Newly Discovered Unknown Sources of Gamma Rays Found in Center of Milky Way

Using new statistical analysis methods, two research teams independently found that the gamma ray signals are uncharacteristic of those expected from dark matter. One team is based at Princeton University and the Massachusetts Institute of Technology; the second team based from the University of Amsterdam, Netherlands.


Published this week in the journal Physical Review Letters, Mariangela Lisanti, an assistant professor of physics at Princeton said: “Our analysis suggests that what we are seeing is evidence for a new astrophysical source of gamma rays at the center of the galaxy. This is a very complicated region of the sky and there are other astrophysical signals that could be confused with dark matter signals.”


Exactly what these new sources are is unknown, Lisanti said, but one possibility is that they are very old, rapidly rotating stars known as millisecond pulsars. She said it would be possible to explore the source of the gamma rays using other types of sky surveys involving telescopes that detect radio frequencies.

Douglas Finkbeiner, a professor of astronomy and physics at Harvard University who was not directly involved in the current study, said that although the finding complicates the search for dark matter, it leads to other areas of discovery. “Our job as astrophysicists is to characterize what we see in the universe, not get some predetermined, wished-for outcome. Of course it would be great to find dark matter, but just figuring out what is going on and making new discoveries is very exciting.”

new_equation 2012

New Equation:
Increase Charged Particles  Decreased Magnetic Field → Increase Outer Core Convection → Increase of Mantle Plumes → Increase in Earthquake and Volcanoes → Cools Mantle and Outer Core → Return of Outer Core Convection (Mitch Battros – July 2012)

According to Christoph Weniger from the University of Amsterdam and lead author of the Netherlands-based study, the finding is a win-win situation: “Either we find hundreds or thousands of millisecond pulsars in the upcoming decade, shedding light on the history of the Milky Way, or we find nothing. In the latter case, a dark matter explanation for the gamma ray excess will become much more obvious.”



My Daughter “Alexa” is participating in her schools Apex Fun Run which is set up for each individual grade (she is now in 2nd grade) to run at least 36 laps. This is her schools only fundraiser for the year. You can sponsor her by making a one-time single donation of any amount – or you can sponsor her “per lap” she completes. Ex: $1 per lap = $35 or $2 per lap = $70. Any way you choose the school wins.

ApexFunRun-Full Color Logo

Go to the following Apex link, then put in this code: UGVGJOQ It is unique for Alexa Battros. Fill out the form, then select if it is “per lap” or “flat donation”. You can write a personal note to Alexa if you wish, and lastly, you can select “pay now” (usually for flat donation) or “pay later” (usually for per-lap donation). APEX FUN RUN –

Here’s the kicker – a good thing they limit sponsorship to the limit of 36 laps, because my little go getter ran 51 laps her first year and 53 laps her second year. Yes, she is the competitive type. Of course I’d like to say where she got it J – but I would say she has outperformed me at every age.


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