Hotter objects emit more energy through infrared than cooler objects.

Stars emit a smaller portion of their energy in the infrared spectrum, so nearby cool objects such as planets can be more readily detected.

All perform better when cooled, as they are both more sensitive and able to detect cooler objects.

An everyday example is the formation of soot on a cool object when it is placed inside a flame.

This crucial mission may find close and cool objects to our sun never before detected.

Her body became an icon, or a clue - a cool object, a revelation or alchemical tool.

Hotter objects, such as warm bodies, emit more of this light than cooler objects like trees or buildings.

Gabool stroked the cool curving object as he crooned softly.

"Each box needs to be a cool object to have," Mr. Brown said.

Then you can discover other cool objects in nearby regions of the sky.