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Astronomers Say Space X Astronomy Pollution Can't Be Fixed

from the blinded-by-the-light dept

We recently noted how the Space X launch of low orbit broadband satellites is not only creating light pollution for astronomers and scientists, but captured U.S. regulators, eager to try and justify rampant deregulation, haven’t been willing to do anything about it. While Space X’s Starlink platform will create some much needed broadband competition for rural users, the usual capacity constraints of satellite broadband mean it won’t be a major disruption to incumbent broadband providers. Experts say it will be painfully disruptive to scientific study and research, however:

While Space X says it’s taking steps to minimize the glare and “photo bombing” capabilities of these satellites (such as anti-reflective coating on the most problematic parts of the satellites), a new study suggests that won’t be so easy. The joint study from both the National Science Foundation’s NOIRLab and the American Astronomical Society (AAS) found that while Space X light pollution can be minimized somewhat, it won’t be possible to eliminate:

“Changes are required at both ends: constellation operators and observatories. SpaceX has shown that operators can reduce reflected sunlight through satellite body orientation, Sun shielding, and surface darkening. A joint effort to obtain higher-accuracy public data on predicted locations of individual satellites (or ephemerides) could enable some pointing avoidance and mid-exposure shuttering during satellite passage. Observatories will need to adopt more dynamic scheduling and observation management as the number of constellation satellites increases, though even these measures will be ineffective for many science programs.”

Granted, in March, Space X boss Elon Musk predicted there would be no impact whatsoever from his Starlink project:

“I am confident that we will not cause any impact whatsoever in astronomical discoveries. Zero. That’s my prediction. We’ll take corrective action if it’s above zero.”

The report, which was first spotted by Ars Technica, notes that enough data has been collected to clearly indicate the impact is well above zero. Worse, they note that companies have only just started launching low-orbit satellite constellations. OneWeb and Space X have only just begun their efforts, and Amazon is expected to join the fray in a major way. Collectively, these launches will create some significant problems for scientists around the planet, the report concludes:

“If the 100,000 or more LEOsats proposed by many companies and many governments are deployed, no combination of mitigations can fully avoid the impacts of the satellite trails on the science programs of current and planned ground-based optical-NIR [near-infrared] astronomy facilities. Astronomers are just beginning to understand the full range of impacts on the discipline. Astrophotography, amateur astronomy, and the human experience of the stars and the Milky Way are already affected.”

While Space X’s lower altitude satellite are problematic, higher altitude satellites being eyed by the likes of Amazon are notably worse, the experts found. In a press release the groups detailed several ways of minimizing the impact of low-orbit satellite constellations (including launching less of them). But that’s going to require a lot of collaboration between researchers and industry. Collaboration that would be easier if we had U.S. regulators actually interested in helping coordinate that collaboration.

Filed Under: astronomy, fcc, leo satellites, satellite broadband, space pollution
Companies: amazon, oneweb, spacex

Well Hyped Satellite Broadband Provider OneWeb Files For Bankruptcy

from the another-empty-promise dept

Tue, Mar 31st 2020 06:43am - Karl Bode

For years, we’ve been promised repeatedly that new broadband technologies would soon arrive to disrupt the broken, cable broadband versus telco DSL duopoly in the states. And for just as long, these emergent technologies, for a wide variety of reasons, have failed to materialize.

In the late 90s and early aughts it was the promise of broadband over powerline (BPL) — an emerging tech that utilized utility poles and electrical lines to help deliver broadband to underserved regions. But while BPL was widely hyped and repeatedly used to justify rampant deregulation at the time (read: we don’t need pesky consumer protections because this new competition will soon arrive to fix everything), the technology wound up being an interference-prone dud. All of the deregulation based on this emerging technology remained intact however, and the U.S. broadband competition problem in many ways got worse.

Cable enjoys a massive, growing monopoly over broadband across huge swaths of the U.S. thanks to phone companies that have effectively given up on upgrading or even repairing aging DSL lines across numerous markets. These days, instead of BPL, fifth-generation wireless (5G) is often used as the carrot on a stick panacea to justify industry deregulation, even if (1) such deregulation repeatedly tends to make U.S. telecom problems worse, and (2) 5G isn’t going to be universally available, affordable, or as unrestrictive as fixed-line broadband for a laundry list of reasons.

Low orbit satellite broadband is also often used to justify endless deregulation of the sector and the steady erosion of U.S. telecom consumer protections. In part because the lower orbit means such connections should have lower latency than traditional, often crappy satellite broadband. But there too the hype, at least so far, has failed to live up to reality. For example OneWeb, one of several operations exploring the space, has been hyped for a few years as a deus ex machina that will soon fix much of what ails U.S. broadband. From a speech by FCC boss Ajit Pai last year, for example:

“Low-Earth orbit satellite companies like OneWeb have a sky-high ambition: to close the digital divide around the globe. Their technology holds special promise for bringing high-speed broadband service to those in rural, Tribal, and remote areas, connecting many who have never been connected before. This meshes well with the FCC?s twin priorities of closing the digital divide and promoting innovation.”

But that excitement appears to have been put on hold with the news that the company will be filing for bankruptcy after COVID-19 (allegedly) complicated the company’s quest to find additional financing. The project was one of several undelivered promises linked to Softbank and its founder Masayoshi Son:

“Son had often pointed to OneWeb as one of the cornerstones of an investment portfolio that ranges from ride sharing, co-working and robotics to agriculture, cancer detection and autonomous driving. The startup was working on providing affordable high-speed access anywhere in the world and targeting 1 billion subscribers by 2025. Son has painted a picture of a future where satellite networks cover every inch of the Earth and a trillion devices connected to the internet disgorge data into the cloud where it is analyzed by artificial intelligence.”

There’s certainly other low orbit satellite broadband providers that will hopefully have better luck. Most notable being Elon Musk and Space X’s Starlink, which will hopefully help bring a new connectivity alternative to rural America (but not more populated markets where competition issues are also prevalent):

“Latency of less than 20ms would make Starlink comparable to wired broadband service. When SpaceX first began talking about its satellite plans in late 2016, it said latency would be 25ms to 35ms. But Musk has been predicting sub-20ms latency since at least May 2019, with the potential for sub-10ms latency sometime in the future.

The amount of bandwidth available will be enough to support typical Internet usage, at least in rural areas, Musk said. “The bandwidth is a very complex question. But let’s just say somebody will be able to watch high-def movies, play video games, and do all the things they want to do without noticing speed,” he said.

Again, though, we’ve seen so many promises of disruption in this space it’s not unreasonable to only buy into the hype once you actually see a commercial service deployed at scale. And even then, you’ll need to see what pricing (and usage caps and other restrictions) look like before declaring the U.S. broadband problem fixed. The public also needs to be continually wary of folks eager to use the remote promise of disruption to justify efforts to make life ever-more comfortable for entrenched broadband monopolies (read: less regulation, less oversight, fewer consumer protections), a cycle of dysfunction we’ve been trapped in for the better part of several decades.

Filed Under: broadband, competition, low earth orbit satellites, satellite broadband, satellite internet
Companies: oneweb

DailyDirt: Space-Based Telecommunications

from the urls-we-dig-up dept

The idea of space-based telecommunications seemed so promising in the 1980s, but the delivered services didn’t quite live up to the dream of ubiquitous global communications. Al Franken’s one-man satellite reporting didn’t really address the latency issues associated with geosynchronous satellite orbits, but the future of satellite communications was still a bad joke. Perhaps after a few decades, we’re ready for another try?

After you’ve finished checking out those links, take a look at our Daily Deals for cool gadgets and other awesome stuff.

Filed Under: al franken, cubesats, elon musk, geosynchronous orbit, iridium next, isp, oneweb, satellites
Companies: iridium, oneweb, spacex