Though the pulse oximeter actually measures the saturation of oxygen in your blood, the results are often used as an estimate of blood oxygen levels. Normal pulse oximeter readings range from 95 to 100 percent, under most circumstances. Values under 90 percent are considered low. 1  Causes.
About Dwarf Planets. The world was introduced to dwarf planets in 2006, when petite Pluto was stripped of its planet status and reclassified as a dwarf planet. The International Astronomical Union (IAU) currently recognizes two other dwarf planets, Eris and Ceres.bout Dwarf Planets. The world was introduced to dwarf planets in 2006, when petite Pluto was stripped of its planet status and reclassified as a dwarf planet. The International Astronomical Union (IAU) currently recognizes two other dwarf planets, Eris and Ceres.
Relative masses of the giant planets of the Solar System. A giant planet is any massive planet. They are usually primarily composed of low-boiling-point materials (gas or ices), rather than rock or other solid matter, but massive solid planets can also exist.There are four giant planets in the Solar System: Jupiter, Saturn, Uranus and Neptune.Many extrasolar giant planets have been identified orbiting other stars. Giant planets are also sometimes called jovian planets, after Jupiter. They are also sometimes known as gas giants.here are four giant planets in the Solar System: Jupiter, Saturn, Uranus and Neptune. Many extrasolar giant planets have been identified orbiting other stars. Giant planets are also sometimes called jovian planets, after Jupiter. They are also sometimes known as gas giants.