China's defunct Tiangong 1 space station continues hurtling toward Earth for re-entry

China's defunct Tiangong 1 space station continues hurtling toward Earth for re-entry  Pittsburgh Post-Gazette A Chinese spacecraft is falling out of the sky. It's not supposed to happen like this.  WatertownDailyTimes.com Tiangong-1 crash—why it's so hard to predict where space debris will land and what can be done about it  Phys.OrgFull coverage

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