Mr Lemmens said that future spacecraft "should be designed in such a way that they can take themselves out of orbit safely, preferably by doing controlled re-entries".
A so-called "planetary nebula" is a confusing misnomer because these clouds have nothing to do with planets. As a medium-size star nears the end, it puffs out into a red giant — about 100 to 1,000 times its original size — eventually engulfing the space around it, including any nearby worlds.
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Newly unsealed court filings have revealed that US singer D4vd - real name David Anthony Burke - is the target of a grand jury investigation into the apparent murder of a 14-year-old girl, whose remains were found in his car in September.
Филолог заявил о массовой отмене обращения на «вы» с большой буквы09:36