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.
To prevent mild, occasional dizziness, avoid prolonged standing. Rise slowly after lying or sitting down. If you start to feel dizzy while you're driving, pull over. If you're standing when dizziness hits, lie down on your left side. ...Vertigo www.lifescript.com/health/a-z/conditions_a-z/conditions/v/vertigo.aspx. may have sudden, short (15-30 seconds), intense bursts of dizziness when you ...ny time you get up, do it slowly to avoid dizziness. What happens if you're normally on medication for something? ... You can use trays or a large book as a desk as you're lying on your side. ... Just don't lie flat on your back, on your stomach or on a massage table. ...