Sentences with phrase «grains of space dust»

Not exact matches

These saturated organic molecules are formed in interstellar space and are preserved on the surfaces of dust grains.

On the outskirts of our young solar system, such dust grains stuck together with tiny grains of ice — now known to be common throughout space.

But before that — long before — they may have been grown in the thin, icy rind of irradiated dust grains, drifting in space, bathed in the light of newborn stars.

We're used to thinking of the space between the stars as void, bereft of all but the most sparsely distributed atoms and molecules, or the occasional microscopic grain of silicon or carbon dust.

Tiny grains of dust floating in interstellar space have radically altered the history of our galaxy.

Each Perseid meteor is part of a swarm of sand - grain - size bits of space dust that create a white - hot trail of incandescent gas when they crash into Earth's atmosphere, about 50 to 100 miles up.

Vinković's model «shows how dust grains propelled by radiation pressure can travel from the disk's hottest regions to its icy outer edges,» says astronomer Dániel Apai of the Space Telescope Science Institute in Baltimore, Maryland.

Careful analysis of the polarisation results revealed these grains of dust to be comparatively large particles, 0.5 micrometres across, which may seem small, but grains of this size are about 50 times larger than the dust normally found in interstellar space.

The radio astronomers were searching for free - floating gas molecules in space, but nebulas also contain dust, microscopic grains of carbon and silicon.

At the end of their short lives, the first stars ejected these elements into space, where they gave shape to tiny grains of dust.

While other species detected in space are formed by gas - phase chemistry alone, or by a combination of both gas and solid - phase generation, methanol is a complex organic compound which is formed solely in the ice phase via surface reactions on dust grains.

ALMA will also explore in unprecedented detail many stellar nurseries — the vast, cold clouds of gas and cosmic dust grains in interstellar space where new stars are born.

Previous editions of Biennales went under the titles Beyond the borders (1995), Unmapping the Earth (1997), Man + Space (2000), Pause (2002), A Grain of Dust, A Drop of Water (2004), Fever Variations (2006), Annual Report: A year in Exhibitions (2008), 10000 Lives (2010), and ROUNDTABLE (2012).