The Expedition 61 astronauts are in final preparations before Friday's spacewalk to continue repairing the International Space Station's cosmic particle detector.
The orbital residents also had time today to set up research hardware for upcoming space biology activities.
Flight Engineers Jessica Meir and Christina Koch will assist the spacewalkers during the excursion from inside the station on Friday. Meir will be on robotics duty maneuvering the Canadarm2 robotic arm while Koch manages their spacesuits.
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Astronauts on the space station see vibrant desert patterns, roiling storms, and volcanic
The Space Review: Review: See You in Orbit?
See You in Orbit? Our Dream of Spaceflight
by Alan Ladwig
To Orbit Productions, 2019
paperback, 500 pp., illus.
ISBN 978-1-7332657-0-6
US$18.00
Last week marked a new era in space tourism, as Virgin Galactic started trading on the New York Stock Exchange Monday after its merger with special-purpose acquisition company Social Capital Hedosophia closed the preceding Friday. The stock exchange building was wrapped in company banners, and there was a celebration inside that included company founder Sir Richard Branson.
Launch of Egypt's 1st Communication Satellite into Orbit Postponed | Asharq AL-awsat
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Image: Seville, Spain from orbit
Seville, visible towards the top right of this image, is the capital of Andalusia and the fourth largest city in Spain. An inland port, it lies on the Guadalquivir River and while the original course of the river is visible snaking through the city on the right, we can see where water has also been redirected into a straighter course on the left. At over 650 km long, the Guadalquivir is one of the longest rivers in Spain, extending way beyond the frame of this image.
The Doñana National Park lies on the right bank of the Guadalquivir River, at its estuary on the Atlantic Ocean. One of Europe's most important wetland reserves, the park is an area of marsh, shallow streams and sand dunes , and an important site for endangered and migrating birds.
NASA's TESS Spacecraft Is Finding Hundreds of Exoplanets—and Is Poised to Find Thousands More
Worlds around us await discovery. Take, for example, Proxima Centauri, an unassuming, faint red star, invisible without a telescope. It is one of over a hundred billion or so such stars within our galaxy, unremarkable except for its status as our next-door neighbor. Orbiting Proxima is a fascinating but mysterious world, called Proxima b, discovered only in 2016.
Scientists know surprisingly little about Proxima b . Astronomers name the first planet discovered in a system "b". This planet has never been seen with human eyes or by a telescope. But we know it exists due to its gravitational pull on its host star, which makes the star wobble ever so slightly. This slight wobble was found in measurements collected by a large, international group of astronomers from data taken with multiple ground-based telescopes .
Chinese Rocket Launches 2 Satellites (and Drops Debris on Settlement) | Space
China's space agency launched two new navigation satellites into orbit Saturday (Nov. 23), a successful mission that also appeared to send booster segments crashing into a settlement back on Earth.
A Long March 3B rocket launched two Beidou navigation satellites for China's constellation from the Xichang Satellite Launching Center in the country's Sichuan Province at 8:55 a.m. Beijing Time Saturday (1255 GMT or 7:55 p.m. EST on Nov. 22). The rocket was equipped with a Yuanzheng-1 (Exploration-1) upper stage to help deliver the satellites to their final orbit.
5G deal reached that threatens weather forecast accuracy, experts say - The Washington Post
A long-awaited international deal governing how the world's technology companies should roll out 5G technology poses serious risks to weather forecast accuracy, according to data from federal agencies and the World Meteorological Organization.
Negotiators from around the world announced a deal Friday at a meeting in Sharm el-Sheikh, Egypt, for how to roll out 5G technology that operates using specific radio frequency bands.
Studies completed before the negotiations by U.S. government agencies such as the National Oceanic and Atmospheric Administration, NASA and the Navy had warned that 5G equipment operating in the 24-gigahertz frequency band could interfere with transmissions from polar-orbiting satellites used to gather weather data. This could make forecasts much less reliable, the reports found.
Happening on Twitter
LIVE NOW: Watch @AstroDrewMorgan and @astro_luca prepare to venture outside the @Space_Station for a spacewalk to r… https://t.co/ryhMtflnuM NASA Fri Nov 22 10:31:23 +0000 2019
.@Astro_Luca rides the @CSA_ASC #Canadarm2 robotic arm carefully and precisely operated by @Astro_Jessica to make s… https://t.co/C7KAevYzlM Space_Station (from Low Earth Orbit) Fri Nov 22 16:54:16 +0000 2019
This narrated 3-D animation depicts today's tasks by spacewalkers @AstroDrewMorgan and @Astro_Luca to continue repa… https://t.co/oQBNgOAmvH Space_Station (from Low Earth Orbit) Fri Nov 22 10:47:50 +0000 2019
As we near the end of today's spacewalk, this view from @Astro_Luca's helmet cam shows @AstroDrewMorgan cleaning up… https://t.co/9ZW5vbvpSI Space_Station (from Low Earth Orbit) Fri Nov 22 17:39:52 +0000 2019
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