Tag Archive for 'Magnetic field'

This image combines an image taken with the NASA/ESA Hubble Space Telescope in the optical and observations of the Jovian aurora in the ultraviolet. Image credit: NASA / ESA.

Jupiter’s Northern and Southern X-Ray Auroras Pulse Independently

Oct 31, 2017 by News Staff

High-energy X-ray emissions at Jupiter’s south pole consistently pulse every 11 minutes; meanwhile those at the gas giant’s north pole are erratic:...

Artist’s conception of the complex magnetic field environment at Mars. Yellow lines represent magnetic field lines from the Sun carried by the solar wind, blue lines represent Martian surface magnetic fields, white sparks are reconnection activity, and red lines are reconnected magnetic fields that link the surface to space via the Martian magnetotail. Image credit: Anil Rao / University of Colorado / MAVEN / NASA’s Goddard Space Flight Center.

Mars Has a Twisted Magnetotail, NASA Research Reveals

Oct 20, 2017 by News Staff

According to new research using data from NASA’s Mars Atmosphere and Volatile Evolution Mission (MAVEN) spacecraft, the Red Planet has an invisible magnetic...

Astronomers Measure Magnetic Field of Far-Off Galaxy

Aug 30, 2017 by News Staff

An international team of astronomers has measured the magnetic field of a star-forming galaxy nearly 4.6 billion light-years away. An image obtained using...

NASA’s Solar Dynamics Observatory captured an X-class solar flare erupting on the Sun on December 19, 2014. This image blends two wavelengths of extreme UV light, 171 (gold) and 131 (purple). Image credit: NASA / SDO / Duberstein.

Sun is Solar-Type Star After All

Jul 16, 2017 by News Staff

A study led by University of Montreal researchers has confirmed that our Sun is indeed a solar-type star. Published in the journal Science, the findings...

Georgia Tech researchers propose that a ‘switch-like’ magnetosphere exists at Uranus in both equinox and solstice seasons, where the planetary rotation drives the interchange between an open magnetosphere and a closed magnetosphere each Uranus day. Image credit: NASA / JPL-Caltech.

Uranus Has ‘Switch-Like’ Magnetosphere

Jun 27, 2017 by News Staff

A new study published in the Journal of Geophysical Research: Space Physics suggests that the magnetosphere of the ice giant Uranus gets flipped on and...

Artist’s impression of the Jovian aurora. Image credit: JAXA.

NASA’s Juno Mission Delivers Preliminary Science Results

May 26, 2017 by News Staff

NASA’s Juno mission is rewriting what planetary researchers thought they knew about Jupiter, the largest and most massive planet in our Solar System:...

Ancient Moon generated a dynamo magnetic field in its liquid metallic core; this dynamo may have been driven by crystallization of the core. Image credit: Hernan Canellas / Benjamin Weiss / MIT.

Crystallization of Ancient Moon’s Core May Have Driven Its Now-Defunct Magnetic Field

Apr 14, 2017 by News Staff

Crystallization of Moon’s liquid metallic core may have driven its now-lost magnetic field approximately 3 billion years ago, according to new research...

Bhattacharya et al have discovered a way to confine the behavior of electrons by using extremely high magnetic fields. Image credit: Argonne National Laboratory.

Researchers: Electrons ‘Puddle’ under High Magnetic Fields

Jan 5, 2017 by News Staff

A team of materials scientists and physicists from the DOE’s Argonne National Laboratory, the National High Magnetic Field Laboratory and the National...

ESA’s Swarm satellites have led the discovery of a jet stream in the liquid iron part of Earth’s core about 1,870 miles beneath the surface. In addition, Swarm data show that this jet stream is speeding up. Image credit: ESA.

Researchers Discover Jet Stream in Earth’s Molten Iron Core

Dec 20, 2016 by News Staff

A jet stream within the Earth’s core has been discovered by researchers using data from ESA’s Swarm satellite mission. ESA’s Swarm satellites have...

Artificially grown bismuth crystal illustrating the stairstep structure, with a 1 cm3 cube of bismuth metal. Image credit: Heinrich Pniok / CC BY-NC-ND 3.0.

Scientists Observe Superconductivity in Single Crystals of Pure Bismuth

Dec 8, 2016 by News Staff

According to a team of researchers at the Tata Institute of Fundamental Research (TIFR) in Mumbai, India, pure bismuth — a semimetal with a rhombohedral...

Proxima Centauri. Image credit: Hubble / ESA / NASA.

Astronomers Find Evidence for 7-Year Stellar Cycle in Proxima Centauri

Oct 12, 2016 by Natali Anderson

The Sun’s nearest stellar neighbor, Proxima Centauri, has a regular cycle of starspots, according to a team of astronomers from the Harvard-Smithsonian...

$A false-color high-resolution transmission electron microscopy image of the zirconium pentatelluride (ZrTe5) with an inset selected area electron diffraction (SAED) pattern, showing the layer normal along the b axis. Scale bar - 2 nm. Image credit: Yanwen Liu et al.$

Physicists: Massless Electrons Acquire Mass in Presence of Strong Magnetic Field

Aug 31, 2016 by News Staff

For the first time, physicists have discovered that in an extremely high magnetic field ‘massless’ Dirac electrons can acquire a mass. A false-color...

SDO image of the solar corona in UV light (yellow lines represent the magnetic field on the surface of the Sun). Image credit: NASA / SDO / AIA / LMSAL.

NASA Solar Researchers Create Magnetic Map of Sun

Mar 16, 2016 by News Staff

This illustration lays a depiction of the Sun’s magnetic fields over an image obtained by NASA’s Solar Dynamics Observatory (SDO) on March 12. SDO...

The inner core of our planet has an inner core of its own, with crystals aligned in a different direction. Image credit: Lachina Publishing Services.

Earth’s Inner Core ‘Only’ 1 – 1.5 Billion Year Old, New Study Says

Oct 8, 2015 by News Staff

The Earth’s deepest layer – the inner core – was formed between a billion and 1.5 billion years ago as it ‘froze’ from the surrounding molten...

The artist's concept depicts a super-Earth-size planet. Image credit: NASA Ames / JPL-Caltech.

Terrestrial Exoplanets around Low-Mass Stars Probably Have Protective Magnetospheres

Sep 29, 2015 by News Staff

Earth-mass exoplanets orbiting close to low-mass parent stars likely have magnetic fields that protect them from stellar radiation, says a duo of astronomers...

This image shows Epsilon Lupi (center). Image credit: Centre de Données astronomiques de Strasbourg / SIMBAD.

Mysterious Magnetic Field Detected in Binary Star System Epsilon Lupi

Sep 10, 2015 by News Staff

A team of astronomers has detected a so-called ‘fossil’ magnetic field in both components of an early-type binary star system called Epsilon...

The Large and Small Magellanic Clouds and an interstellar filament. Image credit: ESA / Planck Collaboration.

Planck Captures Magellanic Clouds, Interstellar Filament 300 Light-Years Away

Sep 8, 2015 by News Staff

This image portrays the Large and Small Magellanic Clouds – two spectacular, naked-eye companion galaxies to our own Milky Way Galaxy; and a filament...

Upper image: 3D diagram of the magnetic wormhole, showing how the magnetic field lines (red) leaving a magnet on the right pass through the wormhole. Bottom: in terms of magnetism the wormhole is undetectable, which means that the magnetic field seems to disappear on the right only to reappear on the left in the form of a magnetic monopole. Image credit: Jordi Prat-Camps, Autonomous University of Barcelona.

Spanish Scientists Create Magnetic Wormhole

Sep 4, 2015 by News Staff

A team of physicists at the Autonomous University of Barcelona, Spain, has constructed and experimentally demonstrated a magnetic wormhole – an object...

An artist’s depiction of Earth’s magnetic field deflecting high-energy protons from the Sun around 4 billion years ago. Image credit: Michael Osadciw / University of Rochester.

Earth’s Magnetic Field Older than Thought, Says New Study

Jul 31, 2015 by News Staff

American and Canadian scientists have reported in the latest issue of Science that the magnetic field of our planet is at least 4 billion years old, up...

Schematic illustration of Earth's magnetic field. Image credit: Peter Reid / University of Edinburgh.

Earth’s Core Region beneath Southern Africa May Be Trigger for Magnetic Pole Reversals

Jul 29, 2015 by News Staff

A group of scientists – led by Dr John Tarduno from the University of Rochester, NY – has recovered a magnetic field record from minerals for Iron...

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