Antenna

Antenna

A conductor by which electromagnetic waves are transmitted or received.

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Part of Speech: noun
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Industry/Domain: Astronomy
Category: Planetary science
Company: PSRD
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Related terms

antenna

Natural environment; Coral reefs

One of the paired, flexible, and jointed sensory appendages on the head of a crustacean, an insect, or a myriapod (e.g., a centipede).

antenna

Animals; Arthropods

The sensory feel on the head of an arthropod. Antennae are always present in pairs and can be sensitive to touch, taste, sound and heat. The size and shape of antennae varies ...

J antenna

Engineering; Electronic engineering

An end-fed half-wave antenna having a quarter-wave, parallel-wire matching section. The entire antenna, when oriented vertically, resembles the letter J.

antenna

Telecommunications; General telecom

Any structure or device used to collect or radiate electromagnetic waves. 2. A device that converts radio frequency electrical energy to radiated electromagnetic energy and vice ...

antenna

Astronomy; Planetary science

A conductor by which electromagnetic waves are transmitted or received.

antenna

Fire safety; Prevention & protection

A device connected to a radio receiver, transmitter, or transceiver that radiates the transmitted signal, receives a signal, or both.

evening star

Astronomy; Planetary science

A planet, not a star, that can be seen in the west just after sunset and it is usually Venus or Mercury.

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Also called glycolaldehyde, the simple sugar molecule is composed of carbon, hydrogen and oxygen and plays a key role in the chemical reaction that forms ribonucleic acid (RNA), a ...

Saturn

Astronomy; Planetary science

A planet that is sixth in distance from the Sun and is the second largest planet in the Solar System.

Goddard

Astronomy; Planetary science

American scientist who was one of the first people to proposed that rockets could be used to travel into space.

interplanetary

Astronomy; Planetary science

Existing or happening between planets. A satellite that is launched from the Earth to orbit Mercury travels through interplanetary space.

Jupiter

Astronomy; Planetary science

The planet that is fifth in distance from Sun. It is the largest planet in the Solar System.

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