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    London Mayor Sadiq Khan pushes ahead with review into legalising cannabis

    London Mayor Sadiq Khan pushes ahead with review into legalising cannabis

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    Porn-watching ex-Tory MP Neil Parish could stand as an independent in by-election he triggered by quitting in disgrace

    Threat of food price rises as Britain and EU on brink of Brexit trade war over Northern Ireland

    Threat of food price rises as Britain and EU on brink of Brexit trade war over Northern Ireland

    Keir Starmer insists he WILL quit if fined over Beergate as he stakes his career on police probe

    Keir Starmer insists he WILL quit if fined over Beergate as he stakes his career on police probe

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      Google and Meta earn £1bn a year from UK news content, new study claims

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      Bargain priced Wirral apartments for investment in UK

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        Inside the final days of the dinosaurs before they were wiped out by a Jurassic ‘bullet’ the size of Mount Everest

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        Why the FIFA World Cup 2022 is different – 3 things you should know!

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        London Mayor Sadiq Khan pushes ahead with review into legalising cannabis

        London Mayor Sadiq Khan pushes ahead with review into legalising cannabis

        Porn-watching ex-Tory MP Neil Parish could stand as an independent in by-election he triggered by quitting in disgrace

        Porn-watching ex-Tory MP Neil Parish could stand as an independent in by-election he triggered by quitting in disgrace

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        Keir Starmer insists he WILL quit if fined over Beergate as he stakes his career on police probe

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          Bargain priced Wirral apartments for investment in UK

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            These are the best out of the ordinary hotels in the world – according to Tripadvisor

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          You soon won’t be able to see the constellations in the stars as satellites flood night sky, warns expert

          by Anderson
          in Tech
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          SWARMS of satellites could one day outshine star constellations and ruin the night sky for stargazers, according to a concerned expert.

          Companies like SpaceX and Amazon have been busy launching hundreds of satellites into orbit since 2019.

          You soon won’t be able to see the constellations in the stars as satellites flood night sky, warns expert
          CHRISTOPHE LEHENAFF/MOMENT/GETTY IMAGES PLUS Share this:

          Mars (left) and the Pleiades star cluster can be seen here with two Starlink satellite trails to the right-hand-side[/caption]

          One day, lots of those satellites will be visible in the night sky, sometimes for the whole evening.

          A new simulation of where the thousands of future satellites could appear in the night sky is concerning astronomers.

          Astronomer Samantha Lawler from the University of Regina in Canada has been working on the project with her team.

          Their online research paper states: “Megaconstellations of thousands to tens of thousands of artificial satellites (satcons) are rapidly being developed and launched.

          “These satcons will have negative consequences for observational astronomy research, and are poised to drastically interfere with naked-eye stargazing worldwide should mitigation efforts be unsuccessful.

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          “Here we provide predictions for the optical brightnesses and on-sky distributions of several satcons, including Starlink, OneWeb, Kuiper, and StarNet/GW, for a total of 65,000 satellites on their filed or predicted orbits.”

          After simulating how disruptive the satellites could be for the night sky, the conclusion wasn’t good news for stagazers.

          The researchers concluded: “Without drastic reduction of the reflectivities, or significantly fewer total satellites in orbit, satcons will significantly change the night sky worldwide.”

          Factors like time of year, day and how reflective the satellites would be at any one time were taken into account.

          It should be noted that some of the factors required a level of the materials used to create all the satellites aren’t confirmed and some materials reflect more sunlight that others.

          SpaceX has worked on reducing how reflective its satellites are after previous astronomy concerns were raised.

          Lower Canada, lots of Europe, Kazakhstan and Mongolia, and the southern tips of Chile and Argentina were listed as places where naked eye stargazing would be most affected.

          According to Science News, Lawler said: “I hope I’m wrong. I’ve never wanted to be wrong about a simulation more than this.

          “But without mitigation, this is what the sky will look like in a few years.”

          • Get all the latest Science news
          • Keep up-to-date with the top Space & Astronomy stories
          • All the latest Archaelogy news from dinosaurs to Ancient artefacts

          Find out more about science

          Want to know more about the weird and wonderful world of science? From the Moon to the human body, we have you covered…

          • When is the next Full Moon?
          • What is a Super Moon?
          • What is SpaceX?
          • Where is the edge of space?
          • How many bones are in the human body?
          • How many chromosomes do humans have?
          • What causes a volcano to erupt?
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          • All the UFO sightings and whether aliens are real
          • Which country has the most earthquakes?

           


          In other space news, blood, sweat and tears from astronauts has been used to make a new ‘space concrete’ that could aid construction on Mars.

          Musk is working on a Tesla robot that looks like a human – and will perform “boring or dangerous tasks”.

          And, Nasa’s Mars helicopter has been whizzing across the red planet.


          We pay for your stories! Do you have a story for The Sun Online Tech & Science team? Email us at [email protected]





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