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George Zimmerman released on bond with GPS tracker

Zimmerman, the man who killed 17-year-old Trayvon Martin in February, posted $150,000 bail and left the Sanford jail fitted with an electronic monitoring device that the Sheriff's Office and Seminole County Probation officials will use to keep tr

(CHICAGO TRIBUNE) Sanford - The 28-year-old walked out of the jail wearing a brown Pittsburgh Steelers jacket and carrying a brown paper bag. He quickly got into the back seat of a white BMW and was driven away. He did not comment to reporters, who were kept at a distance.

It's likely that Zimmerman will leave the state, but officials will be able to monitor his actions no matter where he is living while he awaits trial. Zimmerman had gone into hiding in an unknown location outside of Florida before he was arrested earlier this month.

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Artificial Satellite Pollution, Perils For Biodiversity In Space And On Earth

Exploiting space resources and littering it with satellite and other anthropogenic objects is endangering the ecosystem of space, which also damages the earth and its creatures below.

Image of the small satellite NanoRacks-Remove Debris satellite deployed into space by the ISS

Thomas Lewton

Outer space isn’t what most people would think of as an ecosystem. Its barren and frigid void isn’t exactly akin to the verdant canopies of a rainforest or to the iridescent shoals that swim among coral cities. But if we are to become better stewards of the increasingly frenzied band of orbital space above our atmosphere, a shift to thinking of it as an ecosystem — as part of an interconnected system of living things interacting with their physical environment — may be just what we need.

Last month, in the journal Nature Astronomy, a collective of 11 astrophysicists and space scientists proposed we do just that, citing the proliferation of anthropogenic space objects. Thousands of satellites currently orbit the Earth, with commercial internet providers such as SpaceX’s Starlink launching new ones at a dizzying pace. Based on proposals for projects in the future, the authors note, the number could reach more than a hundred thousand within the decade. Artificial satellites, long a vital part of the space ecosystem, have arguably become an invasive species.

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