News Home, where you will find the "Current Top Stories"The Communication Center contains current news briefs from major Universities, NASA, ESA, and the top three Aviation Mfg.Science section contains all the latest knowledge in Medical Research, Archeology, Biology, and other General Science NewsCurrent Earth Science and Environmental discoveries.The E.A.R., Environmental Awareness Report. E.A.R. will keep you advised of Environmental Alerts, Government, University, and public projects. All the current space discoveries from Hubble, Spitzer, Chandra X-Ray, ESO, Gemini, Subaru, ESA, NASA, and many more. The latest in space theories from leading astronomers and scientist from around the world.The Space Weather Forecast Center by Scientific Frontline, Current up-to-date space weather, forecasts, alerts and warnings. Images from SOHO, GOES, and STEREO. Plus solar observations from Erika RixCurrent space missions newsThe Cassini Main Page. Containing all the latest news from the Cassini Spacecraft around Saturn. Leading into Cassini status reports, The Cassini Gallery of all the latest images from Cassini. Seeing Saturn and all her moons like never before.Daily Sky maps, Celestial Events Calendar.Observatories Gallery, Images from the Great Observatories on Earth and Above. The Stellar Nights  Gallery, An amateur astronomical collection from John Crilly, Richard Handy, Erika Rix, and Paul RixCloudy Nights Telescope Reviews / An Atronomical Community.The latest in Computer, Nanotechnology, and General Technological advancements.The latest in Aviation achievements in civil, military, and space aviationGlobal News Videos, a different kind of news covarage that often overlooked.The news archive from Scientific Frontline's past articles. A world of knowledge at your fingertips.Abstracts, Journals, and Technical papers maintained by Scientific Frontline. The Gateway to all the galleries in the Scientific Frontline collectionSea Shepherd Org. Help save the whales!Research Department | Staff and Researchers OnlySite Related links from major universities, government and private research labs.Assorted Downloads related to space, science, aviation, including screensavers and ASTROMONY SOFTWARE, and other endorsed programs.Scientific Frontline Forum | HypercubeThe foundation of an online publication by SFL ORG. News Network called Scientific FrontlineContact page to Scientific Frontline / SFL ORG. News NetworkDisclaimer / Legal Notice for use of the SFL ORG. News Network's publication Scientific Frontline
Previous Photo Next Photo
Cassini Gallery 2007
Cassini Gallery 2010
Cassini Gallery 2011
Cassini Gallery 2006
Cassini Gallery 2008
Cassini Gallery 2012
Cassini Gallery 2009

Bubble of Our Sun's Influence
Nov. 19, 2009

Bubble of Our Sun's Influence
Nov. 19, 2009
Title : Bubble of Our Sun's Influence
Description :

New data from NASA's Cassini spacecraft suggest that the shape of our solar system moving through the local Milky Way galaxy looks like a bubble -- or a rat -- traveling through a boa constrictor's belly. The boa's ribs (flame-like curtains on the left side of the illustration) mimic the local interstellar magnetic field, expanding and contracting as the rat passes.

For decades, scientists believed our solar system looked more like a comet as it moved through the interstellar medium.

In this illustration, the multicolored (blue and green) bubble represents the new measurements of the emission of particles known as energetic neutral atoms. The energetic neutral atoms were streaming in from the thick boundary known as the heliosheath. The heliosheath is the region between the heliosphere, the region of our sun's influence, and the interstellar medium, the matter between stars in our galaxy. Areas in red indicate the hottest, most high-pressure regions and purple the coolest, lowest-pressure regions.

The yellow circle is our sun. The two Voyager spacecraft, illustrated with lines showing their path, are currently traveling through the heliosheath. In the heliosheath, the solar wind slows down and heats up as it interacts with the interstellar medium. The image also shows Cassini, which is still inside our solar system, orbiting Saturn. The spacecraft sizes are not to scale.

The dark inner circle represents the volume bounded by the termination shock, formed where supersonic solar wind streaming out from our sun suddenly slows down. The outer circle, known as the heliopause, the outer boundary of the heliosheath, is the place where the interstellar medium and the solar wind are balanced. To the left of this bubble is the curve of the putative bow shock, where the interstellar medium, traveling in the opposite direction against the heliosheath, slows down as it collides with the heliosphere. The bow shock resembles a wave formed in a stream as it flows around a rock.

The Cassini-Huygens mission is a cooperative project of NASA, the European Space Agency and the Italian Space Agency. NASA's Jet Propulsion Laboratory manages the mission for the Science Mission Directorate at NASA Headquarters in Washington. The Cassini orbiter and its two onboard cameras were designed, developed and assembled at JPL. The magnetospheric imaging instrument was designed, built and is operated by an international team led by the Applied Physics Laboratory of the Johns Hopkins University, Laurel, Md.

See Related article:

Date : Nov. 19, 2009

Powered by Gallery v1 RSS

SFL ORG Educational News Network

Copyright Notice
The Images and Video's in the gallery pages may be protected by copyright. You may download one copy for non-commercial personal use to be displayed on your personal computer. Use other then non-commercial requires that you obtain permission if copyrighted from the copyright holder. See disclaimer page for more detail. We will help direct you to the proper source if you are unsure of copyright holder or your usage. Please always state proper source / credit.

Scientific Frontline®, Stellar Nights®, E.A.R.®, and Environmental Awareness Report®”
Are Registered Trademarks of the
Online Publication of the SFL ORG. Educational News Network
Oklahoma City, Oklahoma USA
A Not-for-Profit Educational News Service
© 2005 - 2012 All Rights Reserved

Home | Comm. Center | Space Weather Center | Galleries | About Us | FAQ | Site Map | Contact Us | Privacy Policy | Terms of Service