Liberty Park March 11th, 2013 10:12 PM   When the object was first spotted by an astronomer at Star Island, he thought for a second it might be a meteor about to burn up on reentry. But after a few seconds, he realized the mass was holding together, despite the punishing flames of low orbit. For a minute or so after that, it became a matter of fascination. Perhaps the meteor was made of some high-density metal - there was a bit of speculation on the sheer possibilities if the meteor represen