Mount Everest is also called Chomolungma or Sagarmatha
Mount Everest is now 8,848.86 meters high.
In 1924, explorer Noel Odell was the first to discover marine fossils on Mount Everest, which proved that the Mount Everest area was originally covered by an ocean.
Mount Everest was first climbed on May 29, 1953, by Sir Edmund Hillary from New Zealand and Tenzing Norgay, a Sherpa from Nepal.
There were more than 5,000 different people who have stood on the top of Everest over 9,000 times.
Sherpa is a people group who have settled on both sides of the Himalayas.
On average an Everest climber will use 7 bottles of oxygen on the way up and down and each bottle lasts about five hours [Nepal National Mountain Guide Association].
The actual climbing time from the lowest base camp to the summit is only a few days, but you have to descend as well. Most of the average 2 months for an expedition is spent acclimating and waiting for suitable conditions to break camp and move on.