From a vantage point outside our home, a revealing perspective has shown us the planet for what it really is; a ball of living star dust, a four-and-one-billion year old miracle.
从地球以外的有利地位来看，地球是一个有生命的、虚无缥缈的球体，一个有着50亿年生命的奇迹。
2
Do not wash or clean the machine with strong chemical reagents or strong detergents. Clean the dust with a soft cloth. Wipe the stains with alcohol cotton ball gently.
不要用腐蚀性化学试剂、强洗涤剂清洗或擦拭仪器，请用软布擦拭仪器灰尘，如有污点请用酒精棉球轻轻擦净。
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The fan-shaped region that stretches upward from Johnson's nucleus (yellow ball in the middle) represents the dust "tail" of the comet.