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.
How long does it take until the effects of marijuana COMPLETELY wear off? Yesterday I smoked some for the first time and I expected it to last for only a few hours. But today I woke up and i still feel oddly relaxed, different, and I forget things if I don't concentrate on them. This is getting me nervous that I'll remain permanently like this. How long does it take until i... show more Yesterday I smoked some for the first time and I expected it to last for only a few hours. But today I woke up and i still feel oddly relaxed, different, and I forget things if I don't concentrate on them. This is getting me nervous that I'll remain permanently like this.