From stellar fireworks caused bysupernova explosions to invisible black holes, astronomers are graduallyfiguring out how stars work and what makes each variety unique.
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这可能是今年到目前为止最令人惊讶的风尚潮流之一,从走秀台到繁华街道和乡村,灰发随处可见。
Perhaps one of the most surprising style successes of the year so far, grey hair has been seen everywhere from catwalks to high streets up and down the country.