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#1
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Missing baryonic matter around Milky Way found
Hot gas surrounding the Milky Way and the LMC & SMC galaxies found.
Estimated to be around 10-60 billion solar masses, going out 300,000LY or even more. Still not enough mass to account for the Dark Matter problem, but taking out a sizable chunk of it from our requirements. 10 billion solar masses is about the size of the LMC itself, so there's enough mass out there to make another LMC to another 6 LMC's. Astronomers Discover Milky Way’s Hot Halo http://www.universetoday.com/97535/a...ways-hot-halo/ |
#2
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"Dark Matter" is just UNSEEN MASS. 
PRE
Thanks, Yousuf⋅Khan, another great post. Even my newsgroup stats like you; see A hRef="http://Jeff-Relf.Me/Phy_R².TXT"Sci.Physics Redux/A. Quoting A hRef="http://www.redorbit.com/news/space/1112699940/milky-way-chandra-halo-missing-baryons-092412/"a recent article/A: « Scientists estimated that the mass of [ the new found halo ] is comparable to the mass of all the stars in the galaxy. » Quoting A hRef="http://Jeff-Relf.Me/"my website/A: "Dark Matter" is UNSEEN MASS, "Dark Energy" is EXERGY DEPLETION, and the start of the Big Bang is just the cosmic horizon. |
#3
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Missing baryonic matter around Milky Way found
On a sunny day (Tue, 25 Sep 2012 00:00:27 -0400) it happened Yousuf Khan
wrote in : Hot gas surrounding the Milky Way and the LMC & SMC galaxies found. Estimated to be around 10-60 billion solar masses, going out 300,000LY or even more. Still not enough mass to account for the Dark Matter problem, but taking out a sizable chunk of it from our requirements. 10 billion solar masses is about the size of the LMC itself, so there's enough mass out there to make another LMC to another 6 LMC's. Astronomers Discover Milky Way’s Hot Halo http://www.universetoday.com/97535/a...ways-hot-halo/ I wonder if that make an Alcubiere warp drive more feasable between galaxies. http://en.wikipedia.org/wiki/Alcubierre_drive |
#4
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Missing baryonic matter around Milky Way found
On a sunny day (Tue, 25 Sep 2012 00:00:27 -0400) it happened Yousuf Khan
wrote in : Astronomers Discover Milky Way’s Hot Halo http://www.universetoday.com/97535/a...ways-hot-halo/ I wrote: I wonder if that make an Alcubiere warp drive more feasable between galaxies. http://en.wikipedia.org/wiki/Alcubierre_drive Actually I ment a Bussart ramjet, it needs matter. http://en.wikipedia.org/wiki/Bussard_ramjet |
#5
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Missing baryonic matter around Milky Way found
On 26/09/2012 9:13 AM, Jan Panteltje wrote:
On a sunny day (Tue, 25 Sep 2012 00:00:27 -0400) it happened Yousuf Khan wrote : Hot gas surrounding the Milky Way and the LMC& SMC galaxies found. Estimated to be around 10-60 billion solar masses, going out 300,000LY or even more. Still not enough mass to account for the Dark Matter problem, but taking out a sizable chunk of it from our requirements. 10 billion solar masses is about the size of the LMC itself, so there's enough mass out there to make another LMC to another 6 LMC's. Astronomers Discover Milky Way’s Hot Halo http://www.universetoday.com/97535/a...ways-hot-halo/ I wonder if that make an Alcubiere warp drive more feasable between galaxies. http://en.wikipedia.org/wiki/Alcubierre_drive What's one got to do with the other? Yousuf Khan |
#6
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Missing baryonic matter around Milky Way found
On 26/09/2012 9:17 AM, Jan Panteltje wrote:
On a sunny day (Tue, 25 Sep 2012 00:00:27 -0400) it happened Yousuf Khan wrote : Astronomers Discover Milky Way’s Hot Halo http://www.universetoday.com/97535/a...ways-hot-halo/ I wrote: I wonder if that make an Alcubiere warp drive more feasable between galaxies. http://en.wikipedia.org/wiki/Alcubierre_drive Actually I ment a Bussart ramjet, it needs matter. http://en.wikipedia.org/wiki/Bussard_ramjet Even with 60 billion Suns worth of mass it's still an incredibly sparse medium. Yousuf Khan |
#7
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Missing baryonic matter around Milky Way found
On a sunny day (Wed, 26 Sep 2012 11:19:54 -0400) it happened Yousuf Khan
wrote in : On 26/09/2012 9:17 AM, Jan Panteltje wrote: On a sunny day (Tue, 25 Sep 2012 00:00:27 -0400) it happened Yousuf Khan wrote : Astronomers Discover Milky Way’s Hot Halo http://www.universetoday.com/97535/a...ways-hot-halo/ I wrote: I wonder if that make an Alcubiere warp drive more feasable between galaxies. http://en.wikipedia.org/wiki/Alcubierre_drive Actually I ment a Bussart ramjet, it needs matter. http://en.wikipedia.org/wiki/Bussard_ramjet Even with 60 billion Suns worth of mass it's still an incredibly sparse medium. Yousuf Khan But it may affect the calculations that prove it not feasible. Somebody should do the numbers. NASA? |
#8
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Missing baryonic matter around Milky Way found
On Wednesday, September 26, 2012 8:35:05 AM UTC-7, Jan Panteltje wrote:
.... But it may affect the calculations that prove it not feasible. Somebody should do the numbers. At 0.1c or higher, collision speed is high enough to make our ship and then ourselves radioactive. At less than 0.1c, it takes too long to get anywhere. Jamming through space is not the way to get anywhere further than planets. So a Bussard ramjet is not a solution to interstellar or intergalactic travel as propulsion. David A. Smith |
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