Young stars ejecting plasma could give us clues into the Sun’s past Kyoto, Japan — Down here on Earth we don’t usually notice, but the Sun is frequently ejecting huge masses of plasma into space. These are called coronal mass ejections (CMEs). They often occur together with sudden brightenings called flares, and sometimes extend far enough to disturb Earth’s magnetosphere, generating space weather phenomena including auroras or geomagnetic storms, and even damaging power grids on occasion. Scientists believe that when…
The Sun connects with all the planets via the solar wind, a flow of electrically charged particles that constantly 'blows' off the Sun and creates 'space…
In keeping with the first and second south polar passes (in 1994 and 2000), the latest high-latitude excursion of the joint ESA-NASA Ulysses mission has…
That's the conclusion of Brad Sherrill, professor of physics at Michigan State University, who says that the relatively new ability to create novel forms of…
These waves can be configured to add or subtract, or interfere, with one another in an interferometer-an instrument that is used on airplanes to measure very…
As NASA develops its next “flagship” mission to the outer solar system, Jupiter's enigmatic moon Europa should be the target, says Arizona State University…
Thanks to the European Space Agency's XMM-Newton X-ray observatory, with help from NASA's Chandra X-ray Observatory, an international team led by Dr Yaël Nazé…
The main scientific objective of THEMIS (Time History of Events and Macroscale Interactions during Substorms) is to find what triggers magnetic substorms. This…
Included in the image is new coverage of the crater H2O which was considered by the Beagle 2 team as unique in the area that had been searched for evidence of…
At the end of the commissioning phase of ESA’s ERS-1 satellite in early 1992, the space agency began disseminating oceanographic data of the satellite’s…
The new color images from the HiRISE camera aboard NASA's Mars Reconnaissance Orbiter show an equatorial landscape of hills composed of dozens of alternating…
Pound for pound, carbon nanotubes are stronger and lighter than steel, but unlike other materials, the miniscule cylinders of carbon – which are no wider than…
The quantum Hall effect was previously believed to only be observable at temperatures close to absolute zero (equal to minus 459 degrees). But when scientists…
The cryocoooler could be used to chill instruments for space and military applications, and is a significant step toward even smaller, higher-frequency…
Some astronomical and geological studies suggest there might have been very small changes in the values of fundamental constants over billions of years,…
The object, known as an evaporating gas globule, or EGG, has the same mass as the sun and appears to be evolving in a violent environment much like the one…
In 2004, Penn state physicists — Eunseong Kim, then-graduate student and Moses Chan, the Evan Pugh professor of physics– announced the observance of…
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