It all started around 10 years ago when NASA launched the Fermi Gamma-Ray Space Telescope. This wasn’t your standard “point-and-shoot” telescope. It’s much more an advanced piece of equipment that literally opened a huge window on the Universe. So, when you observe the sky through this telescope rather than with your own eyes, you’d be looking at a totally different picture! When the astronomers started getting data back from the Fermi telescope, they noticed that the center of our galaxy was emitting a lot more gamma radiation than its outskirts. To put it simply, something is glowing incredibly bright right in the middle of the Milky Way! But the most perplexing thing is that no one has been able to find an exact explanation for this phenomenon for nearly a decade! Other videos you might like:
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What's that mysterious glow? 0:29
Why galaxies don't split apart 2:27
Alternative explanation 4:56
What are pulsars? 5:30
What if a pulsar entered our solar system 6:52
What do other scientists think? 8:35 #milkyway #space #brightside Music by Epidemic Sound https://www.epidemicsound.com/ SUMMARY:
– From the very beginning, some scientists hoped that the mysterious glow was somehow connected to the long-sought-after and enigmatic “dark matter.” – There’s a theory that dark matter works as a sort of glue that keeps things together. Thanks to this sticky stuff, galaxies don't split apart, stars don't collide with one another, and our Earth doesn't stray off its orbit into open space.
– By calling it "dark" matter, scientists aren’t talking about the color. They just mean that this space phenomenon doesn't emit either any radiation or light visible to the human eye. – Some astronomers supposed that the central region of the Milky Way was glowing with such intensity because dark matter was getting destroyed there.
– If the mystifying glow was created by dark matter annihilation, then gamma-ray particles would get distributed in space evenly. But the telescope showed them gathering in clumps. – But there is an alternative explanation of why the Milky Way is glowing. The culprit might be a group of millisecond pulsars, which are neutron stars rotating really really fast.
– Pulsars are the lighthouses of the Universe, although not in the meaning that they save spacecraft from collision! It’s more in the fact that they emit focused beams of radiation that you can only see if you get in their path. – If a pulsar were to enter our solar system one day, it’d be a bad situation to say the least. The spinning invader would wreak havoc and chaos by throwing the planets off their orbits (probably pulling away one or two of them).
– Several studies have concluded that, due to the nature of the light, millisecond pulsars are the best explanation for this phenomenon. – But that doesn’t mean all scientists are convinced. They state that these clumps may be a result of the interaction of gas between stars and cosmic rays. Subscribe to Bright Side : https://goo.gl/rQTJZz —————————————————————————————-
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