Monthly Archives: April 2014

The international space station passing wales
Sorry I meant to say space station not satellite.

By: jake Passey

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The international space station passing wales - Video

Station Crew Member Discusses Life in Space With Three Alma Maters

By: NASA

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Station Crew Member Discusses Life in Space With Three Alma Maters - Video

SpaceX launches supplies to space station - 19thApril 2014
Florida: The SpaceX company returned to orbit on Friday, launching fresh supplies to the International Space Station after more than a month #39;s delay and sett...

By: Alysas Heaton

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SpaceX launches supplies to space station - 19thApril 2014 - Video

4/20/2014 RING UFO CAUGHT AT THE INTERNATIONAL SPACE STATION!
4/20/2014 - A second UFO has been captured appearing in the darkness of space surrounding the ISS, via their live Ustream page online. Only time will tell wh...

By: secureteam10

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4/20/2014 RING UFO CAUGHT AT THE INTERNATIONAL SPACE STATION! - Video

[ISS] Dragon CRS-3 Berthed to International Space Station
SpaceX #39;s Dragon CRS-3 Spacecraft full of cargo and supplies for the six membered International Space Station was successfully berthed to the complex today, A...

By: SpaceVids.tv

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[ISS] Dragon CRS-3 Berthed to International Space Station - Video

Dragon docks at International Space Station
After a 36 hour journey, the Dragon cargo ship has made an Easter Sunday delivery of food, science experiments and supplies to the crew aboard the Internatio...

By: euronews (in English)

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Dragon docks at International Space Station - Video

The Easter Dragon Visits Space Station | Video
The Dragon cargo capsule, from private rocket transport company SpaceX was captured by the robotic arm and docked to international Space Station on April 20t...

By: VideoFromSpace

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The Easter Dragon Visits Space Station | Video - Video

Two spacewalkers took on a quick computer repair job at the International Space Station on Wednesday, one of the crew's busiest days in orbit.

NASA astronauts Rick Mastracchio and Steve Swanson began the spacewalk at 9:56 a.m. ET, heading out to replace a backup computer box that failed less than two weeks ago. Japan's Koichi Wakata is playing a supporting role inside the station.

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Meanwhile, their Russian crewmates Mikhail Tyurin, Alexander Skvortsov and Oleg Artemyev helped out with a previously planned test of an automated rendezvous system installed on a robotic Progress cargo ship. The Progress was undocked early Wednesday morning and took up a position about 300 miles (500 kilometers) from the station to begin two days of tests.

All this is going on while a freshly arrived SpaceX Dragon cargo ship is docked to a different port on the station.

NASA flight director Brian Smith said it's unusual to schedule an extravehicular activity, or EVA, amid so many other tasks.

"This isn't a long EVA," Smith told reporters during a pre-spacewalk briefing. "There are certainly EVAs that are more complicated than this one. However, the real trick has been to figure out how to put this EVA in the same week that we're doing the Dragon mission and we're doing the 53P Progress operations."

The spacewalk was choreographed quickly because NASA doesn't want to go without a backup for this particular computer box any longer than necessary. The box, known as a multiplexer-demultiplexer, plays a role in controlling critical systems on the space station, including the solar arrays, a robotic rail car and the external cooling system.

Flight Engineers Rick Mastracchio and Steve Swanson (partially obscured) install a new circuit board inside a spare multiplexer-demultiplexer aboard the International Space Station.

The primary computer box is working fine, and the crew is in no danger. But Smith said he and other mission planners were concerned about the "next worst-case failure" that is, the loss of the primary computer while the backup is out of commission.

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Spacewalking Repairmen Star in Juggling Act at Space Station

NASA astronauts Steve Swanson and Rick Mastracchio will perform a 2.5 hour International Space Station spacewalk on Wednesday. The NASA live stream of the event begins at 8:30 a.m. EDT and the ISS Expedition 39 crew members will work to replace a faulty computer located on the exterior of the space station.

Swanson and Mastracchio will replace the unresponsive backup multiplexer-demultiplexer (MDM). NASA discovered the problem on April 11 and the backup MDM supports several robotic systems aboard the ISS. According to NASA, the MDM "provides redundancy for commanding the Mobile Transporter rail car on the truss of the station." The Mobile Transporter is part of the docking procedure that attaches spacecraft to the space station. For Swanson, it will be his fifth spacewalk and it will be the ninth for Mastracchio.

The recent SpaceX ISS commercial resupply mission could have been delayed by the unresponsive MDM but NASA went ahead with the launch and the spacecraft reached the ISS on Easter. There are 45 MDMs located throughout the space station and the backup MDM that failed has been attached to the ISS for more than 10 years.

According to NASA, the faulty backup MDM is located on the S0 truss, on top of the Destiny laboratory module. On Monday, the Expedition 39 crew spent the day unpacking the cargo from the Dragon spacecraft. The T-Cell Activation in Aging science experiment, which studies immune system depression in microgravity, was among the first items unloaded from the spacecraft.

On Tuesday, ISS Expedition 39 commander Koichi Wakata, from the Japan Aerospace Exploration Agency, met with Swanson and Mastracchio and discussed Wednesday's ISS spacewalk. Prior to the spacewalk, the ISS Progess 53 resupply spacecraft which is currently docked at the ISS will detach from the Zvezda service module, located on the Russian side of the space station. The cargo spacecraft will spend two days in space, traveling no farther than 311 miles away from the ISS, before reattaching on Friday, notes NASA.

The NASA International Space Station spacewalk is scheduled for 9:20 a.m. EDT and the live stream can be viewed below.

Live streaming video by Ustream

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NASA International Space Station Spacewalk Live Stream: Watch The Maintenance Mission Here [VIDEO]