Astronomers Slam SpaceX’s Growing Starlink Satellite Constellation

 

Astronomers Slam SpaceX’s Growing Starlink Satellite Constellation
https://futurism.com/the-byte/astronomers-slam-spacex-growing-starlink-satellite-constellation
By: Victor Tangermann
Published: August 25, 2020
In: Futurism

  • Extreme Impact
  • Ruining the Night Sky
  • Making Do

 

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Extreme Impact

According to a new report by the Satellite Constellations 1 (Satcon1) workshop, attended by more than 250 astronomers in late July, SpaceX’s Starlink internet-beaming satellite constellation could have an “extreme” impact on astronomy and scientific progress.

The workshop used computer simulations to examine how satellite constellations such as Starlink, once fully deployed, could affect the operations of Earth-based observatories.

“In the last year, the sky has changed, with growing numbers of satellite trails contaminating astronomical images,” reads the report.

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Ruining the Night Sky

Starlink officially has the permission of the Federal Communications Commission (FCC) to launch more than 30,000 small satellites, designed to bring broadband internet to the entire globe.

But, as the last couple of months have shown, the highly reflective satellites are already ruining wide-field observations of the night sky. Some of them turned out to be so bright, they could be easily seen with the naked eye.

And that could be bad news for astronomers. Scientific discoveries such as the identification of a near-Earth object or a super-Earth exoplanet candidate could be missed thanks to noise created by the satellites’ trails.

“If the 100,000 or more [low-Earth satellites] 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 astronomy facilities,” concludes the report.

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Making Do

The report does note, however, that SpaceX has worked with the scientific community to try to make future generations of its Starlink satellites less reflective and therefore disruptive.

“SpaceX has shown that operators can reduce reflected sunlight through satellite body orientation, Sun shielding, and surface darkening,” reads the report.

But even with those measures in place, the report found that observatories will likely have to “adopt more dynamic scheduling and observation management as the number of constellation satellites increases.”

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About Multerland

Multerland is the well thought out name of the Multerland blog, the related YouTube channel, and Twitter account, explained on the home page of the blog. Owner is Antoinette Janssen, who collects and creates educational information via blog posts, links, articles, books, films, photos, videos. She publishes articles about care for nature, natural health, holistic medicine, holistic therapies, deep ecology, biodynamic farming, sustainability, climate change, life processes, spirituality, awareness, mindfulness, and, recently, also articles and videos about the hidden dangers of wireless and cell phone radiation.
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