NASA Digest, Vol 51, Issue 5

	August 11, 2017  MEDIA ADVISORY M17-091 NASA Television to Air Six-Hour Spacewalk at International Space Station Expedition 52 commander Fyodor Yurchikhin holds one of the five satellites set to be deployed during the Russian spacewalk on Aug. 17, 2017. Two Russian cosmonauts will venture outside the International Space Station Thursday, Aug. 17, to deploy several nanosatellites, collect research samples and perform structural maintenance. Coverage of the spacewalk will begin at 10 a.m. EDT on NASA Television and the agency's website. Expedition 52 Commander Fyodor Yurchikhin and Flight Engineer Sergey Ryazanskiy, of the Russian space agency Roscosmos, will don their spacesuits and exit the station's Pirs airlock at approximately 10:45 a.m. Ryazanskiy will begin the schedule of extravehicular activities with the manual deployment of five nanosatellites from a ladder outside the airlock. The satellites, each of which has a mass of about 11 pounds, have a variety of purposes. One of the satellites, with casings made using 3-D printing technology, will test the effect of the low-Earth-orbit environment on the composition of 3-D printed materials. Another satellite contains recorded greetings to the people of Earth in 11 languages. A third satellite commemorates the 60th anniversary of the Sputnik 1 launch and the 160th anniversary of the birth of Russian scientist Konstantin Tsiolkovsky. The spacewalkers also will collect residue samples from various locations outside the Russian segment of the station and install handrails and struts to facilitate future excursions. Yurchikhin will be designated extravehicular crew member 1 (EV1) for this spacewalk, the ninth of his career. Ryazanskiy, embarking on his fourth spacewalk, will be extravehicular crew member 2 (EV2). Both will wear Russian Orlan spacesuits bearing blue stripes. The spacewalk will be the 202nd in support of space station assembly and maintenance and the seventh spacewalk this year. Check out the full NASA TV schedule and video streaming information at: https://www.nasa.gov/nasatv Get breaking news, images and features from the station on Instagram and Twitter at: http://instagram.com/iss and https://twitter.com/Space_Station
	Press Contacts Kathryn Hambleton Headquarters, Washington 202-358-1100 kathryn.hambleton@nasa.gov Dan Huot Johnson Space Center, Houston 281-483-5111 daniel.g.huot@nasa.gov

	August 11, 2017  MEDIA ADVISORY M17-092 NASA Announces Television Coverage for Aug. 21 Solar Eclipse This illustration depicts a rare alignment of the Sun and Moon casting a shadow on Earth. Credits: NASA On Monday, Aug. 21, all of North America will be treated to an eclipse of the Sun, and NASA Television will carry it live from coast to coast from unique vantage points on the ground and from aircraft and spacecraft, including the International Space Station. Coverage will be featured during the live four-hour broadcast Eclipse Across America: Through the Eyes of NASA. Programming begins at noon EDT with a preview show hosted from Charleston, South Carolina. The main show begins at 1 p.m. and will cover the path of totality the eclipse will take across the United States, from Oregon to South Carolina. The program will feature views from NASA research aircraft, high-altitude balloons, satellites and specially-modified telescopes. It also will include live reports from Charleston, as well as from Salem, Oregon; Idaho Falls, Idaho; Beatrice, Nebraska; Jefferson City, Missouri; Carbondale, Illinois; Hopkinsville, Kentucky; and Clarksville, Tennessee. The Toshiba Vision screen in New York's Times Square will broadcast the program live in its entirety to give the public a big-screen view of the eclipse. Viewers in Times Square can listen to NASA coverage while observing it on the big screen by downloading the NASA app or going to https://www.nasa.gov/eclipselive. Catch NASA's live coverage using any of the following: NASA App NASA App for iOS -- http://itunes.apple.com/app/nasa-app/id334325516?mt=8 NASA App for Android -- https://play.google.com/store/apps/details?id=gov.nasa NASA App for Amazon Fire and Fire TV -- http://amzn.com/B00ZVR87LQ The NASA App also is available to Apple TV users. Social Media Facebook Live -- https://www.facebook.com/nasa Twitter/Periscope -- https://www.pscp.tv/nasa Twitch TV -- https://twitch.tv/nasa Ustream -- http://www.ustream.tv/nasahdtv YouTube -- https://www.youtube.com/watch?v=wwMDvPCGeE0 Embedding Streams Ustream coverage can be embedded using the following code: <iframe width="480" height="270" src="http://www.ustream.tv/embed/6540154?html5ui" scrolling="no" allowfullscreen webkitallowfullscreen frameborder="0" style="border: 0 none transparent;"></iframe> YouTube video can be embedded using the following code: <iframe width="560" height="315" src="https://www.youtube.com/embed/wwMDvPCGeE0" frameborder="0" allowfullscreen></iframe> NASA TV Feeds NASA TV on Galaxy-13 NASA TV channels are digital C-band signals, carried by QPSK/DVB-S modulation on satellite Galaxy-13, transponder 11, at 127 degrees west longitude, with a downlink frequency of 3920 MHz, vertical polarization, data rate of 38.80 MHz, symbol rate of 28.0681 Mbps, and 3/4 FEC. A Digital Video Broadcast (DVB) compliant Integrated Receiver Decoder (IRD) is needed for reception. NTV-1 (Public-Education) HD Program = 101 (NTV-1) Compression Format = MPEG-2, Video PID = 0x112 hex / 274 decimal, AC-3 PID = 0x113 hex / 275 decimal, MPEG I Layer II Audio PID = 0x114 hex / 276 decimal. NASA also is providing an un-captioned KU feed for this event only on Galaxy 17, Transponder TBD. NTV-3 (Media) HD Program = 103 (NTV-3) Compression Format = MPEG-4, Video PID = 0x1031 hex / 4145 decimal, AC-3 Audio PID = 0x1034 hex /4148 decimal, MPEG I Layer II Audio PID = 0x1035 hex /4149 decimal. NASA also is providing a raw feed on the Verizon AVOC. The transmit circuit numbers are 36 TBGS 101315 AVOC TX 1 and 36 TBGS 101321 AVOC TX 2. Media requesting this connection must contact Verizon directly and have previously had presence on the AVOC. All content and times are subject to change in real-time and without notice. For more details and a broadcast timeline, visit: https://www.nasa.gov/nasatv In addition to the NASA TV broadcast, live video streams from locations across the country will be available at: https://www.nasa.gov/eclipselive To view and download NASA eclipse images, visit: https://www.flickr.com/photos/nasahqphoto All imagery and videos are in the public domain and can be used with the proper credit. For more information, please see NASA's Media Usage Guidelines at:
	Press Contacts Dwayne Brown Headquarters, Washington 202-358-1726 dwayne.c.brown@nasa.gov Karen Fox Goddard Space Flight Center, Greenbelt, Md. 301-286-6284 karen.c.fox@nasa.gov