News tagged with radial velocities


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Search results for radial velocities


Climate change puts ecosystems on the run, researchers say

Climate change puts ecosystems on the run, researchers say

Space & Earth / Environment

created 18 hours ago | popularity 1.8 / 5 (5) | comments 8

(PhysOrg.com) -- Global warming is causing habitats to move across the landscape. Can the creatures living there keep up? If they can't, some species may die out, researchers say.


New imaging technique reveals different heart motions by age, gender

Medicine & Health / Research

created Dec 08, 2009 | popularity not rated yet | comments 0

Using a new noninvasive imaging technique, scientists said they have discovered important, fundamental differences in heart motion by age and gender.


New planet discoveries suggest low-mass planets are common around nearby stars

New planet discoveries suggest low-mass planets are common around nearby stars (w/ Video)

Space & Earth / Astronomy

created Dec 14, 2009 | popularity 4.8 / 5 (19) | comments 14

(PhysOrg.com) -- An international team of planet hunters has discovered as many as six low-mass planets around two nearby Sun-like stars, including two "super-Earths" with masses 5 and 7.5 times the mass of ...


Scientists map speed of climate change

Space & Earth / Environment

created Dec 23, 2009 | popularity 2.9 / 5 (30) | comments 31

New study finds that the average ecosystem will need to shift about a quarter mile per year to keep pace with global climate change.


Light-Driven Nanorod Could Roll on Water

Light-Driven Nanorod Could Roll on Water

Nanotechnology / Nanophysics

created Dec 18, 2009 | popularity 4 / 5 (9) | comments 1 feature

(PhysOrg.com) -- In a recent study, researchers have examined the possibility of rolling a nanorod on the surface of water. On the macroscale, perhaps the closest analogy might be the sport of logrolling, ...


A New Method of Estimating Stellar Distances

A New Method of Estimating Stellar Distances

Space & Earth / Astronomy

created Dec 21, 2009 | popularity 4.4 / 5 (14) | comments 2

(PhysOrg.com) -- The star Chi Cygni is located about 550 light-years away, in the direction of the constellation of Cygnus the Swan. It is a notable star because, unlike the sun which still burns hydrogen ...


Crime scene measurements can be taken from a single image

Crime scene measurements can be taken from a single image

Technology / Computer Sciences

created Dec 01, 2009 | 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 ...


Close-up photos of dying star show our sun's fate

Close-up photos of dying star show our sun's fate (w/ Video)

Space & Earth / Astronomy

created Dec 15, 2009 | popularity 5 / 5 (21) | comments 5

(PhysOrg.com) -- About 550 light-years from Earth, a star like our Sun is writhing in its death throes. Chi Cygni has swollen in size to become a red giant star so large that it would swallow every planet ...


Astronomers find super-Earth using amateur, off-the-shelf technology

Astronomers Find Super-Earth Using Amateur, Off-the-Shelf Technology (w/ Video)

Space & Earth / Astronomy

created Dec 16, 2009 | popularity 4.9 / 5 (27) | comments 10

(PhysOrg.com) -- Astronomers announced today that they have discovered a "super-Earth" orbiting a red dwarf star 40 light-years from Earth. They found the distant planet with a small fleet of ground-based ...


Life after silicon

Life after silicon: Using exotic materials to help microchips keep improving

Technology / Semiconductors

created Dec 08, 2009 | popularity 4.5 / 5 (8) | comments 1

(PhysOrg.com) -- The huge increases in the power and capacity of computers, cell phones and communications networks in the last 40 years have been the result of ever-shrinking silicon transistors. But silicon ...



List of search results for radial velocities