There is far more "invisible" than visible in our Universe. What humans can perceive in the visible spectrum is ridiculous, we are blinder than
bats.
WISE makes startling "Brown Dwarf" discovery, page 1
Topic started on 9-6-2012 @ 09:13 AM by DJW001
Scientists using the Wide-Field Infrared Survey Explorer (WISE) have made an interesting discovery. It was belied that there would be many bodies in
space intermediate in size between planets and stars; they would be massive enough to produce heat, but not massive enough to initiate nuclear fusion.
These giant planets, or abortive stars, have been nick-named "Brown Dwarfs." It was expected that these transitional bodies would be quite common,
but examination of data from the WISE satellite suggests otherwise:
www.sciencedaily.com... %3A+Latest+Science+News%29
The practical upshot of this is that it is now even less likely that the Sun has an "invisible companion."
Now, just as scientists are "meeting and greeting" the new neighbors, WISE has a surprise in store: there are far fewer brown dwarfs around us than predicted.
"This is a really illuminating result," said Davy Kirkpatrick of the WISE science team at NASA's Infrared Processing and Analysis Center at the California Institute of Technology in Pasadena. "Now that we're finally seeing the solar neighborhood with keener, infrared vision, the little guys aren't as prevalent as we once thought."
Previous estimates had predicted as many brown dwarfs as typical stars, but the new initial tally from WISE shows just one brown dwarf for every six stars.
www.sciencedaily.com... %3A+Latest+Science+News%29
The practical upshot of this is that it is now even less likely that the Sun has an "invisible companion."
reply posted on 9-6-2012 @ 09:37 AM by DJW001
reply to post by JibbyJedi
But, unlike bats, our intelligence can devise machines that can make the invisible visible to us.
www.sciencedaily.com... ceDaily%3A+Latest+Science+News%29
But, unlike bats, our intelligence can devise machines that can make the invisible visible to us.
reply posted on 9-6-2012 @ 11:08 AM by DJW001
reply to post by stirling
The most important thing being that the hunt has been on for over twenty years. Absence of evidence can sometimes be be considered as evidence of absence.
Yes a little less than twenty percent chance ...but that doesnt mean we are not accompnied or even herded along by more than one dwarf......
The brown dwarf idea is not dead till the preturbations of the OOrt cloud are expained, as well as all near space, mapped and scanned for such objects...
I thought, however, that they been doing this for decades already.....
This project is hardly over yet......
The most important thing being that the hunt has been on for over twenty years. Absence of evidence can sometimes be be considered as evidence of absence.
reply posted on 9-6-2012 @ 11:12 AM by KonquestAbySS
reply to post by DJW001
Interesting discovery, yet you been trying to debunk a lot of Nibiru threads in the past, so lets just call this brown dwarf planet Marduk? Maybe Tyche, hell even Nibiru...
Interesting discovery, yet you been trying to debunk a lot of Nibiru threads in the past, so lets just call this brown dwarf planet Marduk? Maybe Tyche, hell even Nibiru...
reply posted on 9-6-2012 @ 11:21 AM by SunnyDee
reply to post by CrikeyMagnet
I agree, but if you have been around a while, DWJ is frequently in the nibiru-planet X threads, pretty much putting down any thoughts or possibilities of a nibiru, and making many in the process feel like fools for considering it, so I felt it should be pointed out he seemed to give his thread a shameless bump with his last sentence of a "sun companion".
I agree, but if you have been around a while, DWJ is frequently in the nibiru-planet X threads, pretty much putting down any thoughts or possibilities of a nibiru, and making many in the process feel like fools for considering it, so I felt it should be pointed out he seemed to give his thread a shameless bump with his last sentence of a "sun companion".
reply posted on 9-6-2012 @ 03:17 PM by ngchunter
Originally posted by stirling
Yes a little less than twenty percent chance ...
Actually it's less than half that likely. Wide separated binaries, defined as a separation greater than about 200 AU, make up about 9 percent of local stars at best:
articles.adsabs.harvard.edu...
If our solar system were a "binary," it would have to be one such system; it's clearly not a close binary system with two stars closely orbiting each other at small distances as many binaries are, so that leaves about a 9% chance of it being a binary based on pure random chance. Realistically we know the odds are even less than that; we know there's no binary star anywhere near 200 AUs of the sun. If it exists it would have to be at Oort cloud distances, an even smaller proportion of the population of local stars. I wouldn't hold my breath with odds like that.
The brown dwarf idea is not dead till the preturbations of the OOrt cloud are expained,
What's there to explain? Why there's a slight perceived abundance of comets from a given arc of the sky? Could have just as easily have been due to a close encounter with another star long ago in the solar system's history. Could there be a brown dwarf out there? Maybe, but there's no particular reason to believe that's true rather than anything else. The odds of it being true are far lower than most around here seem to understand.
reply posted on 9-6-2012 @ 03:19 PM by Phage
reply to post by JibbyJedi
WISE did not use the visible spectrum.
What humans can perceive in the visible spectrum is ridiculous, we are blinder than bats.
WISE did not use the visible spectrum.
reply posted on 9-6-2012 @ 03:25 PM by Phage
reply to post by stirling
A brown dwarf is not the only possible explanation. WISE has "mapped" the entire sky. There are, I know, at least two astronomers who are eagerly searching the data for any indication of a large unknown body.
The brown dwarf idea is not dead till the preturbations of the OOrt cloud are expained, as well as all near space, mapped and scanned for such objects...
A brown dwarf is not the only possible explanation. WISE has "mapped" the entire sky. There are, I know, at least two astronomers who are eagerly searching the data for any indication of a large unknown body.
edit on 6/9/2012 by Phage because: (no reason given)
reply posted on 9-6-2012 @ 03:31 PM by Dustytoad
Originally posted by DJW001
reply to post by JibbyJedi
www.sciencedaily.com... ceDaily%3A+Latest+Science+News%29
But, unlike bats, our intelligence can devise machines that can make the invisible visible to us.
And even then they decide to invent Dark Energy and Dark matter which can not be detected in any direct way that make up 90% of everything hahaha...
Come on now we are still as blind as bats. Well, the bats that actually have poor eyesight that is.
edit on 6/9/2012 by Dustytoad because: (no
reason given)
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