what's mean ,stand-up EVAs

[shangding]

Between March 1965 and November 1966 ten manned Gemini spacecraft were orbited. These missions gained experience in extended mission times; perfected and practiced orbital maneuvering, rendezvous, and docking techniques; and trained astronauts in extravehicular activity. By the end of the program, Gemini crews had totalled 40 days 9 hr 51 min in space; completed 604 Earth orbits; had performed five EVAs totalling 6 hr 2 min plus four stand-up EVAs totalling 6 hr 21 min; set a then endurance record of 13 days 18 hr 35 min; and set a then altitude record of 1,369 km.


what' mean stand-up EVAs in here.
what different about stand-up EVAs and EVAs.

 

[Tycho]

To my knowledge, a stand-up EVA is when an astronaut partially exits a spacecraft, whether it be to take photos or perform an experiment, etc. Whereas an all-out EVA is when you exit the spacecraft completely. I would say that all stand up eva's are eva's, but not all eva's are stand up eva's. For example, a stand up eva was performed on Apollo 15 on the Moon, when CDR Dave Scott peeked his head out the top hatch of the LM. This would be considered EVA, as it involves donning a spacesuit and depressurizing the spacecraft.

 

[N_Molson]

And when the astronaut doesn't exit the vehicle at all, it's an IVA (Intra-Vehicular-Activity). It happened after the Progress-Mir collision, 2 cosmonauts made an IVA inside the depressurized module to try to find the leak and repair electrical systems.

 

[garyw]

A good example of a stand up EVA would be Dave Scotts stand up EVA on Apollo 15. In that context they depressurised the lunar module so that Scott could quite litterally stand up and look out of the docking hatch of the LM (which is on top) and take photos of the surrounding terrain.

 

[N_Molson]

A stand-up EVA (well, at the moment the pic was taken) :

 

[Linguofreak]

A stand up EVA is one in which an astronaut does a comedy routine.

'Nuff said.

 

[Ghostrider]

Basically, you open the top of a Gusmobile (the Gemini capsule is a convertible you can ride top-down, you know), then you stand up and while spreading your arms you scream into the mike: "Houston, I'm the king of the wooooorld!"

Something like that.

 

[SiberianTiger]

And when the astronaut doesn't exit the vehicle at all, it's an IVA (Intra-Vehicular-Activity). It happened after the Progress-Mir collision, 2 cosmonauts made an IVA inside the depressurized module to try to find the leak and repair electrical systems.

The most recent example of such IVA was June 10, 2009, when Gennady Padalka and Michael Barratt briefly depressurized the SM's docking compartment to remove a cover and install a docking cone in preparation for subsequent MRM-2 arrival.