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Bye bye night sky

Old 11-19-19, 06:01 PM
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Seattle Forrest
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Bye bye night sky

Looking up at the night sky is something we share with our remote ancestors. It's always been a source of entertainment and art, also of religious and scientific inspiration.

We're making drastic changes to the night sky, annoying astronomers and photographers.

Starlink is SpaceX’s impending mega constellation of up to 42,000 satellites that will beam high-speed internet around the world. SpaceX, along with its competitors such as OneWeb and Amazon, has touted the benefits of bringing the internet to all, including the estimated three billion without internet access.

However, with just 3,000 active satellites orbiting earth today, many astronomers have expressed concerns that this dramatic increase will create many more artificial points of light in the night sky. For a science that relies on dark skies, having multiple satellites constantly visible could pose significant problems.

https://www.forbes.com/sites/jonatha...-galaxies/amp/
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Old 11-19-19, 06:13 PM
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Yup, Even out here I can see the glow of San Antonio especially if it is overcast. Out in Big Bend there in no light pollution so star gazing is good but you will see those satellites cruising by all the time.
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Old 11-19-19, 06:31 PM
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I haven't seen a sky thick of stars in decades. It's really, really sad.
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Old 11-19-19, 07:51 PM
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This is a pretty cool website to spend some time investigating:
Stuff in Space

I taught my kids how to spot satellites in the night sky. I like tracking them too.
I do miss the skies of the desert southwest.

Last edited by hazetguy; 11-19-19 at 07:56 PM.
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Old 11-19-19, 08:02 PM
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I like Musk and many of the things he's done. This new ring of space trash is a catastrophic disaster for planet earth. Any idea what wide broadcast 5G will do to human biology and the ecosystem? 5G tears apart DNA long term and with this system no place on earth will have refuge. I would not allow Musk to do this and require him, or anyone else, at his own expense to remove any such satellites from orbit.
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Old 11-19-19, 11:34 PM
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"A full constellation of Starlink satellites will likely mean the end of Earth-based microwave-radio telescopes able to scan the heavens for faint radio objects," Swinburne University astronomer Alan Duffy told ScienceAlert in May after the first launch of Starlink satellites.

...

Sky watchers are also finding that Starlink are more reflective then other satellites. If thousands of extra satellites weren't already a problem on their own, the fact they are extra-shiny is just another thing astronomers are pulling their hair out about.

https://www.sciencealert.com/starlin...stronomers/amp
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Old 11-21-19, 02:53 PM
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I went camping in Joshua Tree a few weeks ago and forgot to enjoy the dark night sky!

One time my wife and I finished a trail ride at dusk, and saw one of Musk's Space-X launches streaking across the sky, saw one of the stages detach. We had no idea what was going on, if maybe it was a nuke from Best Korea or something
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Old 11-21-19, 03:45 PM
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I did some night sky photography last night. I don't think I got a single exposure without at least one satellite. Half of them had many. Only talking 20 - 30 seconds too.
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Old 11-21-19, 03:56 PM
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Originally Posted by FiftySix View Post
I haven't seen a sky thick of stars in decades. It's really, really sad.
With all the light pollution, we need all the new stars we can get!!!

They keep pushing back the launch date of the JWST which would get beyold all of these satellites.
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Old 11-21-19, 06:02 PM
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As of 5 July 2016, the United States Strategic Command tracked a total of 17,852 artificial objects in orbit above the Earth, including 1,419 operational satellites. However, these are just objects large enough to be tracked. As of January 2019, more than 128 million bits of debris smaller than 1 cm (0.4 in), about 900,000 pieces of debris 1–10 cm, and around 34,000 of pieces larger than 10 cm were estimated to be in orbit around the Earth.
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Old 11-22-19, 10:22 AM
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In the Falkenberg's Legions series of scifi future warfare series, neither the good guys or the bad guys can use satellites, because it's trivially easy for their enemies to launch basically a squirt gun into a different but intersecting orbit; the frozen droplets at orbital speeds will destroy anything.
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Old 12-03-19, 08:20 PM
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Pollution is everywhere. I can hardly see any stars now. It's sad
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Old 01-02-20, 08:58 PM
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Apple wants into Space too;

https://ubcckengaren.blogspot.com/20...-and-beam.html

These elites tend to think the Planet is their playground.
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Old 01-04-20, 07:25 AM
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Originally Posted by prairiepedaler View Post
...Any idea what wide broadcast 5G will do to human biology and the ecosystem? 5G tears apart DNA long term and with this system no place on earth will have refuge. I would not allow Musk to do this and require him, or anyone else, at his own expense to remove any such satellites from orbit.
https://www.nytimes.com/2019/07/16/s...ss-cancer.html
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Old 01-04-20, 02:09 PM
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Back in the 1980s and 1990s (and into the 2000s) we used to go out to Death Valley Natl Park in the spring and hike up and camp at the top of Telescope Peak in the evening for some overnight star gazing. The park and the peak are pretty remote, so it was an incredible experience with an untold number of stars visible in that dark sky, plus the endless views to the horizon in the clear morning sky. But over those years the lights of the Las Vegas boom times got brighter and brighter and would distract your view. Not sure what its like out there these days, but it can't be any better.
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Old 01-04-20, 07:17 PM
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Bob, I can see I've made a new friend with you. You cite a lone article from the "toilet paper of record". Not exactly an unbiased or reliable source.
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Old 01-04-20, 07:50 PM
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The Science of Why 5G Is (Almost) Certainly Safe for Humans

The furor over 5G is the same as with any broadcast technology, people have been claiming radio waves are gonna kill us all since the day they were discovered. There are similar complaints/concerns about Bluetooth, which is in everything, and seemingly everywhere.

Is there a risk? May very well be. But it's going to take another 20-40 years of exposure to find out, and human beings have never been really good at waiting for things.

At the end of the day, if you go to the average smartphone-toting consumer and say, "Hey, we're gonna put up a bunch of antennae that will allow you to get 100Mbps downloads on your phone, but there's a risk of cancer in 40 years," he's gonna be like, yeah... gimme dat bandwidth.
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Old 01-05-20, 05:36 AM
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Everything we do, good or bad, creates problems. It seems to be some sort of law or something.
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Old 01-05-20, 10:52 AM
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Silver lining for Astronomers; controlling terrestrial urban light pollution

https://duckduckgo.com/?q=city+insta...alemoon&ia=web

Work4bike, I think the Western way of thinking, particularly American, is such that "every problem is just an engineering solution away" yet each solution creates a cascade of other unwanted effects, many unforeseen. It's like a self-perpetuating addiction. Problems though mean profits for someone, if they can come up with solution for that problem (and profits on all the other ones that solution causes). It's like the psychopath ZORG in the film Fifth Element who wanted to create mayhem on earth so his company could profit off of the cleanup. This is a bike forum and the bike is STILL the most energy effecient form of transport out there, so we are all in good company in adopting it as a major way of getting around.
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