General Discussion
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(149,523 posts)JHB
(37,154 posts)longship
(40,416 posts)It is the best of the Symphony of Science. The passion is wonderful.
longship
(40,416 posts)SusanCalvin
(6,592 posts)SoLeftIAmRight
(4,883 posts)We are Star Dust
ornotna
(10,795 posts)Heeeeers Johnny
(423 posts)[img][/img]
SusanCalvin
(6,592 posts)postulater
(5,075 posts)Or Robert Hunter:
Wake up to find out
that you are the eyes of the World
but the heart has its beaches
its homeland and thoughts of its own
Wake now, discover that you
are the song that the morning brings
but the heart has its seasons
its evenings and songs of its own.
Warren DeMontague
(80,708 posts)they're the only ones that do it"
longship
(40,416 posts)I always loved Spanky and Our Gang's rendition of this iconic song. Not sure why, but it just seems right.
on edit: this one doesn't cut off the ending.
valerief
(53,235 posts)Ford_Prefect
(7,870 posts)Cassiopeia
(2,603 posts)I have a post coming this weekend for an unusual meteor shower Monday morning. Its a big shower that can rival the Persieds in volume, but lasts for just a few hours. This year we get a good chance at catching it.
elleng
(130,732 posts)Good! Sunny Sunday, mostly sunny Monday, partly cloudy Tuesday.
Cassiopeia
(2,603 posts)I think. Lol
I just read about this one last night and only gave it 5 minutes. I know that this shower works a lot like lunar eclipses. You either get a great show or nothing.
elleng
(130,732 posts)IF it's in the east/southeast, it's over my pillow, and as I'm a night-owl and camera is always beside me, I'm able to look for it.
Jack Rabbit
(45,984 posts)[center
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AzDar
(14,023 posts)Stardust
(3,894 posts)Warren DeMontague
(80,708 posts)We are billion year old carbon.
Hekate
(90,556 posts)That's lovely.
pampango
(24,692 posts)There are so many ways to divide up 'stardusts' so that enough of us fear each other.
Omaha Steve
(99,494 posts)OS
malaise
(268,694 posts)and as we mourn Natalie Cole, here's her dad
Happy New Year!!
Photographer
(1,142 posts)johnp3907
(3,730 posts)Octafish
(55,745 posts)We really are, elleng. Amazing place, our universe.
Our Solar System Mirrors the Chemical Makeup of the Universe
JAXA, Oct. 23, 2015
The Suzaku satellite has opened a brand new window on the Universe and shown us that wherever you look, over vast scales, the mix of chemical elements is essentially the same" said Steven Allen, Professor of Physics at Stanford University and co-author of the study. "It's a beautifully simple result, and another step in understanding how the Universe around us came to be.
All of the chemical elements that are heavier than carbon, the oxygen we breathe, the silicon that makes up the sand on the beach, were produced inside stars through nuclear fusion and released by stellar explosions called supernovae. By measuring the chemical composition of the Universe, scientists are trying to reconstruct the history of how, when, and where each of the chemical elements so necessary for the evolution of life were produced.
SNIP...
JAXAs Suzaku X-ray satellite dedicated a great amount of observing time, collecting data over many weeks, to address this problem. The first such deep observations, targeting the brightest system, the Perseus Cluster (shown at top of the page), allowed remarkably detailed measurements of the iron abundance in the intra-cluster medium on large scales. However, information about chemical elements predominantly produced by core collapse supernovae was still missing.
For such measurements, observations of a galaxy cluster with a lower average temperature were needed, in order for the emission from lighter elements to be comparatively stronger than in the Perseus Cluster. Suzaku therefore spent about two weeks looking at the Virgo Cluster, the nearest and second brightest cluster in the X-ray sky, which has such a suitably low temperature. With this new data set, Simionescu and her colleagues at JAXA and Stanford University succeeded to detect not only iron but for the first time also magnesium, silicon and sulphur all the way to the edge of this galaxy cluster. Their results are reported in a study published recently in the Astrophysical Journal.
What we found was that the ratios between the abundances of iron, silicon, sulphur, and magnesium, are constant throughout the entire volume of the Virgo Cluster, and indeed roughly consistent with the composition of our own Sun and most of the stars in our Galaxy, explains Dr. Norbert Werner from Stanford University, a co-author of the article. Galaxy clusters cover such a large volume that the content of each such object is believed to be representative for the rest of the Universe as well. The new Suzaku finding means that the chemical elements in the cosmos are very well mixed, with a chemical composition that remains the same from scales of the solar radius (hundreds of thousands of kilometers) to the size of a cluster of galaxies (several million light years).
Although there may still be a few special places in the Universe that retain a different chemical make-up, on average, the bulk of the Universe has a very similar composition to our local neighbourhood the same raw soup of elements that is necessary for life like ours is found, wherever you look.
The Daily Galaxy via JAXA
SOURCE: http://www.dailygalaxy.com/my_weblog/2015/10/our-solar-system-mirrors-the-chemical-makeup-of-the-universe.html
elleng
(130,732 posts)I was quoting Neil DeG Tyson, who explained it 'from the beginning!' (Interview on Charlie Rose show.)