Pressure reduction in the space capsule begins

There is no airlock in the capsule. In a few moments, the pressure will be completely released and the entire crew – including the two who remain inside – will have to rely on spacesuits to obtain oxygen.

Isaacman and Gillis will exit but will be tethered by what is known as an “umbilical cord.” This is 12 feet long and provides air and cooling, and as a SpaceX commentator just said, to ensure that “They will not float into space”.

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A hissing sound is now heard. This is normal as the spacesuits are being pressurized so the crew can check for air leaks before opening the door.

SpaceX confirms mission to conduct spacewalk

So why is this a big deal?

Many reasons, but here are three important ones:

• This would be an important milestone for the efforts of private companies (such as Elon Musk’s SpaceX, Boeing and Jeff Bezos’ Blue Origin), take on the role that was previously reserved exclusively for government agenciesUntil now, only well-funded government agencies such as NASA and the Russian space agency Roscosmos have been able to conduct spacewalks.

• The crew also tests slimmed down space suits designed by SpaceX (looks very science fiction).

Essentially, this mission is a proof of concept that will lead to easier and cheaper access to space.

We have pictures from inside the capsule. The crew is wearing their suits and Isaacman is floating around.

If you watched the video, you probably heard the crew “initiate seat rotation.” (Translation for non-space nerds: They move the furniture around so they can move around more easily.)

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