Stars of Heavy Metal The most lead-rich stars known to science may represent a brief stage in stellar evolution that was theorized but not seen. Small suns, known as HE 2359-2844 (artist’s image) in Sculptor and HE 1256-2738 in Hydra, were among nine identified as being helium-rich in a previous survey of stars. But new analyses show that these two are doubly unusual because they also sport atmospheres with lead concentrations about 10,000 times those seen in the atmosphere of our sun
Closest sun-like star may have planets More than 800 planets have been discovered orbiting other worlds, but planets in orbit the around the nearest Sun-like stars are particularly valuable for research.
It's been more than 30 years since "Star Wars" first exploded into theaters, but the swashbuckling sci-fi films from writer-director George Lucas have behind a legacy no other blockbuster has yet surpassed.
On June 23rd the celestial event known as the Supermoon will happen. The sun, Earth and moon will be in alignment, with the moon hitting its perigee; that means it will be closer to the Earth than normal, making it bigger and brighter.
Searching for the Solar System’s Chemical Recipe Berkeley Lab’s Chemical Dynamics Beamline points to why isotope ratios in interplanetary dust and meteorites differ from Earth’s FEBRUARY 20, 2013 Paul Preuss