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Originally posted by BlackProjects
news.yahoo.com...
>>An international team of scientists presented new findings from IBEX, which included the first detection of alien particles of hydrogen, oxygen and neon, in addition to the confirmation of previously detected helium
We have heard scientests say "find water find life" now it appears oxygen might be another key. It is interesting that NASA in general seems to be releasing more information related to the search of extraterrestrial life. Other earthlike planets, radio signals ect. Maybe just a way to keep interest and keep budgets up.
"Measuring the pressure on our heliosphere from the material in the galaxy and from the magnetic fields out there will help determine the size and shape of our solar system as it travels through the galaxy," Eric Christian, IBEX mission scientist at NASA's Goddard Space Flight Center in Greenbelt, Md., said in a statement.
Originally posted by BlackProjects
We have heard scientests say "find water find life" now it appears oxygen might be another key.
I think you're right about the term "alien".
Originally posted by Xcathdra
reply to post by amongus
I could be wrong but I think the term "alien" in this case is along the same lines of "alien" that we in the US apply to people who illegally sneak into our country.
I am curious though if they are detecting anything new... Which brings me to my next question...
How the heck does science figure out they are seeing something new? How do they create something that can detect the unknown and classify it.
So my limited understanding is, they are detecting neutral atoms which are deflected by the sun's gravitational field, as our solar system passes through space.
Our entire heliosphere, which contains our Sun, the planets, and everything else in our Solar System, is moving through the interstellar medium. Because of this motion, a sort–of "breeze" of interstellar material moves toward our heliosphere’s boundary. The interstellar neutral atoms are just that – "neutral" – meaning they do not interact with magnetic fields. ISNs move through the boundary of our heliosphere without the boundary affecting them.
As the atoms approach the region containing the Sun and the planets, the breeze of ISNs is deflected by the Sun’s gravity into a curved path. Different atoms are deflected in different amounts based on their masses, and these deflections can be calculated. Based on these calculations, the IBEX team knows when to look for them as the IBEX spacecraft passes through these deflection regions in Earth’s orbit.
Originally posted by smithjustinb
No offense to the OP, but why is this important? I thought we already knew of the existence of these particles beyond our solar system.
Originally posted by Xcathdra
Originally posted by smithjustinb
No offense to the OP, but why is this important? I thought we already knew of the existence of these particles beyond our solar system.
Because until now it was theorized.
Maybe just a way to keep interest and keep budgets up.