News tagged with rotation rate

Could Venus be shifting gear?

(PhysOrg.com) -- ESA’s Venus Express spacecraft has discovered that our cloud-covered neighbour spins a little slower than previously measured. Peering through the dense atmosphere in the infrared, the ...

Space & Earth / Space Exploration

created Feb 10, 2012 | popularity 5 / 5 (9) | comments 14 | with audio podcast

Cassini data shows Saturn moon may affect planet's magnetosphere

Scientists have been puzzled by periodic bursts of radiation, known as the Saturn kilometric radiation (SKR), that occur in the planet's magnetosphere. These emissions occur at a rate that is close to, but ...

Space & Earth / Space Exploration

created Dec 31, 2011 | popularity not rated yet | comments 0

How much do binary stars shape planetary nebulae?

Planetary nebulae come in a dazzling array of shapes, from spherical shells of gas, to blobby structures barely containing symmetry at all. Controversy has surrounded the cause for this diversity. Could it ...

Space & Earth / Astronomy

created Jun 16, 2011 | popularity 4.5 / 5 (2) | comments 0 | with audio podcast

A tracking device that fits on the head of a pin

(PhysOrg.com) -- Optical gyroscopes, also known as rotation sensors, are widely used as a navigational tool in vehicles from ships to airplanes, measuring the rotation rates of a vehicle on three axes to evaluate ...

Physics / Optics & Photonics

created Oct 05, 2010 | popularity 4.6 / 5 (14) | comments 3 | with audio podcast

XMM-Newton measures speedy spin of rare celestial object

(PhysOrg.com) -- XMM-Newton has caught the fading glow of a tiny celestial object, revealing its rotation rate for the first time. The new information confirms this particular object as one of an extremely ...

Space & Earth / Astronomy

created Jan 13, 2009 | popularity 4.3 / 5 (4) | comments 1