Shan KF

Unveiling the secret of the biggest black hole

The heart of the galaxy known as M87 is a place of unimaginable violence. A black hole about six-and-a-half billion times as massive as the Sun sits at the galaxy's center -- one of the most massiv...

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China to build base using soil from moon

BEIJING-According to Chinese media, China aims to begin construction of a lunar outpost utilizing lunar soil in five years, possibly even this decade. At a symposium recently held in the...

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