Immigrant Sun: Our star could be far from where it started in Milky Way

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This image is from a computer simulation showing the development and evolution of the disk of a galaxy such as the Milky Way. Credit: Rok Rokar
This image is from a computer simulation showing the development and evolution of the disk of a galaxy such as the Milky Way. Credit: Rok Roškar
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A long-standing scientific belief holds that stars tend to hang out in the same general part of a galaxy where they originally formed. Some astrophysicists have recently questioned whether that is true, and now new simulations show that, at least in galaxies similar to our own Milky Way, stars such as the sun can migrate great distances.


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All News summaries for September 15, 2008

NASA Invites Students to Name New Mars Rover

Nov 18, 2008 | User rating: not rated yet
(PhysOrg.com) -- NASA is looking for the right stuff, or in this case, the right name for the next Mars rover. NASA, in cooperation with Walt Disney Studios Motion Pictures' movie WALL-E from Pixar Animation ...

Astronaut outside space station loses tool bag

Nov 18, 2008 | User rating: not rated yet
(AP) -- A spacewalking astronaut whose grease gun erupted in a backpack-sized tool bag accidentally let go of the tote outside the international space station Tuesday, and it floated off along with everything ...

Calif. utilities must use 33 percent renewable energy for power generation by 2020

Nov 18, 2008 | User rating: not rated yet
California utilities, already struggling to meet a law requiring more renewable energy, saw the bar raised even higher Monday.

Global warming predictions are overestimated, suggests study on black carbon

Nov 18, 2008 | User rating: not rated yet
(PhysOrg.com) -- A detailed analysis of black carbon -- the residue of burned organic matter -- in computer climate models suggests that those models may be overestimating global warming predictions.

Scientists discover new planet orbiting dangerously close to giant star

Nov 18, 2008 | User rating: not rated yet
A team of astronomers from Penn State and Nicolaus Copernicus University in Poland has discovered a new planet that is closely orbiting a red-giant star, HD 102272, which is much older than our own Sun. The ...
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