Everest is 29,000 feet plus high. At any altitude over 10,000 feet oxygen starvation begins to set in for most people. At 29,000 feet, it is critical to life to have an oxygen tank.
twelve
7 weeks
3 months.
astronauts will need to take air to mars because the atmosphere on the planet cannot contain any oxygen, thus no oxygen to breathe.
So they can refill their suits if that oxygen runs out.they need back up just in case
Edmund Hillary and Tenzig Norgay climbed Mount Everest in 7 weeks in 1953
twelve
Edmund Hillary took essential climbing equipment, warm clothing, food supplies, and a camera with him on his successful expedition to summit Mount Everest in 1953.
3 days
7 weeks
1 week and a half
The British Mount Everest expedition that Edmund Hillary was a member of reached base camp on the 12th April 1953. Edmund Hillary and Tenzing Norgay reached the summit on the 29th May. Allowing for rest days and acclimatization it took them 47 days.
Since 1953 clothing and equipment needed to climb Mount Everest has changed a lot. Take a look at the article in the link given to see what Edmund Hillary would of worn and the equipment he used.
The British Mount Everest expedition that Edmund Hillary was a member of reached base camp on the 12th April 1953. Edmund Hillary and Tenzing Norgay reached the summit on the 29th May. Allowing for rest days and acclimatization it took them 47 days.
7 and a half weeks
1 month and 23 days
3 months.