ScienceDaily: Latest Science News |
- Mars tugging on approaching NASA rover Curiosity
- NASA investigates proton radiation effects on cells
- Hubble sees a ten billion year stellar dance
- Signs changing fast for Voyager at solar system edge
| Mars tugging on approaching NASA rover Curiosity Posted: 04 Aug 2012 05:48 PM PDT The gravitational tug of Mars is now pulling NASA's car-size geochemistry laboratory, Curiosity, in for a suspenseful landing in less than 40 hours.  |
| NASA investigates proton radiation effects on cells Posted: 04 Aug 2012 05:39 AM PDT A team of researchers has found radiation from protons could further enhance a process that occurs during tumor progression. This information may help lead to better methods to protect astronauts from the harmful effects of radiation in space, as well as help cancer researchers on Earth better understand the effects of radiation treatment on the human body.  |
| Hubble sees a ten billion year stellar dance Posted: 04 Aug 2012 05:32 AM PDT The NASA/ESA Hubble Space Telescope offers a delightful view of the crowded stellar encampment called Messier 68, a spherical, star-filled region of space known as a globular cluster. Mutual gravitational attraction amongst a cluster's hundreds of thousands or even millions of stars keeps stellar members in check, allowing globular clusters to hang together for many billions of years.  |
| Signs changing fast for Voyager at solar system edge Posted: 04 Aug 2012 05:28 AM PDT Two of three key signs of changes expected to occur at the boundary of interstellar space have changed faster than at any other time in the last seven years, according to new data from NASA's Voyager 1 spacecraft.  |
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