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Explorer
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Explorer

Explorer Dictionary of astronomy, letter E Long series of American scientific satellites launched for the study of interplanetary space, for geophysical and astronomical research. Explorer 1, put into orbit on February 1, 1958, was also the first satellite launched by the United States, after the Soviets had already launched two Sputnik, the second of which had a dog named Laika on board.

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Astronomy Glossary: ​​K

Astronomy Glossary: ​​K When you are young you live believing that one is the most important thing on Earth; When we get rid of it based on blows, we are prepared to live the rest of life. Emma Thompson ABCDEFGHIJKLMNOPQRSTUVWXYZ Custom Search
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Apse

We know with the name of apse the points of the ends of the main axis of an elliptical orbit
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Acceleration of gravity

Acceleration of gravity Astronomy dictionary, letter A The force of gravitational attraction causes an object in free fall on a celestial body to move, dispensing with possible atmospheric resistances, in an accelerated way, that is, with a constant increase in its velocity by unit of time, and that is directed towards the center of the celestial body.
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Astronomy Glossary: ​​W

Astronomy Glossary: ​​W For tribal man, space is an uncontrollable mystery. For the technological man it is time that occupies that function. Marshall McLuhan ABCDEFGHIJKLMNOPQRSTUVWXYZ Custom Search
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Astronomy Glossary: ​​X

Astronomy Glossary: ​​X The man who observes the space does not consider the small as too little, nor the large as huge, because he knows that there are no limits to the dimensions. Anonymous ABCDEFGHIJKLMNOPQRSTUVWXYZ Custom Search
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Aerolite

Aerolito Dictionary of astronomy, letter A Literally, "aerial stone". An aerolith is a celestial body of a stony nature that penetrates the atmosphere and is recovered on the earth's surface. Aerolytes are pieces of disintegrated comets. Comet Biela, for example, disintegrated in its last step near Earth, and suddenly a true cloud of millions of aeroliths or "shooting stars" appeared, which dizzily crossed the sky for many hours.
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Astronomy Glossary: ​​J

Astronomy Glossary: ​​J Considering the Earth as the only inhabited world of infinite space is as absurd as affirming that on a large plain only a wheat spike grows. Chios Metrodorus ABCDEFGHIJKLMNOPQRSTUVWXYZ Custom Search
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Agglutinate (astronomy)

Agglutinate (astronomy) Dictionary of astronomy, letter A In astronomy the word agglutinate refers to the union of several small bodies to form larger bodies. For example, the Earth was formed by agglutination or agglomeration of planetesimals, these in turn by agglutination of rocks of ice and stones and these by agglutination of dust.
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Achromatic (lens)

Achromatic (lens) Astronomy dictionary, letter A In an achromatic lens the phenomenon of chromatic aberration has been corrected. Achromatic means lacking color. As the refractive index varies with the wavelength, the focal length of a lens also varies, and produces axial or longitudinal 'chromatic aberration'.
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Load coupling

Charging coupling Astronomy dictionary, letter A Charging coupling is called a device that allows obtaining an electronic image of an astronomical element, enlarged hundreds of times with respect to optics. In one of its classic applications it is constituted by an integrated circuit board that is placed in the focal plane of a telescope.
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Space agency

Space agency Astronomy dictionary, letter A In the last years of the 50s, in order to coordinate the space programs and the activity of the various research centers dedicated to the exploration of space, both national and international organizations emerged. which, generically, is given the name of space agencies.
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Black hole

Black Hole Astronomy Dictionary, letter A A black hole is an object whose gravity is so great that the escape velocity is greater than the speed of light. The light that tries to escape from a black hole falls back on its surface just like a stone thrown into the air. Therefore, a black hole is invisible from the outside.
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Earth Albedo

Albedo de la Tierra Dictionary of astronomy, letter A The albedo of the earth is known as the relationship between the luminous flux emitted by the surface of our planet and that which comes from the sun. This fraction of light varies with latitude and with the nature of the soil. Water reflects 10% of sunlight, vegetation 15% to 20%, sea ice 50% to 60%, recent snow 80% to 90%.
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Alpha Centaur

Alfa Centauro Dictionary of astronomy, letter A Alfa Centauro is the brightest star in the constellation of the Centaur and the most shining of the entire celestial vault after Sirius and Canopo. However, it is not visible from European latitudes because it shines in the southern sky. Observed with a telescope, what at first glance looks like a single star is revealed as a system formed by three suns that rotate around a common Center of gravity.
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Alpha (particles)

Alpha (particles) Dictionary of astronomy, letter A Alpha particles are nuclear particles that have a positive charge formed by a Helium nucleus, that is, two protons and two neutrons. Alpha particles are formed during nuclear processes that take place inside the stars.
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Solar activity

Solar activity Astronomy dictionary, letter A Solar activity is usually called the phenomenon characterized by the presence of spots, bulges, glare and significant emissions in radio frequencies and X-rays in the Sun. Sunspots are yellow, although they would normally be dark spots.
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