Washington emergency responders are the first to use SpaceX’s Starlink internet, Facebook will be launching cross-platform messaging on Instagram and Messenger, and why social media should be used more to inform young people about Covid-19 in Canada.
It’s all the tech news that’s popular right now. Welcome to Hashtag Trending! It’s Thursday, October 1 and I’m your host Baneet Braich.
Washington emergency responders are the first to use SpaceX’s Starlink internet and they say the results are a huge success. Washington’s state military began using Starlink in early August to bring internet service to areas damaged by wildfires. Washington state’s emergency telecommunications leader Richard Hall told CNBC, “I have spent the better part of four or five hours with some satellite equipment trying to get a good [connection]. So, to me, it’s amazing,” Starlink internet has been developed to deliver high-speed internet to anywhere on the planet. The full Starlink network is planned to have about 12,000 satellites flying in low Earth orbit which is much closer to the surface than traditional satellites.
Facebook is launching cross-platform messaging on Instagram and Messenger. Facebook will now integrate various messaging platforms where users on messenger and Instagram to message one another app to app. Instagram will also get a major change in its DM system, which will get more features taken from Messenger. With the cross-platform features, users will also search for profiles across both apps simultaneously. Instagram will get updates like vanishing messages, selfie stickers, custom emoji, chat colours, new ways to block unwanted messages, and Messenger’s Watch Together feature, which lets users collectivity watch videos with friends during a video call.
The second wave of Covid-19 is largely attributed to younger people. A Toronto Star article about the benefits platforms like TikTok could have on delivering important information about COVID is trending on Twitter. Dr. Naheed Dosani was an early adopter of TikTok to inform younger audiences about Covid-19. His early videos quickly went viral, reaching more than 100,000 people. However, he says social media apps can be better used to effectively communicate with young people. I can’t understand why public health messaging hasn’t prioritized these (social media) platforms for COVID-19 education,” Dosani said. He suggests involving clinicians that use the platforms or influencers and celebrities to get out the proper messaging could be highly effective in convincing younger audiences with bite-sized information. [Twitter thread]
That’s all the tech news that’s trending right now. Hashtag Trending is a part of the ITWC Podcast network. Add us to your Alexa Flash Briefing or your Google Home daily briefing. I’m Baneet Braich, thanks for listening.
SpaceX launches 60 more Starlink internet satellites from Cape Canaveral – CBS News
A SpaceX Falcon 9 rocket launched 60 more Starlink internet relay satellites on Saturday, boosting the total number launched to date to 895 as the company builds out aof thousands designed to provide global high-speed broadband service.
Running two days late because of an on-board camera issue, the Falcon 9’s twice-flown first stage thundered to life at 11:31 a.m. EDT, pushing the 229-foot-tall rocket away from pad 40 at the Cape Canaveral Air Force Station. It was the California rocket builder’s 19th launch so far this year and its 15th Starlink flight.
The climb out of the lower atmosphere went smoothly and, as usual for SpaceX, the Falcon 9’s first stage flew itself back to landing on an off-shore drone ship. After two second stage engine firings, all 60 Starlink satellites were released to fly on their own, chalking up the company’s 95th successful Falcon 9 flight and 100th overall.
SpaceX’s Starlink operation has regulatory approval to launch more than 12,000 of the small satellites in multiple orbital planes, providing commercial users with line-of-sight access to space-based broadband signals from any point on Earth. The company already is testing the service in selected areas.
With Saturday’s launch, SpaceX has put 895 Starlinks into orbit, 180 of them — more satellites than any other company owns — in less than three weeks.
Astrophysicist Jonathan McDowell, a noted spaceflight analyst, reports 53 Starlinks have been deliberately deorbited to date, two re-entered on their own after failures and another 20 no longer appear to be maneuvering. Including the 60 launched Saturday, that leaves some 820 presumably operational Starlinks in orbit.
SpaceX launches 60 more satellites during 15th Starlink mission – Yahoo Lifestyle UK
<p class="canvas-atom canvas-text Mb(1.0em) Mb(0)–sm Mt(0.8em)–sm" type="text" content="This launch used a Falcon 9 first stage booster that twice previously, both times earlier this year, including just in September for the delivery of a prior batch of Starlink satellites. The booster was also recovered successfully with a landing at sea aboard SpaceX’s ‘Just Read the Instructions’ floating autonomous landing ship in the Atlantic Ocean.” data-reactid=”20″>This launch used a Falcon 9 first stage booster that twice previously, both times earlier this year, including just in September for the delivery of a prior batch of Starlink satellites. The booster was also recovered successfully with a landing at sea aboard SpaceX’s ‘Just Read the Instructions’ floating autonomous landing ship in the Atlantic Ocean.
Earlier this week, Ector County Independent School District in Texas announced itself as a new pilot partner for SpaceX’s Starlink network. Next year, that district will gain connectivity to low latency broadband via Starlink’s network, connecting up to 45 households at first, with plans to expand it to 90 total household customers as more of the constellation is launched and brought online.
SpaceX’s goal with Starlink is to provide broadband service globally at speeds and with latency previously unavailable in hard-to-reach and rural areas. Its large constellation, which will aim to grow to tens of thousands of satellites before it achieves its max target coverage, offers big advantages in terms of latency and reliability vs. large geosynchronous satellites that provide most current satellite-based internet available commercially.
SpaceX adds another 60 satellites to Starlink network – Spaceflight Now – Spaceflight Now
SpaceX successfully deployed 60 more Starlink internet satellites in orbit Saturday, continuing a record launch cadence while engineers assess a concern with Falcon 9 rocket engines that has delayed other missions, including the next crew flight to the International Space Station.
The 60 Starlink satellites blasted off from pad 40 at Cape Canaveral Air Force Station at 11:31:34 a.m. EDT (1531:34 GMT) Saturday. The mission was delayed from Thursday to allow time for engineers to assess a problem with a camera on the Falcon 9 rocket’s upper stage.
Nine kerosene-fueled Merlin 1D engines powered the 229-foot-tall (70-meter) launcher into the sky on a trajectory northeast from Cape Canaveral.
The rocket’s first stage shut down its engines and separated two-and-a-half minutes into the mission, beginning a controlled descent to a pinpoint landing on a floating platform parked some 400 miles (630 kilometers) northeast of the launch site.
The landing concluded the third trip to space and back for the reusable Falcon 9 booster — designated B1060 — and the touchdown occurred moments before the rocket’s upper stage delivered the 60 Starlink satellites into a preliminary parking orbit.
SpaceX did not try to catch the Falcon 9’s two-piece payload fairing as they fell back to Earth under parachutes. A nose cone structure damaged a net on one of SpaceX’s fairing recovery vessels on the company’s most recent launch Oct. 18.
Instead, SpaceX dispatched one of the boats from its fleet to retrieve the fairing structures from the Atlantic Ocean for inspections, refurbishment, and potential use on a future flight.
After coasting across the Atlantic Ocean, Europe and the Middle East, the Falcon 9’s upper stage briefly reignited its single engine at T+plus 44 minutes to inject the Starlink satellites into a near-circular orbit at an altitude of roughly 170 miles (275 kilometers) with an inclination of 53 degrees to the equator.
All 60 satellites, which were flat-packed on top of the Falcon 9 rocket for launch, separated from the upper stage at 12:34 p.m. EDT (1634 GMT). A live video feed from the rocket showed the flat-panel satellites receding from view as they flew south of Tasmania.
SpaceX’s Falcon 9 rocket lifted off from Cape Canaveral at 11:31am EDT (1531 GMT) with 60 more Starlink internet satellites, darting through clouds in an autumn sky on the way to orbit.
— Spaceflight Now (@SpaceflightNow) October 24, 2020
The satellites, built by SpaceX in Redmond, Washington, were expected to unfurl power-generating solar arrays and prime their krypton ion thrusters to begin raising their orbits to an operational altitude of 341 miles (550 kilometers), where they will join more than 800 other Starlink relay stations to beam broadband internet signals across most of the populated world.
SpaceX plans to operate an initial block of around 1,500 Starlink satellites in orbits 341 miles above Earth. The company, founded by billionaire Elon Musk, has regulatory approval from the Federal Communications Commission to eventually field a fleet of up to 12,000 small Starlink broadband stations operating in Ku-band, Ka-band, and V-band frequencies.
There are also preliminary plans for an even larger fleet of 30,000 additional Starlink satellites, but a network of that size has not been authorized by the FCC.
SpaceX says the Starlink network — designed for low-latency internet service — is still in its early stages, and engineers continue testing the system to collect latency data and speed tests. In a filing with the FCC dated Oct. 13, SpaceX said it has started beta testing of the Starlink network in multiple U.S. states, and is providing internet connectivity to previously unserved students in rural areas.
On Sept. 28, the Washington Military Department announced it was using the Starlink internet service as emergency responders and residents in Malden, Washington, recover from a wildfire that destroyed much of the town.
Earlier this month, Washington government officials said the Hoh Tribe was starting to use the Starlink service. SpaceX said it recently installed Starlink ground terminals on an administrative building and about 20 private homes on the Hoh Tribe Reservation.
A catalog of Starlink satellites maintained by Jonathan McDowell, a widely-respected astronomer who tracks global spaceflight activity, indicated that 53 of the Starlink satellites have been deorbited since their launch, primarily test models that launched last year. Two other satellites have failed and another 20 appear have stopped maneuvering, leaving around 820 spacecraft presumably operational, according to McDowell.
Since Oct. 6, SpaceX has shot 180 Starlink satellites into orbit on three dedicated Falcon 9 rocket missions. That’s more satellites than in the entire constellation operated by Planet, which owns the second-biggest fleet of spacecraft in orbit.
As of this week, Planet had around 150 active SkySat and Dove Earth-imaging satellites in its fleet, a company spokesperson said.
SpaceX continues Starlink launches while engine issue delays other missions
The launch of three Starlink missions on Falcon 9 rockets this month occurred as SpaceX delayed other launches to study an issue with Merlin engines that aborted a Falcon 9 countdown Oct. 2 with a U.S. military GPS navigation satellite.
Elon Musk, SpaceX’s founder and CEO, tweeted after the abort that the countdown was stopped at T-minus 2 seconds after an “unexpected pressure rise in the turbomachinery gas generator,” referring to equipment used on the rocket’s nine Merlin first stage main engines. The gas generators on the Merlin 1D engines drives the engines’ turbopumps.
NASA announced Oct. 10 that the launch from the Kennedy Space Center of SpaceX’s first operational Crew Dragon flight to the International Space Station would be delayed from Oct. 31 until early to mid-November to allow time for engineers to study and resolve the engine issue.
Kathy Lueders, head of NASA’s human spaceflight programs, tweeted Oct. 21 that the space agency and SpaceX were making “a lot of good progress … on engine testing to better understand the unexpected behavior observed during a recent non-NASA launch.”
It’s too early to report findings at this point, as SpaceX continues testing to validate what’s believed to be the most credible cause,” Lueders tweeted.
She wrote that SpaceX is replacing one engine on the Falcon 9 rocket assigned to the Crew Dragon mission — known as Crew-1 — and one engine on the Falcon 9 booster designated for launch of a U.S.-European oceanography satellite next month from Vandenberg Air Force Base, California.
The engines being replaced displayed behavior during their ground testing that was similar to the “early-start behavior” noted during the aborted GPS launch Oct. 2., Lueders wrote.
The launch of the Sentinel-6 Michael Freilich oceanography satellite remains scheduled for Nov. 10 from California, Lueders said.
“We are also still working towards a mid-November launch for Crew-1,” she added. “We will want a few days between Sentinel-6 and Crew-1 to complete data reviews and check performance. Most importantly, we will fly all our missions when we are ready.”
The Crew-1 mission will launch four astronauts to begin a six-month expedition on the International Space Station. It follows a two-man Crew Dragon test flight that launched May 30 and concluded with a successful return to Earth on Aug. 2, the first orbital flight of astronauts to launch from U.S. soil since the retirement of the space shuttle in 2011.
In a press briefing Oct. 16, a NASA manager said engineers from NASA, the U.S. Space Force, and SpaceX are jointly investigating the engine problem that surfaced during the Oct. 2 countdown.
“I can tell you an incredible amount of data has been looked at, to include members from our commercial crew program which also has an upcoming Falcon flight,” said Tim Dunn, NASA’s launch director for the Sentinel-6 Michael Freilich mission.
In addition to testing at the launch base at Cape Canaveral, SpaceX removed engines from the Falcon 9 rocket for the GPS mission and returned them to the company’s test facility in McGregor, Texas, for detailed testing and reviews.
“We’ve learned a lot,” Dunn said. “There’s going to be some hardware implications as we move forward, depending on the engines installed on various rockets. The GPS mission obviously is affected. The NASA Crew-1 mission is affected. On Sentinel-6, we are looking at the engines that are on our first stage. We are going to work through what we need to do, but as of today, we have a path forward that allows us to do whatever necessary rework may be required and still maintain that Nov. 10 launch date.”
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