Asteroids and comets shower Mars with organics

Asteroids and comets appear to be a much more important supplier of organic molecules on Mars than expected. Until now, astronomers assumed that the organics on Mars mainly came from dust particles from space. Now, computer ...

How comet dust reveals the history of the solar system

We are not used to considering dust as a valuable material – unless it comes from space. And more precisely, from the comet 67P/Churyumov-Gerasimenko. An analysis of its dust has provided valuable information about this ...

Cosmic dust demystified

The solar system is a dusty environment, with trillions of cosmic dust particles left behind by comets and asteroids that orbit the sun. All this dust forms a relatively dense cloud through which the Earth travels, sweeping ...

Microscopic messengers from the depths of space

(Phys.org)—In 1990, an important space probe was launched, tasked with the ambitious mission of orbiting the sun and scanning our star at all latitudes. However, the much-publicized mission was not solar research but the ...

Dust particles from afar

When in 1990 the solar probe Ulysses embarked on its 19-year-long exploration tour, the participating researchers turned their attention not only to our Sun, but also to significantly smaller research objects: interstellar ...

Study shows Moon engulfed in permanent, lopsided dust cloud

The moon is engulfed in a permanent but lopsided dust cloud that increases in density when annual events like the Geminids spew shooting stars, according to a new study led by University of Colorado Boulder.

Cosmic puzzle settled: Comets give us shooting stars

Suspicions that shooting stars come from comet dust, transformed into fiery streaks as they hit Earth's atmosphere, have been bolstered by Europe's Rosetta space mission, scientists reported Monday.

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