Possible venus twin discovered around dim star

Astronomers using NASA's Kepler space telescope have found a planet 219 light-years away that seems to be a close relative to Venus. This newly discovered world is only slightly larger than Earth, and orbits a low-temperature ...

The 11-year solar cycle continues during prolonged sunspot minima

Streaming into the solar system at nearly the speed of light, galactic cosmic rays (GCRs) are a high-energy mix of protons, electrons, and atomic nuclei. As they pass into reach of the outflowing solar wind, the propagation ...

Degradation free spectrometers sounding rocket

(Phys.org) -- The July 24, 2012 Degradation Free Spectrometers (DFS) sounding rocket mission's ultimate objective is to significantly advance the state of the art in short wavelength observing solar spectrometers to permit ...

SNS, HFIR experiments help refine thin-film solar cells

(PhysOrg.com) -- Solar cells that convert sunlight into electricity could be a widely used renewable energy source. Getting to that point, though, requires breakthroughs in their cost and their efficiency at turning sunbeams ...

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