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Originally posted by Mogget
You are absolutely correct, Skewed. If a brown dwarf (or any other massive object) was approaching the planetary region of the solar system, it would have been detected a long time ago. We can calculate the positions of the planets very, VERY accurately these days, and the gravitational perturbations caused by a brown dwarf would be noticed almost immediately.
It's also worth noting that this idea that a brown dwarf would be invisible is absolute nonsense. If it was too cool to emit much light of its own, it would reflect the light of the Sun!edit on 27-4-2011 by Mogget because: (no reason given)edit on 27-4-2011 by Mogget because: (no reason given)
Originally posted by Helious
Who is we exactly? There is no...... We, there is....... Them and Us. Nemesis is reported to currently be behind our sun currently, difficult to see, that is why they are watching it from the South Pole. With the distance it is estimated and given nobody knows the exact mass or size of the object, it is impossible to speculate if it's effects currently would have more effect on the Earth at this time greater than we are experiencing right now.
Brown dwarfs occupy the mass range between that of large gas giant planets and the lowest-mass stars; this upper limit is between 75[1] and 80 Jupiter masses
Originally posted by 30_seconds
The article states that so far they have found NOTHING, including anything between Mars and Jupiter.
It's an article about a telescope that COULD find such a thing, IF it existed.
So far, the mission's discoveries of previously unknown objects include an ultra-cold star or brown dwarf, 20 comets, 134 near-Earth objects (NEOs), and more than 33,000 asteroids in the main belt between Mars and Jupiter.
Originally posted by Illustronic
I'm kind of interested in knowing why there is this camp of people who are hoping for impending doom and the end of their lives. I can really only conclude that playing that card must be a purposeful attempt at spreading disinformation in the hopes of stimulating shock reactions, gathering attention, while under the cover of pretending to be uneducated to appear sincere, as a bit of amusement like trowing raspberries at grandma while hiding behind the couch.
Originally posted by optimus primal
Originally posted by 30_seconds
The article states that so far they have found NOTHING, including anything between Mars and Jupiter.
It's an article about a telescope that COULD find such a thing, IF it existed.
actually you're incredibly wrong. if you had read even the first two paragraphs of the article you'd know that. here's one sentence in particular directly from it
So far, the mission's discoveries of previously unknown objects include an ultra-cold star or brown dwarf, 20 comets, 134 near-Earth objects (NEOs), and more than 33,000 asteroids in the main belt between Mars and Jupiter.
WISE's mission and extended mission are over. it took a lot of data and now that's being sorted through. so far they've found a lot of things.
So far, the mission's discoveries of previously unknown objects include an ultra-cold star or brown dwarf, 20 comets, 134 near-Earth objects (NEOs), and more than 33,000 asteroids in the main belt between Mars and Jupiter.
Frequently Asked Questions
Q: When could data from WISE confirm or rule out the existence of the hypothesized planet Tyche?
A: It is too early to know whether WISE data confirms or rules out a large object in the Oort cloud. Analysis over the next couple of years will be needed to determine if WISE has actually detected such a world or not. The first 14 weeks of data, being released in April 2011, are unlikely to be sufficient. The full survey, scheduled for release in March 2012, should provide greater insight. Once the WISE data are fully processed, released and analyzed, the Tyche hypothesis that Matese and Whitmire propose will be tested.
Originally posted by caf1550
WISE is a NASA mission, launched in December 2009, which scanned the entire celestial sky at four infrared wavelengths about 1.5 times. It captured more than 2.7 million images of objects in space, ranging from faraway galaxies to asteroids and comets relatively close to Earth. Recently, WISE completed an extended mission, allowing it to finish a complete scan of the asteroid belt, and two complete scans of the more distant universe, in two infrared bands. So far, the mission's discoveries of previously unknown objects include an ultra-cold star or brown dwarf, 20 comets, 134 near-Earth objects (NEOs), and more than 33,000 asteroids in the main belt between Mars and Jupiter.
yes it is very cool what WISE has found
but you are taking it out of context...33,000+ asteriods in the asteriod belt...134 NEO's which mean that they are closer then 28 million miles to earth far closer then the asteriod belt, the ultra-cold star or brown dwarf that it talks about was found when it scanned the universe, it doesn't say anywhere that it is in the asteriod belt because that would mean everything that WISE has found is located in the asteriod belt which is not true