fluorescencija

fluorescencija

The emission of electromagnetic radiation as the result of exposure to some other radiation, which emission ceases when the stimulus that produces it ceases to act on the emitting substance. Thus light passing through a gas, may change the energy state of the atoms and cause them to emit light of a different wavelength.

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Kalbos dalis: noun
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Pramonės šaka / sritis: Astronomy
Category: Mars
Company: NASA
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Astronomy; Mars

An ideal or imaginary body that is absolutely black when cold, but is a perfect absorber of radiation and at the same time a perfect radiator. Black body temperatures are used to ...

masa

Astronomy; Mars

The amount of matter in a body, which should not be confused with weight. The same object will have different weights in space and earth but the mass remains constant.

džul

Astronomy; Mars

The s. I. Unit of energy, work, or quantity of heat. It is the force of one newton acting over a distance of a meter.

ugljendioksid

Astronomy; Mars

A gas used by all green plants and recycled by them to form wood and the oxygen we breathe. In very large quantities it can be poisonous to animal life.