People eat mooncakes and enjoy the bright full moon on that day.

人们在那一天吃月饼，欣赏明亮的满月。

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Once a month, or, more exactly, once every 29 1/2 days, at the time we call "full moon," its whole disc looks bright.

每一个月或者更精确些说每29又1/2天有一次有个我们称之为"望月"的时候。 这个时候整个月亮的园盘看起来很明亮。

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The commentary even proclaims, with liberal use of exclamation marks, that Mars will appear as bright as (or as large as) the full moon.

说明之处故意用了夸张的感叹号说：火星届时将如满月一般亮/大。

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It made for quite a show, producing a fireball as bright as a full moon and spurring more than 630 visual reports to be submitted to the American Meteor Society, as it soared southwest into the Atlantic Ocean.

CNN: Meteor lights up East Coast -- and social media