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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Μέρος του λόγου: noun
Συνώνυμο(α):
Blossary:
Κλάδος/Τομέας: Αστρονομία
Category: Mars
Company: NASA
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Αστρονομία; 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 ...

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Αστρονομία; 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

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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.

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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.

gustina

Αστρονομία; Mars

The amount of matter in a unit volume of a substance; usually the mass per unit of volume.

klimatologija

Αστρονομία; Mars

The scientific study of climate.

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Κλάδος/Τομέας: Αεροπορία Category: Διαστημόπλοια

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A reusable spacecraft with wings developed by the U.S. National Aeronautics and Space Administration (NASA) for human spaceflight missions. The first ...