Could there be a form of life inside stars?
Are we alone in the universe?
Astronomy
Sep 11, 2020
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News tagged with terrestrial magnetism
Why doesn't Venus have a magnetosphere?
For many reasons, Venus is sometimes referred to as "Earth's twin" (or "sister planet," depending on who you ask). Like Earth, it is terrestrial (i.e. rocky) in nature, composed of silicate minerals and metals that are differentiated ...
Space Exploration
Dec 11, 2017
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NASA spacecraft capture an Earth directed coronal mass ejection
On August 20, 2013 at 4:24 am EDT, the sun erupted with an Earth-directed coronal mass ejection or CME, a solar phenomenon which can send billions of tons of particles into space that can reach Earth one to three days later. ...
Space Exploration
Aug 20, 2013
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Hidden Territory on Mercury Revealed
The MESSENGER spacecraft's third flyby of the planet Mercury has given scientists, for the first time, an almost complete view of the planet's surface and revealed some dramatic changes in Mercury's comet-like tail.
Space Exploration
Nov 4, 2009
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Silver tells a volatile story of Earth's origin: Water was present during its birth
Tiny variations in the isotopic composition of silver in meteorites and Earth rocks are helping scientists put together a timetable of how our planet was assembled beginning 4.568 billion years ago. The new study, published ...
Earth Sciences
May 13, 2010
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After 17 years, NASA's STEREO-A spacecraft makes its first Earth flyby
On August 12, 2023, NASA's STEREO-A spacecraft passes between the sun and Earth, marking the first Earth flyby of the nearly 17-year-old mission. The visit home brings a special chance for the spacecraft to collaborate with ...
Space Exploration
Aug 11, 2023
2
515
Messenger orbital data confirm theories, reveal surprises
On March 18, 2011, the MESSENGER spacecraft entered orbit around Mercury to become that planet's first orbiter. The spacecraft's instruments are making a complete reconnaissance of the planet's geochemistry, geophysics, geologic ...
Space Exploration
Jun 16, 2011
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Hawaiian hot spot has deep roots
(PhysOrg.com) -- Hawaii may be paradise for vacationers, but for geologists it has long been a puzzle. Plate tectonic theory readily explains the existence of volcanoes at boundaries where plates split apart or collide, but ...
Earth Sciences
Dec 3, 2009
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Accretion theory suggests gas giants might start out as steamy worlds
(Phys.org)—John Chambers, a planetary scientist with the Department of Terrestrial Magnetism at Carnegie Institution has suggested a new theory regarding the formation of gas giant planets. In his paper uploaded to the ...
New revelations about Mercury's volcanism, magnetic substorms, exosphere from MESSENGER (w/ Video)
(PhysOrg.com) -- Analysis of data from MESSENGER's third and final flyby of Mercury in September 2009 has revealed evidence of younger volcanism on the innermost planet than previously recognized, new information about magnetic ...
Space Exploration
Jul 15, 2010
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