News tagged with radial velocities


Exoplanets Clue to Sun's Curious Chemistry

Exoplanets Clue to Sun's Curious Chemistry

Space & Earth / Astronomy

created Nov 11, 2009 | popularity 4.6 / 5 (21) | comments 15

(PhysOrg.com) -- A ground-breaking census of 500 stars, 70 of which are known to host planets, has successfully linked the long-standing "lithium mystery" observed in the Sun to the presence of planetary systems. ...





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Crime scene measurements can be taken from a single image

Crime scene measurements can be taken from a single image

Technology / Computer Sciences

created 22 hours ago | popularity 3 / 5 (1) | comments 0

Two researchers from the University of Salamanca have developed a procedure to enable forensic police to extract metric data from crime scenes using just a single photograph. Their proposal, published this ...


Atomic-level Snapshot Catches Protein Motor in Action (w/ Video)

Atomic-level Snapshot Catches Protein Motor in Action (w/ Video)

Biology / Cell & Microbiology

created Nov 20, 2009 | popularity 4.7 / 5 (3) | comments 1

(PhysOrg.com) -- The atomic-level action of a remarkable class of ring-shaped protein motors has been uncovered by researchers with the Lawrence Berkeley National Laboratory using a state-of-the-art protein ...


Hunting for Planets in the Dark

Hunting for Planets in the Dark

Space & Earth / Astronomy

created Nov 19, 2009 | popularity 4.8 / 5 (5) | comments 5

A proposed space mission that aims to measure dark energy could also detect planets that current surveys are unable to find.


Subaru Telescope Spots Strange Spin

Discovery of a Retrograde or Highly Tilted Extrasolar Planet

Space & Earth / Astronomy

created Nov 18, 2009 | popularity 4.8 / 5 (6) | comments 1

Astronomers have found that the extrasolar planet HAT-P-7b has a retrograde or highly tilted orbit. Studying such planets is important in understanding the diversity of planetary systems and assessing current ...


Bacterial 'ropes' tie down shifting Southwest

Bacterial 'ropes' tie down shifting Southwest

Biology / Cell & Microbiology

created Nov 17, 2009 | popularity 4.4 / 5 (5) | comments 0

Researchers from Arizona State University have discovered that several species of microbes (cyanobacteria), at least one found prominently in the deserts of the Southwest, have evolved the trait of rope-building ...


Laser accelerated protons to the highest energies so far

Researchers use trident laser to accelerate protons to record energies

Physics / General Physics

created Nov 02, 2009 | popularity 4.8 / 5 (8) | comments 10

An international team of physicists at Los Alamos National Laboratory has succeeded in using intense laser light to accelerate protons to energies never before achieved. Using this technique, scientists can ...



List of search results for radial velocities