Frozen in Liquid Nitrogen


Before Peas Are Added

After Peas Are Added

Even though these peas were frozen, they glow brightly in the infrared compared with the extremely cold liquid nitrogen. The liquid nitrogen is actually much colder than what is indicated on the temperature scale (which shows the lower limit detectable by the camera). In space, many objects are very cold, but glow very brightly in the infrared compared with the extremely cold background of space.


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