News tagged with light cycles

Star Tau Boo's baffling magnetic flips

(Phys.org) —The first observations of the complete magnetic cycle of a star other than the Sun are proving a puzzle to astronomers. Tau Boötis, known as Tau Boo (τ Boo), is a yellowish star that is a ...

Jul 04, 2013
4.8 / 5 (13) 3 | with audio podcast

X-ray laser sees photosynthesis in action

Opening a new window on the way plants generate the oxygen we breathe, researchers used an X-ray laser at the Department of Energy's (DOE) SLAC National Accelerator Laboratory to simultaneously look at the ...

Feb 14, 2013
4.5 / 5 (11) 0 | with audio podcast

Living in the galactic danger zone

We know for certain that life exists in the Milky Way galaxy: that life is us. Scientists are continually looking to understand more about how life on our planet came to be and the conditions that must be ...

Sep 23, 2011
4.9 / 5 (8) 12 | with audio podcast

Getting ready for the next big solar storm

(PhysOrg.com) -- In Sept. 1859, on the eve of a below-average1 solar cycle, the sun unleashed one of the most powerful storms in centuries. The underlying flare was so unusual, researchers still aren't sure ...

Jun 22, 2011
4.6 / 5 (8) 14 | with audio podcast