NASA performs spacewalk to install solar array on space station by Clyde Hughes Washington DC (UPI) Dec 22, 2021 NASA astronauts on Thursday morning successfully attached a solar array on the International Space Station after a piece of space junk was determined to be flying dangerously close to the orbiting laboratory. Astronauts Josh Cassada and Frank Rubio began the spacewalk at 8:19 a.m. EST to install an International Space Station Roll-Out Solar Array, or iROSA, to augment power generation for the 4A power channel on the station's port truss structure. They completed their walk at 3:27 p.m. The iROSAs will increase power generation capability by up to 30%. Space agency officials had postponed Wednesday's walk until they could nudge the space station safely away from the space debris. NASA identified the space debris as from an old Russian Fregat upper-stage booster. The space station and the astronauts were moved safely away from the potential close call. A Russian spacewalk at the ISS was canceled last week as they evaluated a coolant leak that was detected coming from the aft end of the Soyuz MS-22 spacecraft docked at the International Space Station, NASA said then. This was the 257th spacewalk in support of space station assembly, upgrades and maintenance, and was the third spacewalk for Cassada and Rubio.
Decoding the secret language of photosynthesis Riverside CA (SPX) Dec 22, 2022 For decades, scientists have been stumped by the signals plants send themselves to initiate photosynthesis, the process of turning sunlight into sugars. UC Riverside researchers have now decoded those previously opaque signals. For half a century botanists have known that the command center of a plant cell, the nucleus, sends instructions to other parts of the cell, compelling them to move forward with photosynthesis. These instructions come in the form of proteins, and without them, plants won't ... read more
|
|
The content herein, unless otherwise known to be public domain, are Copyright 1995-2024 - Space Media Network. All websites are published in Australia and are solely subject to Australian law and governed by Fair Use principals for news reporting and research purposes. AFP, UPI and IANS news wire stories are copyright Agence France-Presse, United Press International and Indo-Asia News Service. ESA news reports are copyright European Space Agency. All NASA sourced material is public domain. Additional copyrights may apply in whole or part to other bona fide parties. All articles labeled "by Staff Writers" include reports supplied to Space Media Network by industry news wires, PR agencies, corporate press officers and the like. Such articles are individually curated and edited by Space Media Network staff on the basis of the report's information value to our industry and professional readership. Advertising does not imply endorsement, agreement or approval of any opinions, statements or information provided by Space Media Network on any Web page published or hosted by Space Media Network. General Data Protection Regulation (GDPR) Statement Our advertisers use various cookies and the like to deliver the best ad banner available at one time. All network advertising suppliers have GDPR policies (Legitimate Interest) that conform with EU regulations for data collection. By using our websites you consent to cookie based advertising. If you do not agree with this then you must stop using the websites from May 25, 2018. Privacy Statement. Additional information can be found here at About Us. |