Posts Tagged ‘solar wind’
Solar wind whips up Mercury’s poles
U. MICHIGAN (US) — Sodium and oxygen particles kicked up by a blistering solar wind at Mercury’s poles are the primary components of the planet’s wispy atmosphere, according to data from NASA’s Messenger spacecraft. Continue…
Tuesday, October 4, 2011 10:33 - 8 Comments
Science & Technology - Aug 30, 2011 11:21 - 1 Comment
40 years later, solar wind problem solved
U. WARWICK (UK) — Physicists have explained the unusual observations of turbulence in solar wind made by the probe Mariner 5 in 1971. (more…)
Earth & Environment - Mar 9, 2010 11:09 - 0 Comments
Sun pummeled Earth’s wimpy magnetic field
U. ROCHESTER (US)—The Earth’s magnetic field 3.5 billion years ago was only half as strong as it is today, new research shows. The weakness—coupled with a strong solar wind—likely allowed particles from the young Sun to strip water from early Earth’s atmosphere. (more…)
Science & Technology - Mar 5, 2010 11:14 - 2 Comments
Hey, Sun, this is your song
U. MICHIGAN (US)—Scientists know what solar winds look like. Now researchers have come up with a musical interpretation of what the winds might sound like, too. (more…)
Science & Technology - Oct 27, 2009 10:37 - 2 Comments
Cosmic ‘weather’ at edge of solar system
U. CHICAGO (US)—Scientists have published the first comprehensive sky maps revealing a surprising ribbon of energetic neutral atoms at the outer edge of the solar wind bubble surrounding the solar system. (more…)
Science & Technology - Oct 20, 2009 11:00 - 0 Comments
Cassini reshapes view of solar system
JOHNS HOPKINS (US)—It turns out that the solar system may look more like a basketball than a comet. Images from one of the sensors on NASA’s Cassini spacecraft suggest that the heliosphere—the region of our sun’s influence—may not have the comet-like shape predicted by existing models. (more…)
