NASA Streams HD Video From Space Station - InformationWeek

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NASA Streams HD Video From Space Station

Four commercial HD cameras aboard the International Space Station stream live video of Earth from space.

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NASA's Next Spacesuit: Mars Fashion
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Have you ever wondered what Earth looks like from space in high definition? Just follow NASA's new live video feed from the International Space Station (ISS) on Ustream.

On April 30, the space agency activated its High Definition Earth Viewing (HDEV) experiment, involving four commercial HD cameras aboard the ISS. The Earth-facing cameras, which are enclosed in a pressurized and temperature-controlled housing, began streaming video live to the world on May 1. But viewers will have to wait a little longer to enjoy the live feed.

NASA ran into some problems when the video feed went offline due to a communication issue between HDEV and ground stations. The live stream is down temporarily, but NASA is working to fix the issue, said a spokesperson for the agency. A NASA spokesperson didn't give a timeframe.

The experiment was transported April 18 on a SpaceX CRS-3 cargo resupply mission to the ISS. The SpaceX Dragon spacecraft carried approximately 2.5 tons of science investigations, vehicle hardware, spacewalking equipment, and supplies for the crew. HDEV was one of the first payloads to be delivered in the unpressurized "trunk" of the Dragon, the spokesperson said.

[The Hubble Space Telescope has helped solve huge questions about space. See Hubble Turns 24: 5 Biggest Discoveries.]

The box containing the HD cameras is currently attached to the Harmony module, a utility hub that supports systems essential to the ISS. High school students helped design of some of the HDEV components as part of a program called High Schools United with NASA to Create Hardware (HUNCH). The majority of the operations will also be performed by student teams, according to the agency.

SpaceX Dragon commercial cargo spacecraft arrives at ISS with supplies, including HDEV gear. (Source: NASA)
SpaceX Dragon commercial cargo spacecraft arrives at ISS with supplies, including HDEV gear.
(Source: NASA)

HDEV cameras are fixed and require no zoom, pan, or tilt mechanisms. "The video imagery is encoded into an Ethernet compatible format for transmission to the ground and further distribution. In this format, the video can be viewed from any computer connected to the Internet," NASA said on its website.

The experiment's goal is to assess camera quality for use in space, while also capturing Earth imagery. NASA hopes to find out how the hardware is able to survive and function in the extreme radioactive environment of low-Earth orbit. This will help engineers decide which cameras are best to use on future missions.

This isn't the first time that NASA has streamed video from the ISS. There is a separate live video feed that has been around for several years. The Live_ISS_Stream on Ustream takes NASA's regular downlink video feeds from the ISS and offers them to the public, sometimes including video from inside the station. Unlike the HDEV experiment, the feeds are transmitted in standard definition. It is the first of six downlink channels available to mission controllers to monitor and assist astronauts in orbit in real-time.

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Elena Malykhina began her career at The Wall Street Journal, and her writing has appeared in various news media outlets, including Scientific American, Newsday, and the Associated Press. For several years, she was the online editor at Brandweek and later Adweek, where she ... View Full Bio

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User Rank: Author
5/7/2014 | 10:26:25 AM
Dark Screen
The good news, the video feed is back up.  But that doesn't always mean there's a view, most notably when the space station is on the night side of the Earth. Here's a quick guide:

Black Image = International Space Station (ISS) is on the night side of the Earth.
Gray Image = Switching between cameras, or communications with the ISS is not available.
No Audio = Normal. There is no audio on purpose. Add your own soundtrack.
Thomas Claburn
Thomas Claburn,
User Rank: Author
5/6/2014 | 5:45:44 PM
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