When the real Sun was visible, however, the birds maintained a constant direction as it moved across the sky.

但是，当它们可以看到真正的太阳时，在太阳横跨天空移动时，这些候鸟保持固定的方向。

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On July 11, a total eclipse of the Sun will be visible in a thin swath of Earth crossing the southern Pacific Ocean.

7月11日，穿过南太平洋的薄薄带状区域可见日全食景象。

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Out over the central Atlantic, just before another spectacular sunset, with the spiral bands of Hurricane Earl visible in the setting sun.

在大西洋中部上空，又一次壮丽的日落之前拍摄，“伯爵”飓风的螺旋带在夕阳中清晰可见。

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Some of them are substantial in size but it's almost impossible to see them in the forest because they only become visible when the sun is at the right angle.

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From that distance, a star like the sun is visible through binoculars.

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The sun burns down so harshly that the contours of all visible items melt in its fierceness.

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