(Phys.org) —In our solar system, dust particles are abundant, created by asteroid collisions and by the evaporation of comets. These particles are the source of the zodiacal light, a diffuse glow in the night sky that extends ...
Space Exploration
Sep 9, 2013
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In a new state-of-the-art lab at SLAC National Accelerator Laboratory, components of ribosomes – tiny biological machines that make new proteins and play a vital role in gene expression and antibiotic treatments – form ...
Biochemistry
Aug 29, 2013
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(Phys.org) —On its way towards the Sun comet Churyumov-Gerasimenko, next year's destination of ESA's spacecraft Rosetta, will start emitting gas and dust earlier than previously expected. The comet's activity should be ...
Space Exploration
Aug 20, 2013
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Globules of fat in homogenised milk, dust particles in the early solar system and small magnetic domains in ferromagnets are all examples of small parts coming together to form one whole, like "birds of a feather"; or, in ...
General Physics
Aug 8, 2013
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Just before NASA's MESSENGER spacecraft began sending back stunning pictures of the Earth and the moon from its orbit around Mercury earlier this summer, two University of Alberta scientists were using NASA data to look back ...
Space Exploration
Aug 5, 2013
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Planets and asteroids, red giants and brown dwarfs - there are all kinds of objects in our Universe. Debris disks are among them. These are belts consisting of countless dust particles and planetesimals, circling around one ...
Astronomy
Jul 8, 2013
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(Phys.org) —Space agencies around the world have plans to continue the exploration of the Moon in the next two decades, with ever more sophisticated robots paving the way for astronauts to walk on the lunar surface once ...
Space Exploration
Jul 3, 2013
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(Phys.org) —Reports given by experts in the space-health field suggest it might take longer for humans to build a colony on Mars than has been expected. Such experts speaking to attendees at the recent "Humans 2 Mars Summit" ...
(Phys.org) —A new study from Germany has studied the tiny dust particles within clouds and their influence on the climate. The influence of dust particles on cloud formation and on the chemical reactions within clouds has ...
(Phys.org) —The NASA Hubble Space Telescope has given astronomers their clearest view yet of Comet ISON, a newly-discovered sun grazer comet that may light up the sky later this year, or come so close to the Sun that it ...
Space Exploration
Apr 23, 2013
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