that you have seen in magazines were made using infrared, radio, or X-ray imaging, which are absorbed less by dust. There are "breaks in the clouds" allowing us to see stars in the galactic bulge. The break nearest the direction of Sagittarius A is called "Baade's Window." -- Mike Dworetsky (Remove "pants" spamblock to send e-mail) |
#6
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That direction is best seen down south, but we still can't see it as there
is too much dust in the way. Longer (non-visible) wavelengths can penetrate the dust and allow us to "see" it with radio wavelengths etc. Clear Skies Chuck Taylor Do you observe the moon? Try http://groups.yahoo.com/group/lunar-observing/ Are you interested in understanding optics? Try http://groups.yahoo.com/group/ATM_Optics_Software/ To reply, remove Delete and change period com to period net ************************************************** ************ "Chris Taylor" wrote in message ... "to@d" to@d© wrote in message ... There us a great mass of stars at the center of our galaxy, and we cant see them, though we can see whol galaxies many light years away from us. How come? http://homepages.win.co.nz/creation/milkywaycentre.html http://www.star.le.ac.uk/edu/mway/ It's best seen from the Southern Hemisphere. Regards Chris |
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