Definition of cosmic dust in English:

cosmic dust

noun

  • [mass noun] Small particles of matter distributed throughout space:

    ‘glowing clouds of dense cosmic dust’
    • ‘The cosmic dust detector recorded two micrometeoroid showers in September and December.’
    • ‘The cosmic dust analyzer provides direct observations of small ice or dust particles in the Saturn system in order to investigate their physical, chemical and dynamical properties.’
    • ‘However, using Ulysses, they have now shown that, when the Sun's magnetic axis points near its equator, it allows much more cosmic dust to enter the Solar System than normal.’
    • ‘Molecules lucky enough to inhabit uneventful or shielded neighborhoods may endure long enough to be incorporated into grains of cosmic dust, and ultimately into asteroids, comets, planets, and people.’
    • ‘Asteroids ocassionally collide with each other, raising cosmic dust.’
    • ‘Ask me sometime how they keep it from hazing with normal cosmic dust and micrometeorites.’
    • ‘The game takes place in yet another post-apocalyptic setting, where humans have been driven underground by this mysterious cosmic dust that has settled on everything.’
    • ‘We are told that the earth formed by accretion of cosmic dust billions of years ago.’
    • ‘Though the galaxies were as bright as 10 trillion suns, their great distance and a cloak of cosmic dust had hidden them from all but Spitzer's finely tuned infrared apparatus.’
    • ‘About a billion years after the Big Bang, the expanding cosmic dust started to condense or clump into what would become galaxies, stars, and planets.’
    • ‘There are many other potential sources of natural resources in the solar system, including cosmic dust, solar wind, and the atmospheres of gas giant planets.’
    • ‘What about the clouds of cosmic dust around destroyed stars?’
    • ‘Every shooting star is a tiny particle of interplanetary debris moving so fast that it burns up in the air and descends to Earth as harmless cosmic dust.’
    • ‘Some astronomers worry that supernovas were intrinsically different in the past or that cosmic dust could make the supernovas appear dimmer than they really are.’
    • ‘Cassini also carries tools to study cosmic dust around Saturn, as well as the planet's auroras and its odd magnetic field.’
    • ‘It is beyond question that whatever is built there will be standing on a platform of bodies, albeit in cosmic dust form.’
    • ‘Comets are often described as ‘dirty snowballs’ because they are primarily composed of frozen gas and cosmic dust.’
    • ‘Each square pulses with a unique rhythm and frontal pressure, as glittering bits of shell float through the tessellated space like cosmic dust, dissolving the flat plane into atmosphere.’
    • ‘By examining different wavelenghts of light filtered through cosmic dust, astronomers can infer all kinds of things about far-away star systems.’

Pronunciation:

cosmic dust

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