(cintura di Kuiper)
fascia di Kuiper
a region beyond Neptune in the solar system containing icy objects like dwarf planets, asteroids, and comets
Informazioni Grammaticali:
(quasaro)
quasar
a highly energetic celestial object emitting powerful radiation from the center of a galaxy, often associated with a supermassive black hole
(cloud di Oort)
nube di Oort
a distant, hypothetical region surrounding the solar system, thought to harbor icy bodies and comets
Informazioni Grammaticali:
corona
the outer layer of the Sun's atmosphere, observable as a plasma halo during a solar eclipse
(eclittico)
eclittica
the apparent path that the Sun traces in the sky over the course of a year, which is also the plane of the Earth's orbit around the Sun
(parallasse stellare)
parallasse
the apparent displacement or difference in the apparent position of an object when viewed along two different lines of sight, often used in astronomy to measure the distance of nearby stars
(pulsar (neutron star))
pulsar
a highly magnetized, rotating neutron star that emits beams of electromagnetic radiation from its magnetic poles
(unità di misura astronomica)
unità astronomica
a unit of measurement equal to the average distance between the Earth and the Sun, approximately 149.6 million kilometers
Informazioni Grammaticali:
(parsa)
parsec
a unit of astronomical distance equivalent to about 3.26 light-years
(raggi cosmici)
raggio cosmico
a high-energy particle, mainly originating from outside the Solar System, that travels through space at nearly the speed of light
Informazioni Grammaticali:
(radiazione cosmica di fondo)
sfondo cosmico a microonde
(cosmology) the faint glow of radiation spreading through the universe, believed to be residual radiation from the Big Bang
Informazioni Grammaticali:
(teoria nebulare)
ipotesi nebulare
(cosmology) a theory proposing that the solar system formed from a rotating nebula of gas and dust about 4.6 billion years ago
Informazioni Grammaticali:
(costante hubbliana)
costante di Hubble
(cosmology) a measure of the rate at which the universe is expanding, determined from the observation of distant galaxies' recession velocities
Informazioni Grammaticali:
(materia interstellare)
mezzo interstellare
the matter and radiation that exists in the space between stars within a galaxy
Informazioni Grammaticali:
(sfera heliosferica)
eliosfera
the space surrounding the Sun dominated by solar wind
polvere cosmica
very small particles originally derived from stars, serving as raw material for forming planets, and existing between galaxies, stars, and other celestial bodies
Informazioni Grammaticali:
meteoroide
a small celestial body that becomes visible as a meteor upon entrance into the atmosphere of the earth
(espansione rapida)
inflazione
(cosmology) the rapid expansion of the universe following the Big Bang
tempesta magnetica
a disruption in earth's magnetic field caused by solar activity, resulting in variations that can impact electronic systems and communications on earth
Informazioni Grammaticali:
aurora australis
the colored lights, mainly green and red, in the sky seen primarily near the southern magnetic pole
Informazioni Grammaticali:
aurora boreale
the colored lights, mainly green and red, in the sky seen primarily near the northern magnetic pole
Informazioni Grammaticali:
(cosmogoniale)
cosmogonico
associated with the phenomena, processes, or theories related to the origin and formation of the universe or celestial bodies
(astrofisica extragalattica)
astronomia extragalattica
study of celestial objects outside the Milky Way galaxy
Informazioni Grammaticali:
(nebuloso)
nebulare
relating to or resembling a nebula, which is a cloud of gas and dust in outer space
(stellare)
sidereo
relating to the stars or constellations, especially in terms of their positions relative to Earth
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