Eris' size resulted in its discoverers and NASA labelling it the solar system's tenth planet. This, along with the prospect of other similarly sized objects being discovered in the future, stimulated the International Astronomical Union (IAU) to define the term planet more precisely. Under a new definition approved on August 24, 2006, Eris was designated a dwarf planet along with Pluto and Ceres.
Best Answer: it depends on a few things~...but the longest time a human can stay upside down is 2 days.. If your heart is reasonably healthy and you aren't restricted, then you shouldn't pass out at all, any more than you would laying down or standing up.
Answers.comÂ® is making the world better one answer at a time. it takes around 45 minutes for water to pass through but if its a slightly thinker liquid it takes around 46 minutes it takes around 45 minutes for water to pass through but if its a slightly thinker liquid it takes around 46 minutes. + 36 others found this useful.