And for the last few decades, that snow kept surface waters from warming even more, added bulk to sea ice, and reflected sunlight.

在过去几十年里，这些雪阻止了表层的水温升高得更多，增加了冰原的容积，并反射了太阳光。

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When sunlight strikes an object, some of the energy is absorbed and some is reflected.

当阳光照射到物体上时，一些能量被吸收，一些能量被反射。

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From Mercury, both the Earth and its comparatively large moon will always appear as small circles of reflected sunlight and will never show a crescent phase.

从水星的角度，地球和她相当大的月球看起来总是两个反射太阳光的小圆盘，从来不会出现类似月相的变化。

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The panels are mounted in an inverted V, allowing them to collect energy from the sun and sunlight reflected off the ice sheet.

ENGADGET: NASA's GROVER eco-rover to examine Greenland's ice sheet (video)

Using the CMY color model (cyan, magenta and yellow) as its basis, the team was able to produce blues with a groove measuring 170 x 40 nanometers, reds at 60 nanometers wide and yellows at a width of 90 nanometers -- all with reflected sunlight and unaffected by viewing angles.

ENGADGET: Peacock feathers form basis for reflective displays, could bring color to e-readers soon