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You are browsing the archive for space physics Archives - AGU Blogosphere.

7 February 2020

Surfing space dust bunnies spawn interplanetary magnetic fields

New research finds that fine dust from pulverized space rocks is riding the solar wind past multiple spacecrafts, which are detecting the clouds of fine debris as a temporary changes in the local magnetic field.

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14 January 2020

Final images from Cassini spacecraft

For the last leg of its journey, Cassini was put on a particularly daring orbit passing between Saturn and its rings which brought it closer to Saturn than ever before. This allowed scientists to obtain images of Saturn’s ultraviolet auroras in unprecedented resolution. The new observations are detailed in two new studies published in the AGU journals.

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5 September 2019

Making sense of Saturn’s impossible rotation

Saturn may be doing a little electromagnetic shimmy and twist which has been throwing off attempts by scientists to determine how long it takes for the planet to rotate on its axis, according to a new study.

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27 August 2019

Cluster and XMM-Newton pave the way for SMILE

The Solar wind-Magnetosphere-Ionosphere Link Explorer (SMILE) mission is still four years away from launch, but scientists are already using existing ESA satellites, such as the XMM-Newton X-ray observatory and the Cluster mission studying Earth’s magnetosphere, to pave the way for this pioneering venture.

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20 February 2019

Earth’s atmosphere stretches out to the Moon – and beyond

A recent discovery based on observations by the ESA/NASA Solar and Heliospheric Observatory, SOHO, shows that the gaseous layer that wraps around Earth reaches up to 630,000 km away, or 50 times the diameter of our planet.

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18 December 2017

NASA Solves How a Jupiter Jet Stream Shifts into Reverse

Speeding through the atmosphere high above Jupiter’s equator is an east–west jet stream that reverses course on a schedule almost as predictable as a Tokyo train’s. Now, a NASA-led team has identified which type of wave forces this jet to change direction.

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19 May 2016

Van Allen Probes reveal long-term behavior of Earth’s ring current

New findings based on a year’s worth of observations from NASA’s Van Allen Probes have revealed that the ring current — an electrical current carried by energetic ions that encircles our planet — behaves in a much different way than previously understood.

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19 January 2016

Researchers discover surprising waves in the Antarctic atmosphere

Researchers who have spent thousands of hours observing the atmosphere high above Antarctica have discovered a previously unknown class of wave that ripples constantly through the atmosphere, likely affecting high-level winds, climate, and even Earth-based communications systems.

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