cometa
an object in space that is a mass of ice and dust and when it nears the sun it starts illuminating in the shape of a tail
meteora
a piece of rock coming from outer space that passes through the Earth's atmosphere, producing light
asteroide
any of the rocky bodies orbiting the sun, ranging greatly in diameter, also found in large numbers between Jupiter and Mars
nebulosa
a glowing cloud of gas and dust in outer space, often the result of a star explosion or formation
Informazioni Grammaticali:
(aurora polare)
aurora boreale
a natural light display in the Earth's polar regions, caused by the collision of charged particles from the sun with atoms in the Earth's atmosphere
costellazione
a specific group of stars that form a pattern and have a name related to their shape
Zodiaco
(astronomy) the celestial zone in the sky where the sun, moon, and planets appear to move, traditionally divided into twelve equal segments, each associated with a distinct name and symbol
extrasolare
a planet that is outside the solar system
(cognome bianco)
nana bianca
a small, dense, and faint stellar remnant that is left after a medium-sized star exhausts the nuclear fuel in its core and undergoes gravitational collapse
(stella neutronica)
stella di neutroni
a highly dense and compact stellar remnant that remains after a massive star undergoes a supernova explosion, consisting almost entirely of neutrons
(galassia spirale)
galassia a spirale
a type of galaxy characterized by a spiral-shaped structure, consisting of a central bulge surrounded by spiral arms that contain stars, gas, and dust
(spettroscopio ottico)
spettroscopio
an optical instrument used for analyzing the spectrum of light, separating it into its individual wavelengths to identify and study the components of the light source
ufo
a mysterious object that some people claim to have seen flying around in the sky and assume that it is a spaceship from another world
Informazioni Grammaticali:
(sonda interplanetaria)
sonda spaziale
an unmanned spacecraft designed to explore outer space, gather scientific data, and transmit it back to Earth
cosmonauta
an astronaut from Russia or the former Soviet Union
(redshift)
spostamento verso il rosso
the shift of light waves towards longer wavelengths, indicating the motion of an object away from the observer, commonly observed in the spectra of distant celestial bodies
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