Sentences with phrase «small magnetic field at»

But how does this relatively small magnetic field at the galactic center come to encompass the whole galaxy?

Not exact matches

That field, they say, would funnel hydrogen from a red giant toward a small spot at the neutron star's magnetic poles, just as in a normal pulsar.

When small, iron - rich particles are melted and then cooled, they record the presence of any magnetic field that may be present at the time.

Sea turtles can migrate across the ocean and back, but while Earth's magnetic field plays a role in their navigation, researchers have wondered what other tools turtles use to find safe harbor, particularly at smaller scales.

«The SMA's unique capability to measure polarization at high angular resolution allowed access to the magnetic fields at the smallest spatial scales,» said SMA director Ray Blundell (CfA).

«We found that the magnetic field direction is quite well preserved from large to small scales, implying that self - gravity and cloud turbulence are not able to significantly alter the field direction,» said lead author Hua - bai Li (The Chinese University of Hong Kong), who conducted the high - resolution observations while a post-doctoral fellow at the Harvard - Smithsonian Center for Astrophysics (CfA).

«These data recover the well - known solar 5 - minute oscillation at a peak of 3 mHz (5.5 min) from the disk - averaged light with a radial - velocity amplitude of only 47 cm / s, an incredibly small velocity from a stellar point of view», says Prof. Strassmeier, PEPSI principal investigator and director of the Cosmic Magnetic Field branch at the Leibniz Institute for Astrophysics Potsdam (AIP).

«Aurora [s] are very unlikely because (a) it's very unlikely there's a magnetic field to focus the charged particles into a small region of the atmosphere (necessary at other planets) and (b) the tenuous solar wind is likely deflected far [10s of Pluto radii] around Pluto,» Bagenal said in an email.

Using high - intensity lasers at the University of Rochester's OMEGA EP Facility focused on targets smaller than a pencil's eraser, they conducted experiments to create colliding jets of plasma knotted by plasma filaments and self - generated magnetic fields.