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Magellanic Clouds question
I'm working on an illustration of the Milky Galaxy seen from some
considerable distance away. I have the relative positions of the LMC and SMC, but I need to know what their orbits are relative to the plane of the galaxy. That is, how much are their orbits tipped to the plane? Thanks in advance, RM |
#2
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"Ron Miller" wrote in message ... I'm working on an illustration of the Milky Galaxy seen from some considerable distance away. I have the relative positions of the LMC and SMC, but I need to know what their orbits are relative to the plane of the galaxy. That is, how much are their orbits tipped to the plane? Thanks in advance, RM I think I may have answered my own question. If I know that the orbit of the two clouds is nearly circular and more or less centered on the center of the Milky Way, and I know what the position of the clouds is in relation to the galaxy, then I know how much the orbit is tilted... Right? RM |
#3
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"Ron Miller" wrote in message ... I'm working on an illustration of the Milky Galaxy seen from some considerable distance away. I have the relative positions of the LMC and SMC, but I need to know what their orbits are relative to the plane of the galaxy. That is, how much are their orbits tipped to the plane? Thanks in advance, RM I think I may have answered my own question. If I know that the orbit of the two clouds is nearly circular and more or less centered on the center of the Milky Way, and I know what the position of the clouds is in relation to the galaxy, then I know how much the orbit is tilted... Right? RM |
#4
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"Ron Miller" wrote in message
... "Ron Miller" wrote in message ... I'm working on an illustration of the Milky Galaxy seen from some considerable distance away. I have the relative positions of the LMC and SMC, but I need to know what their orbits are relative to the plane of the galaxy. That is, how much are their orbits tipped to the plane? Thanks in advance, RM I think I may have answered my own question. If I know that the orbit of the two clouds is nearly circular and more or less centered on the center of the Milky Way, and I know what the position of the clouds is in relation to the galaxy, then I know how much the orbit is tilted... Right? You have a radius but not a velocity (direction). You're still missing some information for determining the orbital plane. |
#5
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"Ron Miller" wrote in message
... "Ron Miller" wrote in message ... I'm working on an illustration of the Milky Galaxy seen from some considerable distance away. I have the relative positions of the LMC and SMC, but I need to know what their orbits are relative to the plane of the galaxy. That is, how much are their orbits tipped to the plane? Thanks in advance, RM I think I may have answered my own question. If I know that the orbit of the two clouds is nearly circular and more or less centered on the center of the Milky Way, and I know what the position of the clouds is in relation to the galaxy, then I know how much the orbit is tilted... Right? You have a radius but not a velocity (direction). You're still missing some information for determining the orbital plane. |
#6
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Yes, if they were circular. But I think you'll find that their orbits are
constantly evolving due to gravitational interactions. Eventually, they'll merge with the Milky Way. I was unable to quickly locate a good chart or animation illustrating this though. "Ron Miller" wrote in message ... "Ron Miller" wrote in message ... I'm working on an illustration of the Milky Galaxy seen from some considerable distance away. I have the relative positions of the LMC and SMC, but I need to know what their orbits are relative to the plane of the galaxy. That is, how much are their orbits tipped to the plane? Thanks in advance, RM I think I may have answered my own question. If I know that the orbit of the two clouds is nearly circular and more or less centered on the center of the Milky Way, and I know what the position of the clouds is in relation to the galaxy, then I know how much the orbit is tilted... Right? RM |
#7
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Yes, if they were circular. But I think you'll find that their orbits are
constantly evolving due to gravitational interactions. Eventually, they'll merge with the Milky Way. I was unable to quickly locate a good chart or animation illustrating this though. "Ron Miller" wrote in message ... "Ron Miller" wrote in message ... I'm working on an illustration of the Milky Galaxy seen from some considerable distance away. I have the relative positions of the LMC and SMC, but I need to know what their orbits are relative to the plane of the galaxy. That is, how much are their orbits tipped to the plane? Thanks in advance, RM I think I may have answered my own question. If I know that the orbit of the two clouds is nearly circular and more or less centered on the center of the Milky Way, and I know what the position of the clouds is in relation to the galaxy, then I know how much the orbit is tilted... Right? RM |
#8
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I love the SMC and LMC. I wonder why they are not shaped like the classic
image of a galaxy? They are literally cloud shaped and not round and spiraled. Does anyone out there think the Milky Way might someday absorb them? Are they close enough? Our first proof of intelligent life will come from the SMC by the way. Phyloe "Ron Miller" wrote in message ... "Ron Miller" wrote in message ... I'm working on an illustration of the Milky Galaxy seen from some considerable distance away. I have the relative positions of the LMC and SMC, but I need to know what their orbits are relative to the plane of the galaxy. That is, how much are their orbits tipped to the plane? Thanks in advance, RM I think I may have answered my own question. If I know that the orbit of the two clouds is nearly circular and more or less centered on the center of the Milky Way, and I know what the position of the clouds is in relation to the galaxy, then I know how much the orbit is tilted... Right? RM |
#9
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I love the SMC and LMC. I wonder why they are not shaped like the classic
image of a galaxy? They are literally cloud shaped and not round and spiraled. Does anyone out there think the Milky Way might someday absorb them? Are they close enough? Our first proof of intelligent life will come from the SMC by the way. Phyloe "Ron Miller" wrote in message ... "Ron Miller" wrote in message ... I'm working on an illustration of the Milky Galaxy seen from some considerable distance away. I have the relative positions of the LMC and SMC, but I need to know what their orbits are relative to the plane of the galaxy. That is, how much are their orbits tipped to the plane? Thanks in advance, RM I think I may have answered my own question. If I know that the orbit of the two clouds is nearly circular and more or less centered on the center of the Milky Way, and I know what the position of the clouds is in relation to the galaxy, then I know how much the orbit is tilted... Right? RM |
#10
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This site has some interesting information about the chaotic nature of the
Local Group's history, but it primarily concentrates on the major members. http://www.seds.org/messier/more/lg-dyn.html "Bill Nunnelee" wrote in message link.net... Yes, if they were circular. But I think you'll find that their orbits are constantly evolving due to gravitational interactions. Eventually, they'll merge with the Milky Way. I was unable to quickly locate a good chart or animation illustrating this though. "Ron Miller" wrote in message ... "Ron Miller" wrote in message ... I'm working on an illustration of the Milky Galaxy seen from some considerable distance away. I have the relative positions of the LMC and SMC, but I need to know what their orbits are relative to the plane of the galaxy. That is, how much are their orbits tipped to the plane? Thanks in advance, RM I think I may have answered my own question. If I know that the orbit of the two clouds is nearly circular and more or less centered on the center of the Milky Way, and I know what the position of the clouds is in relation to the galaxy, then I know how much the orbit is tilted... Right? RM |
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