How do we know, for example, that the stars are really huge balls of fire like the Sun and very far away?

比如说，我们怎么知道恒星真的是像太阳一样巨大的火球，而且离我们很远呢？

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How do we know, for instance, that the stars, which look like tiny pinpricks in the sky, are really huge balls of fire like the sun and are very far away?

例如，恒星看上去好像在天空中刺出的小孔。我们是如何知道恒星其实是像太阳一样的大火球，并且它们离我们非常远？

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The sun now set: the atmosphere glowed like fire.

太阳现在落山了，天空像火一样发出红光。

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"You wake up in the morning at about 5 o'clock ... and then you watch the sun rise and this extremely peaceful and serene atmosphere and then you just look at the sun coming like a ball of fire, rising from the sand and then coming up, " recalls Jibunoh.

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Mr. STERN: So a few weeks after the Pluto encounter when we've chosen our target, we'll fire the engines of the spacecraft, but we'll have to fly a distance something like from here to the sun or twice that far to reach these Kuiper Belt objects.

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