asteroide

asteroide

A small rocky or metallic body orbitting the Sun. About 20,000 have been observed, ranging in size from several hundred kilometers across down to dust particles.

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Loại từ: noun
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Ngành nghề/Lĩnh vực: Archaeology
Category: Evolution
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asteroides

Aerospace; Space flight

Pequeños cuerpos compuestos de roca y metales que están en órbita alrededor del sol.

asteroide Apolo

Astronomy; General astronomy

One of a small group of asteroids whose orbits intersect that of Earth. They are named for the prototype, Apollo.

cinturón de asteroides

Astronomy; Planetary science

The region of space between the orbits of Mars and Jupiter, from 2. 1 to 3. 3 AU, where most asteroids are found.

familia de asteroides

Astronomy; Planetary science

Group of asteroids with similar orbital elements (distance from the Sun, inclination of the orbital plane to the Earth's orbital plane, and eccentricity of the orbit) thought to ...

hongos

Archaeology; Evolution

A group of organisms comprising the kingdom Fungi, which includes molds and mushrooms. They can exist either as single cells or make up a multicellular body called a mycelium. ...

ley

Archaeology; Evolution

A description of how a natural phenomenon will occur under certain circumstances.

pirimidina

Archaeology; Evolution

A kind of base. In DNA, cytosine (C) and thymine (T) are pyrimidines. In RNA, cytosine (C) and uracil (U) are pyrimidines.

ecosistema

Archaeology; Evolution

A community of organisms interacting with a particular environment.

célula fotorreceptora

Archaeology; Evolution

A cell, functionally part of the nervous system, that reacts to the presence of light. It usually contains a pigment that undergoes a chemical change when light is absorbed. This ...

mitocondria

Archaeology; Evolution

A kind of organelle in eukaryotic cells. Mitochondria produce enzymes to convert food to energy. They contain DNA coding for some mitochondrial proteins.