Final space mission commences, with two iPhone 4's on board

Space shuttle, Atlantis, was launched from Kennedy Space Center this morning at 11:29am. STS-135 is the last mission of over 30 years of space exploration. The two iPhone 4s taken into space are pre-loaded with the app SpaceLab for iOS, which will allow scientists to conduct several experiments, including the following -

Limb Tracker - This navigation experiment will involve taking photographs of the Earth and matching an arc to the horizon through manipulation of an overlay. This performs the function roughly equivalent to a “manual” horizon sensor. It will yield an estimate of altitude (height above the surface) and “off axis” angle, a measurement of the angle of the image with respect to the Earth's center.

Sensor Cal - This sensor calibration experiment uses a series of photos of a reference image, combined with propagated information using three-axis gyro and accelerometer measurements to calibrate the gyros and the accelerometers (i.e. bias and scale coefficients). This will improve the knowledge and accuracy of subsequent measurements.

State Acq State Acquisition - This navigation experiment uses a series of photos of a reference image and of the Earth, combined with information from the three-axis gyro and accelerometer, to estimate the position of the spacecraft (latitude and longitude). The position estimation is generated by manipulating and matching a wireframe overlay of the Earth's coastlines to the acquired Earth image(s). Performing multiple sequences, separated by a known amount of time, can permit estimation of the spacecraft's orbit parameters.

LFI Lifecycle Flight Instrumentation - This experiment will characterize the effects of radiation on the device by monitoring certain areas of memory for Single Bit Upsets - an unintended change in value of a memory location caused by exposure to radiation.

The iPhone's three-axis gyroscopes and accelerometer should perform well in zero gravity and let scientists conduct experiments in a more cost efficient way. The mission will last 12 days but the iPhones will remain in space. The Russian Soyuz vehicle will return the iPhone 4's to Earth possibly as soon as this Fall. Flight data will be collected and analyzed once they return to Earth.

You can check out SpaceLab for iOS in the App Store now (iTunes Link). Not all experiments will work without a zero gravity environment but it's still an extremely interesting app to check out.

MacRumors

Allyson Kazmucha

Editor for iMore, Potter pundit, and the ninja in your iOS

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There are 11 comments. Add yours.

Alan says:

Was it a Verizon or AT&T phone? You can't use a phone on a commercial airline but no prob on the space shuttle? :-) Oh, wait, now I get it... Apple just launched their first satellite phone!!

Melvinsousa says:

Why is the Nexus with them also? Androids are so terrible. They suck badly. I bet google paid. It's like a kid not invited to a party but finds a way.

Mark Shryock says:

Do you have one kid? I do and love it so SFU.

Adas says:

Yeah well android
Phones suck:/

johnolesen says:

is there anything the iPhone CANT DO? (besides make calls on the AT&T Variant)....
seriously. lol. Why is this the "last" space mission. Did we just give up or something? The minute we stop shooting shit into space is the minute the alien apocalypse begins.

The other Mike says:

Not necessarily the last space mission but now we will have to hitch a ride with the Soviets. Perhaps they will send up a Chinese iPhone knockoff to commemorate the so called "partnership".

Jim says:

Russians not Soviets. I bet you think Marxism-Leninism is Communism too.

Aaaaa says:

Great app extremly usefull on my spaceship.

StatCoder says:

Why did they take iPhone 4's instead of iPod Touch's since they aren't going to get any reception, anyway? The weight difference isn't very much but if it would matter anywhere it would matter on a shuttle mission.

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